# 读心术 vs CatFit Timer

The clearest difference is in-app purchases: 读心术 at none against CatFit Timer's 3. 读心术 also leads on iOS requirement (8.1 vs 17.0). CatFit Timer's advantage is update cadence (every 2 weeks vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. CatFit Timer sells 3 one-off in-app purchases. 读心术 asks for nothing beyond the download.

读心术 ships an update every 9 months, CatFit Timer every 2 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 读心术 | CatFit Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/catfit-timer/id6751099867/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | — | Paid |
| Size | 23 MB | 11 MB |
| Requires iOS | **8.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [小丽 黄](https://appshunter.io/developer/1053385224) | [宇鹏 王](https://appshunter.io/developer/581656608) |

## What reviewers say

### 读心术

[App page](https://appshunter.io/ios/app/id1066638201)

**Features:** macOS Compatibility

**In-app purchases:** none


### CatFit Timer

[App page](https://appshunter.io/ios/app/catfit-timer/id6751099867)

A straightforward workout timer for daily exercises like planks, stretching, and interval training. Focus on your workout without distractions or complicated setup. Ideal for building consistent movement habits.

**Highlights:** Minimalist design, Instant start, Workout-oriented timer, Gentle support, No setup required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $0.99 | one-time |
| Buy Me a Coffee | $2.99 | one-time |
| Big Support | $9.99 | one-time |


## Frequently asked questions

### Is 读心术 free?

读心术 is free to download, with no in-app purchases.

### Is CatFit Timer free?

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

### Do 读心术 or CatFit Timer have ads?

Neither 读心术 nor CatFit Timer shows ads.

### Which is updated more often, 读心术 or CatFit Timer?

读心术 ships an update every 9 months, and CatFit Timer every 2 weeks. Most recently, 读心术 was updated on October 14, 2026 and CatFit Timer 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.*