# TapReaction vs Pi Digits

The clearest difference is review sentiment: Pi Digits at 100% against TapReaction's 0%. Pi Digits also leads on rating (5.0 vs 4.0) and update cadence (monthly vs every 26 months). TapReaction's advantage is iOS requirement (12.4 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pi Digits holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of TapReaction's written reviews are positive against 100% of Pi Digits's.

TapReaction ships an update every 26 months, Pi Digits monthly. Both last shipped on October 4, 2026.

## The numbers

| Metric | TapReaction | Pi Digits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/tapreaction/id337462568/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pi-digits-memory-challenge/id6467522843/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Monthly** |
| Monetization | Free | Free |
| Size | 5 MB | 11 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lars Bergelt](https://appshunter.io/developer/294176951) | [Slavka Polanova](https://appshunter.io/developer/1708764553) |

## What reviewers say

### TapReaction

[App page](https://appshunter.io/ios/app/tapreaction/id337462568)

Train and test your reflexes by tapping colors or numbers as quickly as possible. Choose board size and game duration to challenge your reaction speed in various modes.

**Highlights:** Reaction time testing, Color and Number modes, Customizable board size, Adjustable game time, High score lists, GameCenter support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pi Digits

[App page](https://appshunter.io/ios/app/pi-digits-memory-challenge/id6467522843)

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:** macOS Compatibility, Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is TapReaction free?

TapReaction is free to download, with no in-app purchases.

### Is Pi Digits free?

Pi Digits is free to download, with no in-app purchases.

### Which has better reviews, TapReaction or Pi Digits?

Pi Digits is rated higher. TapReaction averages 4.0 out of 5 from 1 ratings, while Pi Digits averages 5.0 from 1 ratings.

### Do TapReaction or Pi Digits have ads?

Neither TapReaction nor Pi Digits shows ads.

### Which is updated more often, TapReaction or Pi Digits?

TapReaction ships an update every 26 months, and Pi Digits monthly. Most recently, TapReaction was updated on October 4, 2026 and Pi Digits on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*