# KeyLinker vs コラッツ計算機｜数列シミュレーター

The clearest difference is in-app purchases: KeyLinker at none against コラッツ計算機｜数列シミュレーター's 1. KeyLinker also leads on ads (none vs shown) and iOS requirement (13.0 vs 26.2). コラッツ計算機｜数列シミュレーター's advantage is update cadence (weekly vs every 2 months). On price 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. KeyLinker asks for nothing beyond the download.

KeyLinker ships an update every 2 months, コラッツ計算機｜数列シミュレーター weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KeyLinker | コラッツ計算機｜数列シミュレーター |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (52 ratings)](https://appshunter.io/ios/app/keylinker/id1472490585/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 30.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 38 MB | 5 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen ZhiXu Technology Co., Ltd](https://appshunter.io/developer/1472490584) | [Kenji Yanase](https://appshunter.io/developer/1865920313) |

## What reviewers say

### KeyLinker

[App page](https://appshunter.io/ios/app/keylinker/id1472490585)

Customize and enhance your controller experience with this utility app. Modify parameters for keys, lighting, vibration, and more to suit your personal preferences. Enjoy a more personalized and responsive gaming setup.

**Highlights:** Modify key parameters, Customize lamplight settings, Adjust vibration feedback, Configure joystick and trigger, Simultaneous device connection

**Features:** Vision Pro support

**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 KeyLinker free?

KeyLinker 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 KeyLinker or コラッツ計算機｜数列シミュレーター have ads?

コラッツ計算機｜数列シミュレーター shows ads; KeyLinker does not.

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

KeyLinker ships an update every 2 months, and コラッツ計算機｜数列シミュレーター weekly. Most recently, KeyLinker was updated on November 3, 2026 and コラッツ計算機｜数列シミュレーター on October 31, 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.*