# prefeo Smart Badminton vs Starrett System

The clearest difference is rating: Starrett System at 5.0 against prefeo Smart Badminton's 1.0. Starrett System also leads on ratings volume (6 vs 1). prefeo Smart Badminton's advantage is update cadence (every 11 days vs every 3 weeks) and iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Starrett System holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Starrett System has 6 ratings behind it against 1, so its average is the more settled of the two.

prefeo Smart Badminton ships an update every 11 days, Starrett System every 3 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | prefeo Smart Badminton | Starrett System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/prefeo-smart-badminton/id1247798480/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/starrett-system/id6740607477/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 166 MB | 427 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Coollang Cloud Computing Co., Ltd.](https://appshunter.io/developer/1020725264) | [The Ready State Inc.](https://appshunter.io/developer/1311499696) |

## What reviewers say

### prefeo Smart Badminton

[App page](https://appshunter.io/ios/app/prefeo-smart-badminton/id1247798480)

This app uses motion sensor technology and intelligent software to accurately record badminton racket movements. It provides data analysis to help players understand their style and improve skills through instructional videos and competitive challenges.

**Highlights:** Accurate motion data recording, Player and batting style analysis, Systematic instructional videos, Diversified competitive challenges, Bluetooth wireless transmission

**Features:** macOS Compatibility

**In-app purchases:** none


### Starrett System

[App page](https://appshunter.io/ios/app/starrett-system/id6740607477)

This comprehensive 90-day fitness, movement, and nutrition program helps you build a functional, durable, and resilient body for life. It includes expert-led training, mobility and recovery sessions, nutrition guidance, and habit tracking tools.

**Highlights:** 90-day progressive strength and interval training, Mobility and recovery sessions, Macro-based nutrition guidance, Habit tracking and goal setting, Resource vault with pain protocols and recipes, Syncs with Health app

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

**In-app purchases:** none


## Frequently asked questions

### Is prefeo Smart Badminton free?

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

### Is Starrett System free?

Starrett System is free to download, with no in-app purchases.

### Which has better reviews, prefeo Smart Badminton or Starrett System?

Starrett System is rated higher. prefeo Smart Badminton averages 1.0 out of 5 from 1 ratings, while Starrett System averages 5.0 from 6 ratings.

### Do prefeo Smart Badminton or Starrett System have ads?

Neither prefeo Smart Badminton nor Starrett System shows ads.

### Which is updated more often, prefeo Smart Badminton or Starrett System?

prefeo Smart Badminton ships an update every 11 days, and Starrett System every 3 weeks. Most recently, prefeo Smart Badminton was updated on October 8, 2026 and Starrett System 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.*