# コラッツ計算機｜数列シミュレーター vs TimerTiles

The clearest difference is price: コラッツ計算機｜数列シミュレーター at Free against TimerTiles's $1.99. TimerTiles's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

コラッツ計算機｜数列シミュレーター is free to download; TimerTiles costs $1.99 up front. コラッツ計算機｜数列シミュレーター sells 1 one-off in-app purchase and TimerTiles sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

コラッツ計算機｜数列シミュレーター ships an update weekly, TimerTiles every 6 days. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | コラッツ計算機｜数列シミュレーター | TimerTiles |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Paid |
| Size | 5 MB | 41 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kenji Yanase](https://appshunter.io/developer/1865920313) | [souma kaneko](https://appshunter.io/developer/1896695718) |

## What reviewers say

### 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 |


### TimerTiles

[App page](https://appshunter.io/ios/app/timertiles-widget-timer/id6782746504)

Start timers instantly from your Home or Lock Screen widgets with a single tap. Ideal for cooking, studying, or workouts, this app offers customizable colored presets and live activity updates. It ensures timers ring even in Silent mode, prioritizing user privacy with no data collection or ads.

**Highlights:** One-tap widget timer start, Customizable colored presets, Live Activity and Dynamic Island support, Rings in Silent/Focus modes, Privacy-focused, no data collection, Multiple timer use cases

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Unlimited widgets) | $1.99 | one-time |
| Pro + Support | $14.99 | one-time |


## Frequently asked questions

### 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.

### Is TimerTiles free?

TimerTiles costs $1.99, and also offers in-app purchases.

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

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

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

コラッツ計算機｜数列シミュレーター ships an update weekly, and TimerTiles every 6 days. Most recently, コラッツ計算機｜数列シミュレーター was updated on September 22, 2026 and TimerTiles on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*