# Fullscreen Timelapse Clock vs コラッツ計算機｜数列シミュレーター

The clearest difference is in-app purchases: Fullscreen Timelapse Clock at none against コラッツ計算機｜数列シミュレーター's 1. Fullscreen Timelapse Clock also leads on ads (none vs shown) and update cadence (every 2 days vs weekly). 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. Fullscreen Timelapse Clock asks for nothing beyond the download.

Fullscreen Timelapse Clock ships an update every 2 days, コラッツ計算機｜数列シミュレーター weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Fullscreen Timelapse Clock | 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 | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Size | 18 MB | 5 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Groundcode](https://appshunter.io/developer/1835580242) | [Kenji Yanase](https://appshunter.io/developer/1865920313) |

## What reviewers say

### Fullscreen Timelapse Clock

[App page](https://appshunter.io/ios/app/fullscreen-timelapse-clock/id6756200203)

**Features:** macOS Compatibility, 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 Fullscreen Timelapse Clock free?

Fullscreen Timelapse Clock 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 Fullscreen Timelapse Clock 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; Fullscreen Timelapse Clock does not.

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

Fullscreen Timelapse Clock ships an update every 2 days, and コラッツ計算機｜数列シミュレーター weekly. Most recently, Fullscreen Timelapse Clock was updated on November 4, 2026 and コラッツ計算機｜数列シミュレーター on November 5, 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.*