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Updated Mar 13, 2026
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Organická chémia je vlastne chémia života - štúdium všetkých zlúčenín... Show more








Predstav si, že by neexistovali lieky, plasty, palivá ani potraviny - presne tak by vyzeral svet bez organickej chémie. Organická chémia je vedná disciplína, ktorá študuje všetky zlúčeniny obsahujúce uhlík. Môže sa to zdať ako úzka špecializácia, ale uhlík má takú jedinečnú schopnosť tvoriť väzby, že jeho zlúčeniny tvoria väčšinu všetkých známych chemických látok.
Organické zlúčeniny sú zlúčeniny obsahujúce atómy uhlíka, často viazané na vodík, kyslík, dusík alebo halogény. Na druhej strane máme anorganickú chémiu, ktorá sa zaoberá všetkými ostatnými prvkami a ich zlúčeninami - napríklad soľami, kovmi či minerálmi.
Dôležitá vec: kovalentná väzba je typická väzba v organických zlúčeninách, kde si atómy zdieľajú elektróny. Uhlík dokáže tvoriť štyri takéto väzby naraz!
Zaujímavosť: Historicky sa verilo v vitalizmus - teóriu, že organické zlúčeniny môžu vznikať len v živých organizmoch vďaka mystickej "životnej sile". To sa zmenilo v roku 1828, keď Friedrich Wöhler syntetizoval močovinu z anorganických látok a dokázal, že organiku vieme vyrobiť aj v laboratóriu.

Uhlík je ako stavebnica LEGO chemického sveta - z niekoľkých jednoduchých pravidiel dokáže vytvoriť nekonečnú rozmanitosť štruktúr. Štyri valenčné elektróny mu umožňujú tvoriť štyri stabilné väzby s inými atómami.
Atómy uhlíka sa spájajú do dlhých reťazcov, rozvetvených štruktúr aj kruhov. Môžu tvoriť jednoduché, dvojité i trojité väzby, čo ešte viac zvyšuje rozmanitosť možných molekúl. Vďaka hybridizácii (sp³, sp², sp) môže uhlík meniť geometriu svojich molekúl.
Wöhlerova syntéza močoviny z roku 1828 bola prelomová - ukázala, že organické zlúčeniny nie sú "nadprirodzené". Wöhler nahrial anorganický kyjanatán amónny (NH₄CNO) a získal močovinu (NH₂)₂CO, organickú zlúčeninu z moču.
Pre maturitu si zapamätaj: Práve schopnosť uhlíka tvoriť rôzne typy väzieb a štruktúr je dôvod, prečo existuje tak obrovské množstvo organických zlúčenín - vlastne milióny!

Organické a anorganické zlúčeniny sa líšia ako nebo a dudy. Organické zlúčeniny majú prevažne kovalentné väzby, nízke teploty topenia, sú horľavé a rozpúšťajú sa v organických rozpúšťadlách. Anorganické zlúčeniny majú iónové väzby, vysoké teploty topenia, sú nehorľavé a rozpúšťajú sa vo vode.
Napríklad metán (CH₄) má teplotu varu -164°C a horí, zatiaľ čo chlorid sodný (NaCl) sa topí pri 801°C a nehorí. Organické zlúčeniny reagují pomalšie a potrebujú katalyzátory, anorganické často reagujú okamžite.
Pozor na výnimky! Nie všetko s uhlíkom je organické - oxid uhličitý (CO₂), oxid uhoľnatý (CO) a uhličitany sa tradične považujú za anorganické zlúčeniny.
Tip na test: Zapamätaj si, že organických zlúčenín poznáme milióny, anorganických "len" státisíce. Uhlík je proste šampión v tvorení rozmanitých štruktúr!

Organická chémia ovplyvňuje každú sekundu tvojho života. V medicíne sa používa na výrobu liekov - antibiotiká, analgetiká, vitamíny. V poľnohospodárstve to jsou pesticídy a hnojivá, ktoré zabezpečujú potravu pre miliardy ľudí.
Energetika stojí na organických zlúčeninách - ropa, zemný plyn, benzín, nafta sú zmesi organických molekúl. Plasty ako polyetylén či PVC, syntetické vlákna ako nylon, farby, lepidlá - všetko organika.
Dokonca kozmetika a hygiena - mydlá, šampóny, krémy, parfémy obsahujú organické zlúčeniny. A biotechnológie? DNA, RNA, bielkoviny, enzýmy sú organické makromolekuly, ktoré robia možným život samotný.
Uvedom si: Metán nie je len plyn na varenie - je to hlavná zložka zemného plynu a dôležitá surovina v chemickom priemysle. Ale pozor, je to aj silný skleníkový plyn!

Cukor (sacharóza, C₁₂H₂₂O₁₁) je organická zlúčenina, ktorá ti dodáva energiu. Etanol (C₂H₅OH) nájdeš v alkoholických nápojoch, ale aj ako dezinfekciu a biopalivo. Má nízku teplotu varu (78°C) a je horľavý, na rozdiel od anorganického chloridu sodného.
Plasty sú makromolekuly z opakujúcich sa organických jednotiek. Oblečenie - bavlna je prírodný polymér (celulóza), polyester je syntetický. Vitamíny ako vitamín C sú esenciálne organické zlúčeniny, ktoré si telo nevie samo vyrobiť.
Lieky ako aspirín sú komplexné organické molekuly navrhnuté tak, aby interagovali s biologickými systémami a liečili choroby. Bez organickej chémie by neexistovala moderná medicína.
Pre lepšie pochopenie: Porovnaj si chlorid sodný (soľ) a etanol - soľ má vysokú teplotu topenia, nehorí a má iónové väzby. Etanol má nízku teplotu varu, horí a má kovalentné väzby. To je rozdiel medzi anorganickou a organickou chémiou!

V organickej chémii je kľúčové pochopiť štruktúru molekúl. Aj dve zlúčeniny s rovnakým počtom atómov môžu mať úplne odlišné vlastnosti, ak majú odlišné usporiadanie - nazývajú sa izoméry.
Organická chémia = chémia zlúčenín uhlíka. Uhlík je jedinečný vďaka schopnosti tvoriť štyri stabilné kovalentné väzby a spájať sa do reťazcov a cyklov. Wöhlerova syntéza močoviny z 1828 vyvrátila vitalizmus a otvorila cestu modernej organickej chémii.
Organické zlúčeniny majú typicky kovalentné väzby, nižšie teploty topenia, sú horľavé a rozpustné v organických rozpúšťadlách. Ich význam? Medicína, poľnohospodárstvo, energetika, materiály - organická chémia je všade okolo nás.
Na záver si zapamätaj: Kombinácia schopnosti uhlíka tvoriť rôzne väzby a štruktúry vedie k nekonečnej rozmanitosti molekúl. To je dôvod, prečo organická chémia ovplyvňuje každý aspekt moderného života!

Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Organická chémia je vlastne chémia života - štúdium všetkých zlúčenín uhlíka, ktoré tvoria základ všetkého živého na Zemi. Od liekov, ktoré berieš, keď si chorý, cez plasty vo svojom telefóne až po jedlo na tanieri - všade nájdeš organické zlúčeniny.

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Predstav si, že by neexistovali lieky, plasty, palivá ani potraviny - presne tak by vyzeral svet bez organickej chémie. Organická chémia je vedná disciplína, ktorá študuje všetky zlúčeniny obsahujúce uhlík. Môže sa to zdať ako úzka špecializácia, ale uhlík má takú jedinečnú schopnosť tvoriť väzby, že jeho zlúčeniny tvoria väčšinu všetkých známych chemických látok.
Organické zlúčeniny sú zlúčeniny obsahujúce atómy uhlíka, často viazané na vodík, kyslík, dusík alebo halogény. Na druhej strane máme anorganickú chémiu, ktorá sa zaoberá všetkými ostatnými prvkami a ich zlúčeninami - napríklad soľami, kovmi či minerálmi.
Dôležitá vec: kovalentná väzba je typická väzba v organických zlúčeninách, kde si atómy zdieľajú elektróny. Uhlík dokáže tvoriť štyri takéto väzby naraz!
Zaujímavosť: Historicky sa verilo v vitalizmus - teóriu, že organické zlúčeniny môžu vznikať len v živých organizmoch vďaka mystickej "životnej sile". To sa zmenilo v roku 1828, keď Friedrich Wöhler syntetizoval močovinu z anorganických látok a dokázal, že organiku vieme vyrobiť aj v laboratóriu.

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Uhlík je ako stavebnica LEGO chemického sveta - z niekoľkých jednoduchých pravidiel dokáže vytvoriť nekonečnú rozmanitosť štruktúr. Štyri valenčné elektróny mu umožňujú tvoriť štyri stabilné väzby s inými atómami.
Atómy uhlíka sa spájajú do dlhých reťazcov, rozvetvených štruktúr aj kruhov. Môžu tvoriť jednoduché, dvojité i trojité väzby, čo ešte viac zvyšuje rozmanitosť možných molekúl. Vďaka hybridizácii (sp³, sp², sp) môže uhlík meniť geometriu svojich molekúl.
Wöhlerova syntéza močoviny z roku 1828 bola prelomová - ukázala, že organické zlúčeniny nie sú "nadprirodzené". Wöhler nahrial anorganický kyjanatán amónny (NH₄CNO) a získal močovinu (NH₂)₂CO, organickú zlúčeninu z moču.
Pre maturitu si zapamätaj: Práve schopnosť uhlíka tvoriť rôzne typy väzieb a štruktúr je dôvod, prečo existuje tak obrovské množstvo organických zlúčenín - vlastne milióny!

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Organické a anorganické zlúčeniny sa líšia ako nebo a dudy. Organické zlúčeniny majú prevažne kovalentné väzby, nízke teploty topenia, sú horľavé a rozpúšťajú sa v organických rozpúšťadlách. Anorganické zlúčeniny majú iónové väzby, vysoké teploty topenia, sú nehorľavé a rozpúšťajú sa vo vode.
Napríklad metán (CH₄) má teplotu varu -164°C a horí, zatiaľ čo chlorid sodný (NaCl) sa topí pri 801°C a nehorí. Organické zlúčeniny reagují pomalšie a potrebujú katalyzátory, anorganické často reagujú okamžite.
Pozor na výnimky! Nie všetko s uhlíkom je organické - oxid uhličitý (CO₂), oxid uhoľnatý (CO) a uhličitany sa tradične považujú za anorganické zlúčeniny.
Tip na test: Zapamätaj si, že organických zlúčenín poznáme milióny, anorganických "len" státisíce. Uhlík je proste šampión v tvorení rozmanitých štruktúr!

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Organická chémia ovplyvňuje každú sekundu tvojho života. V medicíne sa používa na výrobu liekov - antibiotiká, analgetiká, vitamíny. V poľnohospodárstve to jsou pesticídy a hnojivá, ktoré zabezpečujú potravu pre miliardy ľudí.
Energetika stojí na organických zlúčeninách - ropa, zemný plyn, benzín, nafta sú zmesi organických molekúl. Plasty ako polyetylén či PVC, syntetické vlákna ako nylon, farby, lepidlá - všetko organika.
Dokonca kozmetika a hygiena - mydlá, šampóny, krémy, parfémy obsahujú organické zlúčeniny. A biotechnológie? DNA, RNA, bielkoviny, enzýmy sú organické makromolekuly, ktoré robia možným život samotný.
Uvedom si: Metán nie je len plyn na varenie - je to hlavná zložka zemného plynu a dôležitá surovina v chemickom priemysle. Ale pozor, je to aj silný skleníkový plyn!

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Cukor (sacharóza, C₁₂H₂₂O₁₁) je organická zlúčenina, ktorá ti dodáva energiu. Etanol (C₂H₅OH) nájdeš v alkoholických nápojoch, ale aj ako dezinfekciu a biopalivo. Má nízku teplotu varu (78°C) a je horľavý, na rozdiel od anorganického chloridu sodného.
Plasty sú makromolekuly z opakujúcich sa organických jednotiek. Oblečenie - bavlna je prírodný polymér (celulóza), polyester je syntetický. Vitamíny ako vitamín C sú esenciálne organické zlúčeniny, ktoré si telo nevie samo vyrobiť.
Lieky ako aspirín sú komplexné organické molekuly navrhnuté tak, aby interagovali s biologickými systémami a liečili choroby. Bez organickej chémie by neexistovala moderná medicína.
Pre lepšie pochopenie: Porovnaj si chlorid sodný (soľ) a etanol - soľ má vysokú teplotu topenia, nehorí a má iónové väzby. Etanol má nízku teplotu varu, horí a má kovalentné väzby. To je rozdiel medzi anorganickou a organickou chémiou!

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V organickej chémii je kľúčové pochopiť štruktúru molekúl. Aj dve zlúčeniny s rovnakým počtom atómov môžu mať úplne odlišné vlastnosti, ak majú odlišné usporiadanie - nazývajú sa izoméry.
Organická chémia = chémia zlúčenín uhlíka. Uhlík je jedinečný vďaka schopnosti tvoriť štyri stabilné kovalentné väzby a spájať sa do reťazcov a cyklov. Wöhlerova syntéza močoviny z 1828 vyvrátila vitalizmus a otvorila cestu modernej organickej chémii.
Organické zlúčeniny majú typicky kovalentné väzby, nižšie teploty topenia, sú horľavé a rozpustné v organických rozpúšťadlách. Ich význam? Medicína, poľnohospodárstvo, energetika, materiály - organická chémia je všade okolo nás.
Na záver si zapamätaj: Kombinácia schopnosti uhlíka tvoriť rôzne väzby a štruktúry vedie k nekonečnej rozmanitosti molekúl. To je dôvod, prečo organická chémia ovplyvňuje každý aspekt moderného života!

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Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user