Comparison

CS Revision vs A

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

Head to head
About

CS Revision

This app provides revision notes, code snippets, and diagrams for International Baccalaureate Computer Science students. It includes practice questions, progress tracking, and a forum for discussion and motivation.

Highlights
  • Revision notes
  • Code snippets and diagrams
  • Progress tracking
  • MCQ and exam-style practice questions
  • Discussion forum
  • Friend motivation features
Features
Read full description

CS Revision helps you revise IB Diploma Computer Science in one focused place: learn a topic, practise it, then review what you got wrong until it sticks. LEARN EVERY TOPIC STEP BY STEP • 27 structured topics across Theme A, Theme B and the course components • Clear explanations, key ideas, worked examples and tables • Code examples in Python or Java, with syntax highlighting. Choose your language once. • Standard Level and Higher Level: HL-only material is labelled and can be hidden • Search, filter and bookmark topics PRACTISE WITH ORIGINAL QUESTIONS • Over 1,100 original practice questions written for this app • Single-answer, multiple-answer, code-output and short-answer questions • Instant feedback with an explanation for every question • Quick practice, topic practice and timed Theme A and Theme B practice sets • Report any answer that looks wrong straight from the question REVIEW AT THE RIGHT TIME • A spaced-review queue brings back questions just before you are likely to forget them • Progress charts, topic mastery and your weakest topics at a glance • A Due Review widget for your Home Screen • Optional daily practice reminders at a time you choose ASK THE QUESTION COACH Ask a follow-up about the lesson or question you are studying. The Question Coach uses Apple Intelligence on your device, so your questions are not sent to the developer or saved. It needs an iPhone or iPad that supports Apple Intelligence, with Apple Intelligence turned on. Responses are generated and can contain mistakes, so check them against the lesson. PRIVATE BY DESIGN • No account or sign-in • Your study profile and progress can sync between your iPhone and iPad through your own private iCloud • No advertising, no tracking and no third-party analytics • Export your progress or reset it at any time FREE AND FULL ACCESS Free: a selection of lessons and practice questions with explanations, up to three due review questions at a time, and one Question Coach conversation. Full Access (one-time in-app purchase): every lesson and question, unlimited practice and review, timed practice sets and unlimited Question Coach conversations. It is a single purchase with no subscription, and you can restore it on your other devices. CS Revision was developed independently from, and is not endorsed by, the International Baccalaureate (IB). International Baccalaureate and IB are registered trademarks of the International Baccalaureate Organization. All lessons and questions are original study material. They are not official IB examination questions or markschemes. Use the app alongside your teacher's guidance and the official course materials from your school. Terms of Use: https://grigor-dochev.github.io/ib-cs-revision-help/terms/

About

A

Features
Read full description

Kik flashcards offers A-Level Computer revision to learn all topics covered by many exam boards. These will help you learn faster by either topic wise or whole.

Screenshots

CS Revision3 screens
A4 screens

Verdict

The call

The clearest difference is price: CS Revision at Free against A's $0.99. A's advantage is iOS requirement (15.1 vs 26.0). On update cadence, ads, in-app purchases and device support 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

CS Revision is free to download; A costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CS Revision ships an update every 34 months, A every 39 months. The most recent releases landed on October 8, 2026 and September 26, 2026 respectively.

Scorecard2 real differences · 7 level
CS Revision versus A: the parameters behind the verdict, then further details
ParameterCS RevisionA
PriceFree — better$0.99
Rating3.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 34 months — betterEvery 39 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size15 MB22 MB
Age rating4+4+
DeveloperGrigor DochevSaman Wijenayake

In-app purchases

None

CS Revision

No in-app purchases

None

A

No in-app purchases

Questions

Is CS Revision free?
CS Revision is free to download, with no in-app purchases.
Is A free?
A costs $0.99, with no in-app purchases.
Do CS Revision or A have ads?
Neither CS Revision nor A shows ads.
Which is updated more often, CS Revision or A?
CS Revision ships an update every 34 months, and A every 39 months. Most recently, CS Revision was updated on October 8, 2026 and A on September 26, 2026.

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