# Time Perception Test vs Reaction Speed

The clearest difference is price: Time Perception Test at Free against Reaction Speed's $1.99. Time Perception Test also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (12.0 vs 17.0). Reaction Speed's advantage is ads (none vs shown) and rating (5.0 vs 4.7). On ratings volume and in-app purchases there is nothing between them.

Time Perception Test is free to download; Reaction Speed costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Reaction Speed holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Time Perception Test ships an update every 2 days, Reaction Speed every 8 days. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Time Perception Test | Reaction Speed |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/time-perception-test/id6449470351/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reaction-speed-are-you-fast/id6479173563/reviews)** |
| Number of ratings | **3** | 2 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | **Ad-supported** | Paid |
| Size | 46 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Osawa Shunsuke](https://appshunter.io/developer/477431394) | [Torn Metal LLC](https://appshunter.io/developer/729464375) |

## What reviewers say

### Time Perception Test

[App page](https://appshunter.io/ios/app/time-perception-test/id6449470351)

Test your ability to accurately judge time intervals from 1 to 30 seconds. Improve your time sense and enhance productivity and decision-making skills in daily life. This app helps you develop a better understanding of time and manage your schedule more effectively.

**Highlights:** Test time intervals (1, 3, 5, 10, 30 seconds), Compare predicted vs. actual reaction time, Improve productivity and efficiency, Hone time management skills, Develop intuitive decision-making

**Features:** macOS Compatibility

**In-app purchases:** none


### Reaction Speed

[App page](https://appshunter.io/ios/app/reaction-speed-are-you-fast/id6479173563)

Test your reflexes with this fast-paced game. Tap rapidly on green circles while avoiding decoys and time limits across challenging levels. Prove your quickness under pressure to see how long you can last.

**Highlights:** Test reaction speed, Challenge reflexes, Tap green circles rapidly, Navigate difficult levels, Avoid decoys, Compete under pressure

**In-app purchases:** none


## Frequently asked questions

### Is Time Perception Test free?

Time Perception Test is free to download, with no in-app purchases.

### Is Reaction Speed free?

Reaction Speed costs $1.99, with no in-app purchases.

### Which has better reviews, Time Perception Test or Reaction Speed?

Reaction Speed is rated higher. Time Perception Test averages 4.7 out of 5 from 3 ratings, while Reaction Speed averages 5.0 from 2 ratings.

### Do Time Perception Test or Reaction Speed have ads?

Time Perception Test shows ads; Reaction Speed does not.

### Which is updated more often, Time Perception Test or Reaction Speed?

Time Perception Test ships an update every 2 days, and Reaction Speed every 8 days. Most recently, Time Perception Test was updated on October 30, 2026 and Reaction Speed on November 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.*