PiMemory vs HyperPi Lite
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
PiMemory
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PiMemory is a fun app to learn and memorize the digits of Ļ. In Game Mode, you can enter numbers to challenge yourself and set high scores up to 3,000 decimal places. In Learn Mode, you can view and practice Ļ up to 3,000 decimal places repeatedly. Key Features: - Game Mode: Challenge yourself by matching Ļ digits using the numeric keypad (up to 3,000 decimal places) - Learn Mode: Check and practice Ļ digits as far as you want (up to 3,000 decimal places) - High Score Management: Save and update your personal records - Intuitive UI: Optimized design for both iPhone and iPad - Ads: Banner ads for free use (privacy-compliant) Have fun memorizing Ļ with PiMemory while improving your focus and memory skills!
HyperPi Lite
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Learn, practice, and memorize the digits of Pi with HyperPi Lite ā a focused training app for beginners, memory enthusiasts, students, and anyone curious to discover how many digits they can remember. Whether you want to learn your first 20 digits, improve your personal record, or explore Pi far beyond 3.14159, HyperPi gives you several ways to train and test your memory. LEARN PI STEP BY STEP Study the sequence at your own pace with a clean interface designed for focused repetition. Enter each digit as you progress, use helpful hints when needed, and gradually build longer and more accurate sequences. CHALLENGE YOUR MEMORY How many digits of Pi can you recall without making a mistake? Test yourself in Challenge Mode, keep track of your progress, and try to beat your previous record. Customize your training and start from different positions instead of always beginning with 3.14. EXPLORE 1,000,000 DIGITS Browse the first one million digits of Pi in a clear, searchable reference view. Jump directly to a specific position, inspect any section of the sequence, and use the reference to support your learning and practice sessions. TRAIN FROM ANY POSITION Memorizing Pi is not only about knowing the beginning. Choose a starting position and practice a specific section of the sequence. This helps you strengthen weaker areas and build a more complete memory of Pi. TEST RANDOM POSITIONS Put your knowledge to a more difficult test by identifying digits from unexpected positions. Random challenges help you move beyond simple repetition and find out whether you truly know the sequence. DESIGNED FOR FOCUSED PRACTICE HyperPi Lite includes: ⢠Guided Pi memorization ⢠Digit-by-digit learning ⢠Memory challenges ⢠Custom starting positions ⢠Random-position tests ⢠Helpful hints ⢠Progress tracking ⢠Haptic feedback ⢠A reference containing 1,000,000 digits ⢠A clean and distraction-free interface HOW MANY DIGITS CAN YOU MEMORIZE? Start with a few digits, develop your own memorization technique, and improve one sequence at a time. Download HyperPi Lite and begin mastering the digits of Pi today.
Screenshots
Verdict
The clearest difference is ads: HyperPi Lite at none against PiMemory's shown. PiMemory's advantage is update cadence (fortnightly vs every 2 months) and iOS requirement (16.6 vs 26.1). On price, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PiMemory ships an update fortnightly, HyperPi Lite every 2 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.
| Parameter | PiMemory | HyperPi Lite |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly ā better | Every 2 months |
| Ads | Yes | No ā better |
| In-app purchases | No | No |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 16.6 ā better | 26.1 |
| Further details ā not scored | ||
| Size | 11 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Younghan Kim | Bassem Allani |
In-app purchases
PiMemory
No in-app purchases
HyperPi Lite
No in-app purchases









