Comparison

Pi Digits vs MoMo

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

Head to head
About

Pi Digits

Test your ability to memorize and recall digits of Pi. Engage in fast-paced challenges to extend your streak and improve your number recall. Ideal for students, puzzle enthusiasts, or anyone seeking a quick mental workout.

Highlights
  • Memorize digits of Pi
  • Classic typing mode
  • Timed Blitz mode
  • Track best streaks
  • Quick brain workouts
  • Suitable for all levels
Features
Read full description

How many digits of π can you really remember? Pi Digits turns memorizing pi into a fast, addictive challenge - perfect for Pi Day, school contests, or anyone who loves number puzzles. Start at 3.14159… and see how far your memory can go. THREE WAYS TO PLAY • Classic Mode: Type the next digit and build your streak one number at a time. • Blitz Mode: You've got 10 seconds—go as far as you can before the clock runs out. • Practice Mode: Optionally reveal the next digit as you go, with no fails - just relaxed, low-pressure practice. WHY YOU'LL LOVE PI DIGITS • Train your recall: A simple loop that makes practice feel like a game • Quick sessions: Perfect for a short brain workout anytime • Track your best run: Beat your personal record and level up your pi knowledge • Statistics: See your progress and stats over time • Fun for all levels: From beginners learning the first digits to serious memorizers MADE FOR PI FANS (AND FUTURE PI FANS) Whether you're preparing for a classroom competition, challenging friends, or just want a satisfying memory test, Pi Digits is a focused way to practice and improve. Ready to become a Pi master? Download Pi Digits and start your streak today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Subscription required to access all features.

About

MoMo

Features
Read full description

Have you ever found Morse code intimidating? With MoMo, you can learn it like a game — and actually enjoy it. MoMo is a learning and game app designed for everyone, from complete beginners to intermediate learners looking to sharpen their skills. Instead of plain memorization, MoMo is built around three natural learning methods: seeing, hearing, and typing — so the code becomes second nature. [Study Mode] Browse all letters A–Z and numbers 0–9 as easy-to-read flashcards. Tap any card to hear the actual Morse code sound, so you learn with both your eyes and ears at the same time. Visual dot-and-dash patterns help you recognize and remember each symbol faster. [3 Game Modes] ▸ Morse → Letter (Multiple Choice) Look at the Morse code on screen and choose the correct letter. Time attacks and combo systems keep every round exciting and intense. ▸ Letter → Morse Input Type out the given letter yourself using dots and dashes. Hands-on input is the fastest way to truly internalize Morse code. ▸ Listen & Transcribe Hear the sound and identify the letter — the most challenging mode of all. The closest experience to real-world Morse communication you can get. [Free Practice Mode] Enter dots and dashes freely without any quiz format and see the decoded result in real time. Play back what you've typed as audio instantly — perfect for self-directed learning. [Additional Features] - Adjust playback speed (WPM) to set your own learning pace - Game scores and accuracy stats saved automatically - Dark mode / Light mode supported automatically - Hint system to help you push through tough questions Start MoMo now and take on the challenge of becoming a Morse code master!

Screenshots

Pi Digits4 screens
MoMo4 screens

Verdict

The call

The clearest difference is ads: Pi Digits at none against MoMo's shown. MoMo's advantage is update cadence (every 2 weeks vs monthly) and device support (3 vs 1). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pi Digits ships an update monthly, MoMo every 2 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Pi Digits versus MoMo: the parameters behind the verdict, then further details
ParameterPi DigitsMoMo
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size11 MB34 MB
Age rating4+4+
DeveloperSlavka PolanovaJAEMIN LEE

In-app purchases

None

Pi Digits

No in-app purchases

None

MoMo

No in-app purchases

Questions

Is Pi Digits free?
Pi Digits is free to download, with no in-app purchases.
Is MoMo free?
MoMo is free to download, with no in-app purchases.
Do Pi Digits or MoMo have ads?
MoMo shows ads; Pi Digits does not.
Which is updated more often, Pi Digits or MoMo?
Pi Digits ships an update monthly, and MoMo every 2 weeks. Most recently, Pi Digits was updated on October 4, 2026 and MoMo on October 7, 2026.

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