# Smart Racket vs 脊柱侧弯cobb角测量

The clearest difference is iOS requirement: Smart Racket at 9.0 against 脊柱侧弯cobb角测量's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Racket ships an update every 4 weeks, 脊柱侧弯cobb角测量 fortnightly. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Smart Racket | 脊柱侧弯cobb角测量 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/cobb/id1620870773/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 227 MB | 15 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Coollang Cloud Computing Co., Ltd.](https://appshunter.io/developer/1020725264) | [Shenzhen Chenxi Information Technology Co., Ltd](https://appshunter.io/developer/1526035453) |

## What reviewers say

### Smart Racket

[App page](https://appshunter.io/ios/app/smart-racket/id1543716889)

**Features:** macOS Compatibility

**In-app purchases:** none


### 脊柱侧弯cobb角测量

[App page](https://appshunter.io/ios/app/cobb/id1620870773)

This app automatically measures Cobb angles for scoliosis using X-ray images. It offers an accuracy rate of over 95% and allows for manual adjustments to improve results. The measurements are intended for professional reference only.

**Highlights:** Automatic Cobb angle measurement, Upload X-ray images, High accuracy (>95%), Manual angle correction, Reference for professional use

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Racket free?

Smart Racket is free to download, with no in-app purchases.

### Is 脊柱侧弯cobb角测量 free?

脊柱侧弯cobb角测量 is free to download, with no in-app purchases.

### Do Smart Racket or 脊柱侧弯cobb角测量 have ads?

Neither Smart Racket nor 脊柱侧弯cobb角测量 shows ads.

### Which is updated more often, Smart Racket or 脊柱侧弯cobb角测量?

Smart Racket ships an update every 4 weeks, and 脊柱侧弯cobb角测量 fortnightly. Most recently, Smart Racket was updated on September 15, 2026 and 脊柱侧弯cobb角测量 on September 10, 2026.

---

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