# RRタイマー vs 対局時計Simple

The clearest difference is update cadence: 対局時計Simple at every 8 months against RRタイマー's every 38 months. On price, ads, 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.

RRタイマー ships an update every 38 months, 対局時計Simple every 8 months. The most recent releases landed on October 6, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | RRタイマー | 対局時計Simple |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 8 months** |
| Size | 30 MB | 64 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mika Hatakeyama](https://appshunter.io/developer/445272831) | [Tsubasa Hizono](https://appshunter.io/developer/1682928043) |

## What reviewers say

### RRタイマー

[App page](https://appshunter.io/ios/app/rr/id1403856724)

**In-app purchases:** none


### 対局時計Simple

[App page](https://appshunter.io/ios/app/simple/id6447896409)

**In-app purchases:** none


## Frequently asked questions

### Is RRタイマー free?

RRタイマー is free to download, with no in-app purchases.

### Is 対局時計Simple free?

対局時計Simple is free to download, with no in-app purchases.

### Do RRタイマー or 対局時計Simple have ads?

Neither RRタイマー nor 対局時計Simple shows ads.

### Which is updated more often, RRタイマー or 対局時計Simple?

RRタイマー ships an update every 38 months, and 対局時計Simple every 8 months. Most recently, RRタイマー was updated on October 6, 2026 and 対局時計Simple on September 22, 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.*