# Time Keeper Mark 3 vs ルーレット

The clearest difference is ads: Time Keeper Mark 3 at none against ルーレット's shown. Time Keeper Mark 3 also leads on update cadence (monthly vs every 5 months) and iOS requirement (7.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

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

Time Keeper Mark 3 ships an update monthly, ルーレット every 5 months. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Time Keeper Mark 3 | ルーレット |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 months |
| Size | 3 MB | 5 MB |
| Requires iOS | **7.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKUYA HIGUCHI](https://appshunter.io/developer/579952589) | [IBUKI YOSHIDA](https://appshunter.io/developer/1856209051) |

## What reviewers say

### Time Keeper Mark 3

[App page](https://appshunter.io/ios/app/time-keeper-mark-3/id735995183)

**Features:** macOS Compatibility

**In-app purchases:** none


### ルーレット

[App page](https://appshunter.io/ios/app/id6756079291)

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

**In-app purchases:** none


## Frequently asked questions

### Is Time Keeper Mark 3 free?

Time Keeper Mark 3 is free to download, with no in-app purchases.

### Is ルーレット free?

ルーレット is free to download, with no in-app purchases.

### Do Time Keeper Mark 3 or ルーレット have ads?

ルーレット shows ads; Time Keeper Mark 3 does not.

### Which is updated more often, Time Keeper Mark 3 or ルーレット?

Time Keeper Mark 3 ships an update monthly, and ルーレット every 5 months. Most recently, Time Keeper Mark 3 was updated on November 1, 2026 and ルーレット on October 28, 2026.

---

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