# 残業代チェッカー vs LifeCoster

The clearest difference is ads: 残業代チェッカー at none against LifeCoster's shown. 残業代チェッカー also leads on iOS requirement (13.0 vs 17.0). LifeCoster's advantage is update cadence (every 4 days vs every 4 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 残業代チェッカー sells 1 one-off in-app purchase and LifeCoster sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

残業代チェッカー ships an update every 4 weeks, LifeCoster every 4 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 残業代チェッカー | LifeCoster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 32 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) | [SHOTARO TAKAHASHI](https://appshunter.io/developer/6777748605) |

## What reviewers say

### 残業代チェッカー

[App page](https://appshunter.io/ios/app/id6780129355)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 残業代チェッカー プレミアム | $3.99 | one-time |


### LifeCoster

[App page](https://appshunter.io/ios/app/lifecoster/id6780985357)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を消す＆ゲームスタイルの解禁 | $0.49 | one-time |


## Frequently asked questions

### Is 残業代チェッカー free?

残業代チェッカー is free to download, with in-app purchases available.

### Is LifeCoster free?

LifeCoster is free to download, with in-app purchases available.

### Do 残業代チェッカー or LifeCoster have ads?

LifeCoster shows ads; 残業代チェッカー does not.

### Which is updated more often, 残業代チェッカー or LifeCoster?

残業代チェッカー ships an update every 4 weeks, and LifeCoster every 4 days. Most recently, 残業代チェッカー was updated on October 8, 2026 and LifeCoster on October 11, 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.*