# ReactionTimeChecker vs Tapd

The clearest difference is rating: Tapd at 4.0 against ReactionTimeChecker's 1.0. Tapd also leads on review sentiment (70% vs 33%) and ads (none vs shown). ReactionTimeChecker's advantage is in-app purchases (none vs 3) and update cadence (every 7 months vs every 19 months). On price and device support there is nothing between them.

Both are free to download. Tapd sells 3 one-off in-app purchases. ReactionTimeChecker asks for nothing beyond the download.

Tapd holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Tapd has 29 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of ReactionTimeChecker's written reviews are positive against 70% of Tapd's.

ReactionTimeChecker ships an update every 7 months, Tapd every 19 months. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ReactionTimeChecker | Tapd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/reactiontimechecker/id537191082/reviews) | **[4.0 (29 ratings)](https://appshunter.io/ios/app/tapd-a-coordination-game/id1019522139/reviews)** |
| Number of ratings | 1 | **29** |
| Positive reviews | 33.3% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 19 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 22 MB | 45 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NSC, K.K.](https://appshunter.io/developer/501890400) | [Cohen Adair](https://appshunter.io/developer/959989007) |

## What reviewers say

### ReactionTimeChecker

[App page](https://appshunter.io/ios/app/reactiontimechecker/id537191082)

Test your reflexes by tapping a color-changing button as quickly as possible. Compete with others through online leaderboards and receive an evaluation of your performance.

**Highlights:** Reaction time testing, Color-changing button gameplay, Score and evaluation display, Online ranking system, Automatic result upload

**Features:** macOS Compatibility

**In-app purchases:** none


### Tapd

[App page](https://appshunter.io/ios/app/tapd-a-coordination-game/id1019522139)

A fast-paced tapping game that challenges your hand-eye coordination and reaction time. Test your skills across various difficulty levels, including a special mode for children. Compete for high scores and enjoy customizable sound options.

**Highlights:** Fast-paced tapping gameplay, Multiple difficulty levels, Kids mode with unlimited lives, Local high score tracking, Pause and resume functionality, Music and sound effects

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lives Package First Tier | $0.99 | one-time |
| Lives Package Second Tier | $1.99 | one-time |
| Lives Package Third Tier | $9.99 | one-time |


## Frequently asked questions

### Is ReactionTimeChecker free?

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

### Is Tapd free?

Tapd is free to download, with in-app purchases available.

### Which has better reviews, ReactionTimeChecker or Tapd?

Tapd is rated higher. ReactionTimeChecker averages 1.0 out of 5 from 1 ratings, while Tapd averages 4.0 from 29 ratings.

### Do ReactionTimeChecker or Tapd have ads?

ReactionTimeChecker shows ads; Tapd does not.

### Which is updated more often, ReactionTimeChecker or Tapd?

ReactionTimeChecker ships an update every 7 months, and Tapd every 19 months. Most recently, ReactionTimeChecker was updated on October 3, 2026 and Tapd on October 21, 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.*