# Plank Timer vs 腰ケアストレッチ

The clearest difference is update cadence: Plank Timer at every 2 days against 腰ケアストレッチ's every 10 days. Plank Timer also leads on iOS requirement (13.0 vs 17.0). 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.

Plank Timer ships an update every 2 days, 腰ケアストレッチ every 10 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Plank Timer | 腰ケアストレッチ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 24 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoshiaki Kawano](https://appshunter.io/developer/1872698182) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### Plank Timer

[App page](https://appshunter.io/ios/app/plank-timer-core-workout-log/id6758397433)

**Features:** macOS Compatibility

**In-app purchases:** none


### 腰ケアストレッチ

[App page](https://appshunter.io/ios/app/id6760858547)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Plank Timer free?

Plank Timer is free to download, with no in-app purchases.

### Is 腰ケアストレッチ free?

腰ケアストレッチ is free to download, with no in-app purchases.

### Do Plank Timer or 腰ケアストレッチ have ads?

Neither Plank Timer nor 腰ケアストレッチ shows ads.

### Which is updated more often, Plank Timer or 腰ケアストレッチ?

Plank Timer ships an update every 2 days, and 腰ケアストレッチ every 10 days. Most recently, Plank Timer was updated on October 14, 2026 and 腰ケアストレッチ on October 7, 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.*