# 益善正骨 vs iTimer

The clearest difference is in-app purchases: 益善正骨 at none against iTimer's 2. 益善正骨 also leads on iOS requirement (9.0 vs 17.0). iTimer's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. iTimer sells 2 in-app purchases, starting at $3.99 per month. 益善正骨 asks for nothing beyond the download.

益善正骨 ships an update every 3 months, iTimer every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 益善正骨 | iTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 58 MB | 51 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Beijing YYD Smart Health Technology Co., Ltd.](https://appshunter.io/developer/1444588691) | [Babak Shirvani](https://appshunter.io/developer/1816520297) |

## What reviewers say

### 益善正骨

[App page](https://appshunter.io/ios/app/id1581905920)

**Features:** macOS Compatibility

**In-app purchases:** none


### iTimer

[App page](https://appshunter.io/ios/app/itimer-hiit-and-interval-timer/id6762029019)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTimer Pro (Monthly) | $3.99 | per month |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is 益善正骨 free?

益善正骨 is free to download, with no in-app purchases.

### Is iTimer free?

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

### Do 益善正骨 or iTimer have ads?

Neither 益善正骨 nor iTimer shows ads.

### Which is updated more often, 益善正骨 or iTimer?

益善正骨 ships an update every 3 months, and iTimer every 3 weeks. Most recently, 益善正骨 was updated on October 25, 2026 and iTimer on October 24, 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.*