Comparison

thinka vs ZNotes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

thinka

This AI-powered platform offers unlimited practice questions and personalized learning for IGCSE, A-Level, IB, and HKDSE exams. Get instant feedback, track progress, and simulate exam conditions to study smarter and improve faster.

Highlights
  • Unlimited practice questions
  • AI-powered grading and explanations
  • Personalized learning paths
  • Exam simulation mode
  • Progress tracking
  • Cross-device compatibility
Features
Read full description

Ace Your Exams with AI — Study Smarter, Improve Faster thinka is an AI-powered learning platform designed for students preparing for IGCSE, A-Level, IB, SAT and AP exams. With unlimited practice questions and personalized learning, thinka helps you study anytime, anywhere — without being limited by time or location. Key Features: 1. Unlimited Practice Questions - Covers a wide range of subjects across IGCSE, A-Level, IB, SAT and AP - Continuously updated question bank - Practice as much as you need 2. AI-Powered Grading & Explanations - Get instant feedback on your answers - Clear, step-by-step explanations to help you understand concepts - Go beyond memorizing answers — truly learn how to solve 3. Personalized Learning - AI adapts to your performance - Automatically generates targeted questions based on your weaknesses - Focus on what matters most 4. Study Anytime, Anywhere - Available on mobile, tablet, and desktop - Learn on the go or at home - Make the most of your time with efficient practice 5. Exam Simulation Mode - Real exam-style practice with timed conditions - Build speed, accuracy, and confidence 6. Track Your Progress - Monitor your performance over time - Identify weak areas and improve consistently - See your progress clearly Built for Students Like You Whether you're preparing for IGCSE, A-Level, IB, SAT or AP, thinka helps you practice smarter and achieve better results. thinka is a startup backed by the Hong Kong Science and Technology Parks (HKSTP) Incubation Programme. Since 2017, thinka has been developing online learning solutions and has been adopted by 50+ schools. It has also received investment from Tung Wah Group of Hospitals and recognition across major media. Download Thinka and begin your AI-powered learning journey today. Privacy Policy: https://www.thinka.ai/en/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ZNotes

Access over 200 syllabus-aligned study notes, chapter-wise quizzes, and an AI tutor for IGCSE, A-Level, IB Diploma, and SAT students. Improve exam confidence and achieve target grades with this free, student-led learning platform.

Highlights
  • Syllabus-aligned study notes
  • Chapter-wise quizzes
  • AI tutor (Ask Zee)
  • Progress tracking
  • Student-created content
  • Exam confidence booster
Features
Read full description

Join 7 million students using ZNotes to feel more confident going into exams. ZNotes brings together 200+ syllabus-aligned notes, chapter-wise quizzes, and Ask Zee, your AI tutor, available anytime, all in one app. Built for IGCSE, A-Level, IB Diploma and SAT students. 91% of students say they feel more confident after using ZNotes, and 87% meet or exceed their target grades. Study notes that actually follow your syllabus - 200+ notes across GCSE, IGCSE, A-Level, IB and SAT subjects - Organised by topic, so you can find what you need fast - Clear diagrams, worked examples, concept summaries - Covers Biology, Chemistry, Physics, Maths, Economics, Business and more Quizzes that test what you actually know - 3000+ chapter-wise practice questions for every topic - Instant feedback with clear explanations - Track your progress subject by subject Ask Zee: your AI tutor, on call 24/7 - Get instant, step-by-step explanations - Built around your syllabus, not generic answers - Break down tough topics or simplify tricky definitions Why 7 million students choose ZNotes - 91% feel more confident about exams - 87% reach or exceed their target grades - Used by students in 190+ countries - Free to use. Always. Built for students, by students ZNotes started with one student sharing notes online. Today, it’s grown into one of the world’s largest student-led learning communities. Every note is created and reviewed by students who’ve taken the same exams you’re preparing for, so it’s focused, relevant, and actually useful. Awarded by MIT Solve, GSV Cup, QS Reimagine Education and WSA. Featured by the UNDP, BBC and Samsung. Stay connected - Website: znotes.org - Instagram: @znotesrevision - TikTok: @znotesofficial Privacy Policy: znotes.org/privacy Terms of Use: znotes.org/terms

Screenshots

thinka4 screens
ZNotes4 screens

Verdict

The call

The clearest difference is review sentiment: thinka at 86% against ZNotes's 0%. thinka also leads on rating (4.4 vs 2.5). ZNotes's advantage is in-app purchases (none vs 6). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. thinka sells 6 in-app purchases, starting at $8.99 per month. ZNotes asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

thinka holds the better App Store score, 4.4 against 2.5. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews point the same way: 86% of thinka's written reviews are positive against 0% of ZNotes's.

UpkeepUpdate frequency

thinka ships an update every 10 days, ZNotes every 9 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
thinka versus ZNotes: the parameters behind the verdict, then further details
ParameterthinkaZNotes
PriceFreeFree
Rating4.4 (8 ratings) — better2.5 (4 ratings)
Positive reviews85.7% of reviews — better0.0% of reviews
Number of ratings8 — better4
Update frequencyEvery 10 daysEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size91 MB57 MB
Age rating4+4+
DeveloperThinka LimitedZNotes

Customer experience

thinka

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

ZNotes

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

6 purchases

thinka

Subscriptions6
  • Premium Student (1 Month)$8.991 Month
  • Premium Teacher (1 Month)$12.991 Month
  • Premium Student (6 Months)$39.996 Months
Show 3 more
  • Premium Student (12 Months)$59.991 Year
  • Premium Teacher (6 Months)$59.996 Months
  • Premium Teacher (12 Months)$99.991 Year
None

ZNotes

No in-app purchases

Questions

Is thinka free?
thinka is free to download, with in-app purchases available.
Is ZNotes free?
ZNotes is free to download, with no in-app purchases.
Which has better reviews, thinka or ZNotes?
thinka is rated higher. thinka averages 4.4 out of 5 from 8 ratings, while ZNotes averages 2.5 from 4 ratings.
Do thinka or ZNotes have ads?
Neither thinka nor ZNotes shows ads.
Which is updated more often, thinka or ZNotes?
thinka ships an update every 10 days, and ZNotes every 9 days. Most recently, thinka was updated on October 6, 2026 and ZNotes on October 11, 2026.

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