# 地頭力診断 vs Time Perception Test

The clearest difference is ads: 地頭力診断 at none against Time Perception Test's shown. 地頭力診断 also leads on rating (5.0 vs 4.7) and iOS requirement (9.0 vs 12.0). Time Perception Test's advantage is update cadence (every 2 days vs monthly) and ratings volume (3 vs 1). On price, in-app purchases and device support there is nothing between them.

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

地頭力診断 holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

地頭力診断 ships an update monthly, Time Perception Test every 2 days. The most recent releases landed on September 2, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | 地頭力診断 | Time Perception Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id570172036/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/time-perception-test/id6449470351/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 45.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 44 MB | 46 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vi-King co.,ltd](https://appshunter.io/developer/432738652) | [Osawa Shunsuke](https://appshunter.io/developer/477431394) |

## What reviewers say

### 地頭力診断

[App page](https://appshunter.io/ios/app/id570172036)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 地頭力診断 free?

地頭力診断 is free to download, with no in-app purchases.

### Is Time Perception Test free?

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

### Which has better reviews, 地頭力診断 or Time Perception Test?

地頭力診断 is rated higher. 地頭力診断 averages 5.0 out of 5 from 1 ratings, while Time Perception Test averages 4.7 from 3 ratings.

### Do 地頭力診断 or Time Perception Test have ads?

Time Perception Test shows ads; 地頭力診断 does not.

### Which is updated more often, 地頭力診断 or Time Perception Test?

地頭力診断 ships an update monthly, and Time Perception Test every 2 days. Most recently, 地頭力診断 was updated on September 2, 2026 and Time Perception Test on June 11, 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.*