# TouchTheNumberEndless 集中力・反射神経 vs Twindow

TouchTheNumberEndless 集中力・反射神経 and Twindow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

TouchTheNumberEndless 集中力・反射神経 ships an update weekly, Twindow every 5 days. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TouchTheNumberEndless 集中力・反射神経 | Twindow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/twindow-find-the-difference/id6801139744/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 42 MB | 92 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Haruki Takano](https://appshunter.io/developer/1821439872) | [Ozkan Yilmaz](https://appshunter.io/developer/1708878442) |

## What reviewers say

### TouchTheNumberEndless 集中力・反射神経

[App page](https://appshunter.io/ios/app/touchthenumberendless/id6747434505)

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

**In-app purchases:** none


### Twindow

[App page](https://appshunter.io/ios/app/twindow-find-the-difference/id6801139744)

A relaxing spot-the-difference game with no time limits or penalties for wrong taps. Enjoy beautifully crafted scenes and a new daily challenge, playable offline.

**Highlights:** No time limits, No penalties for wrong taps, Daily scenes, Offline play, Carefully designed differences, Colorblind friendly

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

**In-app purchases:** none


## Frequently asked questions

### Is TouchTheNumberEndless 集中力・反射神経 free?

TouchTheNumberEndless 集中力・反射神経 is free to download, with no in-app purchases.

### Is Twindow free?

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

### Do TouchTheNumberEndless 集中力・反射神経 or Twindow have ads?

Both TouchTheNumberEndless 集中力・反射神経 and Twindow show ads.

### Which is updated more often, TouchTheNumberEndless 集中力・反射神経 or Twindow?

TouchTheNumberEndless 集中力・反射神経 ships an update weekly, and Twindow every 5 days. Most recently, TouchTheNumberEndless 集中力・反射神経 was updated on October 18, 2026 and Twindow on October 25, 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.*