# Best Interval Timer Pro vs 膝蓋運動助手

The clearest difference is price: 膝蓋運動助手 at Free against Best Interval Timer Pro's $0.99. 膝蓋運動助手 also leads on in-app purchases (none vs 3) and update cadence (every 2 months vs every 13 months). On ads and device support there is nothing between them.

膝蓋運動助手 is free to download; Best Interval Timer Pro costs $0.99 up front. Best Interval Timer Pro sells 3 in-app purchases, starting at $0.99 per month. 膝蓋運動助手 asks for nothing beyond the download.

Best Interval Timer Pro ships an update every 13 months, 膝蓋運動助手 every 2 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Best Interval Timer Pro | 膝蓋運動助手 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (14 ratings)](https://appshunter.io/ios/app/best-interval-timer-pro/id545235730/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 88.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 55 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [倩 赵](https://appshunter.io/developer/376557917) | [The University of Hong Kong](https://appshunter.io/developer/451384643) |

## What reviewers say

### Best Interval Timer Pro

[App page](https://appshunter.io/ios/app/best-interval-timer-pro/id545235730)

This app acts as a personal coach, guiding you through various workouts with customizable interval timers. It supports multiple exercise types and allows for unlimited routine creation, ensuring you can focus on your fitness goals without tracking time.

**Highlights:** Customizable interval timers, Unlimited routine creation, Pre-set editable routines, Background and multitasking support, Vibration and sound alerts, Music playback support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - 1 month | $0.99 | per month |
| Premium - 6 months | $5.49 | per 6 months |
| Premium - 1 year | $9.99 | per year |


### 膝蓋運動助手

[App page](https://appshunter.io/ios/app/id1592256596)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Best Interval Timer Pro free?

Best Interval Timer Pro costs $0.99, and also offers in-app purchases.

### Is 膝蓋運動助手 free?

膝蓋運動助手 is free to download, with no in-app purchases.

### Do Best Interval Timer Pro or 膝蓋運動助手 have ads?

Neither Best Interval Timer Pro nor 膝蓋運動助手 shows ads.

### Which is updated more often, Best Interval Timer Pro or 膝蓋運動助手?

Best Interval Timer Pro ships an update every 13 months, and 膝蓋運動助手 every 2 months. Most recently, Best Interval Timer Pro was updated on October 14, 2026 and 膝蓋運動助手 on October 6, 2026.

---

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