CS Wizard
A-Level Computer Science
$0.99 · Designed for iPad
New in 2.0: timed mock exams, five revision games, 19 step-through tools and notes for every topic. Now on iPad too. Buy once: no subscription, no ads, no account.
Everything for OCR A-Level Computer Science (H446) in one app: notes, flashcards, exam questions, timed mock exams, revision games and step-by-step tools. Written by an A-Level Computer Science teacher, and all of it works offline.
REVISE
• Clear notes for all 24 specification topics, from processors to algorithms
• 378 flashcards, with definitions written around what the mark schemes credit
• Search every topic, term and question in one place
REMEMBER
• Daily Deck: a short set of cards each day, chosen by spaced repetition so each term comes back just before you would forget it
• Rate your confidence and watch every topic move from Unfamiliar to Mastered
• Quick Review goes straight to your weakest terms
• Flashcards can be read aloud, and an optional daily reminder keeps your streak going
PRACTISE FOR THE EXAM
• Nearly 300 past-paper and practice questions, each with its mark scheme
• Mark your own answers and see which topics are costing you marks
• Mock Exam: a timed paper of 20, 70 or 140 marks built from your weaker topics, then marked question by question with a breakdown by topic
SIX GAMES THAT MAKE IT STICK
• Binary Blitz: convert between binary, denary and hexadecimal against the clock
• Memory Pairs and Match: pair each term with its definition
• Speed Round: does this definition match this term? Sixty seconds
• Order It: put the steps of a process in the right order
• Sort It: drop each item into the group it belongs to
19 TOOLS THAT SHOW THE WORKING
Step through the methods the exam asks you to trace, one line at a time:
• Processor: the fetch-decode-execute cycle and scheduling
• Binary: denary, binary and hexadecimal conversion, two's complement, addition and subtraction, floating point, shifts and masks
• Data structures: stacks and queues, binary search trees, hash tables
• Algorithms: linear and binary search, bubble, insertion, merge and quick sort, Dijkstra's shortest path
• Logic: Karnaugh maps and truth tables
• Compression: run length encoding and dictionary coding
TRACK YOUR PROGRESS
• Confidence for every topic and across both papers
• Streaks, activity and your exam question scores
• A countdown to Paper 1 and Paper 2
MADE FOR IPHONE AND IPAD
• Real iPad layouts: sidebar, two columns, keyboard shortcuts and pointer support
• Portrait and landscape
• Find any term from Home Screen search, start your Daily Deck with Siri, or press and hold the app icon for shortcuts
NO SUBSCRIPTION, NO ADS, NO ACCOUNT
Buy it once. There is nothing to sign up for, and your progress stays on your device.
The companion app to compsciwizard.com.
CS Wizard is an independent revision app. It is not affiliated with or endorsed by OCR.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
CS Wizard 2 is a complete rebuild, and it now runs on iPad.
NEW
• Mock Exam: a timed paper built from your weaker topics, then marked question by question
• Five new games: Binary Blitz, Memory Pairs, Speed Round, Order It and Sort It
• Eight new tools: hexadecimal, floating point, shifts and masks, truth tables, binary search trees, hash tables, scheduling and compression
• Notes for all 24 topics, available offline
• Daily Deck with spaced repetition, and an optional daily reminder
• Exam questions with mark schemes, and marking your own answers
BETTER
• Every flashcard definition rewritten around what the mark schemes credit
• A new look to match compsciwizard.com
• iPad layouts, landscape, keyboard shortcuts, Siri and Home Screen search
Your confidence ratings from the previous version carry over.
The developer, Macauley Treleaven, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Macauley Treleaven
- Size
- 14.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Macauley Treleaven

