Comparison

Pi Brain vs Pi Score Challenge

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

Head to head
About

Pi Brain

Test and improve your ability to memorize digits of pi. Challenge yourself and friends to see who can recall the most numbers. This app serves as a fun learning tool for all ages to enhance memory retention.

Highlights
  • Memorize pi digits
  • Test memory recall
  • Score saving
  • Sort scores by date, name, or score
  • Friend contests
  • Learning tool
Features
Read full description

How many digits of pi can you remember? Since pi is an irrational number, the digits never end or repeat. You will probably never have to use more than a dozen digits in any calculation, so why learn the digits of pi? For some people this is a challenge. The Guinness record for remembered digits is 67,890 digits. With this program you will have the opportunity to test your memory, and learn a universal number. Have contests with your friends and family. This is a great learning tool for all ages. You be surprised how much you can remember with a little practice. The option to save the score will only appear if you do not make more than one mistake and do not use the hint or switch to the learn mode. Scores can be sorted by date, name, or score. Use this list to verify your retention over long periods.

About

Pi Score Challenge

Features
Read full description

Unlock the Secrets of Pi! Get ready to challenge your mind with the ultimate Pi app. Pi Score Challenge is designed to test your memory and enhance your knowledge of the infinite digits of Pi. Whether you're a math enthusiast or just curious, this app offers an engaging and interactive way to sharpen your skills. Dive into a variety of levels, from beginner to expert, and track your progress as you learn more each day. Start improving now—just in time for Pi Day! Challenge your family and friends, see who can memorize the most digits. Download today and transform your numerical memory into a Pi Score!

Screenshots

Pi Brain1 screens
Pi Score Challenge1 screens

Verdict

The call

The clearest difference is in-app purchases: Pi Brain at none against Pi Score Challenge's 1. Pi Brain also leads on iOS requirement (6.0 vs 13.0). Pi Score Challenge's advantage is update cadence (fortnightly vs every 5 months). On price, ads 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

Both are free to download. Pi Score Challenge sells 1 one-off in-app purchase. Pi Brain asks for nothing beyond the download.

UpkeepUpdate frequency

Pi Brain ships an update every 5 months, Pi Score Challenge fortnightly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Pi Brain versus Pi Score Challenge: the parameters behind the verdict, then further details
ParameterPi BrainPi Score Challenge
PriceFreeFree
Rating3.7 (9 ratings) — better—
Positive reviews84.4% of reviews—
Number of ratings9 — better—
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS6.0 — better13.0
Further details — not scored
Size3 MB39 MB
Age rating4+4+
DeveloperHenry ChanLee Cooper

Bugs and requests

Pi Brain

Reported bugs

8 issues
  • Screen 'jumps' past ~100 digits
  • Score history deleted on update
  • Keyboard pops up and blocks buttons
  • Cannot save scores
  • App shuts down without saving score
Show 3 more
  • Latest update does not work
  • Frustrating bugs with saving/resetting
  • Blocks what row you are on after 40 digits

Requested features

10 requests
  • Allow starting from any digit
  • Option to not count '3' in row divisions
  • Add a clear button on test page
  • Practice mode for digits already mastered
  • Levels based on digits learned
Show 5 more
  • Leaderboard for competitive play
  • Ability to turn off sound
  • Graphics makeover
  • Option to save score at every mistake
  • Option to reset without closing app

Pi Score Challenge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Pi Brain

No in-app purchases

1 purchases

Pi Score Challenge

One-time1
  • Slice of Pie$5.00

Questions

Is Pi Brain free?
Pi Brain is free to download, with no in-app purchases.
Is Pi Score Challenge free?
Pi Score Challenge is free to download, with in-app purchases available.
Do Pi Brain or Pi Score Challenge have ads?
Neither Pi Brain nor Pi Score Challenge shows ads.
Which is updated more often, Pi Brain or Pi Score Challenge?
Pi Brain ships an update every 5 months, and Pi Score Challenge fortnightly. Most recently, Pi Brain was updated on October 23, 2026 and Pi Score Challenge on October 25, 2026.

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