# Touchless Counter vs コラッツ計算機｜数列シミュレーター

The clearest difference is in-app purchases: Touchless Counter at none against コラッツ計算機｜数列シミュレーター's 1. Touchless Counter also leads on iOS requirement (15.8.3 vs 26.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. コラッツ計算機｜数列シミュレーター sells 1 one-off in-app purchase. Touchless Counter asks for nothing beyond the download.

Touchless Counter ships an update fortnightly, コラッツ計算機｜数列シミュレーター weekly. The most recent releases landed on September 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Touchless Counter | コラッツ計算機｜数列シミュレーター |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Size | 36 MB | 5 MB |
| Requires iOS | **15.8.3** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Kenji Yanase](https://appshunter.io/developer/1865920313) |

## What reviewers say

### Touchless Counter

[App page](https://appshunter.io/ios/app/touchless-counter/id6504476528)

**Features:** macOS Compatibility

**In-app purchases:** none


### コラッツ計算機｜数列シミュレーター

[App page](https://appshunter.io/ios/app/id6766773009)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム | $0.49 | one-time |


## Frequently asked questions

### Is Touchless Counter free?

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

### Is コラッツ計算機｜数列シミュレーター free?

コラッツ計算機｜数列シミュレーター is free to download, with in-app purchases available.

### Do Touchless Counter or コラッツ計算機｜数列シミュレーター have ads?

Both Touchless Counter and コラッツ計算機｜数列シミュレーター show ads.

### Which is updated more often, Touchless Counter or コラッツ計算機｜数列シミュレーター?

Touchless Counter ships an update fortnightly, and コラッツ計算機｜数列シミュレーター weekly. Most recently, Touchless Counter was updated on September 28, 2026 and コラッツ計算機｜数列シミュレーター 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.*