# Lean vs 羽迹

The clearest difference is price: Lean at Free against 羽迹's $0.99. Lean also leads on device support (4 vs 2) and iOS requirement (14.0 vs 17.0). 羽迹's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs monthly). On ads there is nothing between them.

Lean is free to download; 羽迹 costs $0.99 up front. Lean sells 1 one-off in-app purchase. 羽迹 asks for nothing beyond the download.

Lean ships an update monthly, 羽迹 every 2 days. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Lean | 羽迹 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (65 ratings)](https://appshunter.io/ios/app/lean/id1435069659/reviews)** | — |
| Number of ratings | **65** | — |
| Positive reviews | 89.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 42 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [家浩 汪](https://appshunter.io/developer/1071202242) | [Hangzhou Yingshu Technology Co., Ltd.](https://appshunter.io/developer/6805345408) |

## What reviewers say

### Lean

[App page](https://appshunter.io/ios/app/lean/id1435069659)

This app uses motion sensors to count repetitions and track time for bodyweight exercises. Create custom workout plans and sync data with Apple Health.

**Highlights:** Repetition counter, Bodyweight exercise library, Custom workout plans, Voice tips, Workout and calorie tracking, Apple HealthKit integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $5.99 | one-time |


### 羽迹

[App page](https://appshunter.io/ios/app/id6805345406)

This app records your badminton training data, tracking swing counts, shot types, maximum swing speed, and heart rate. It provides detailed reports on your performance, allowing you to monitor progress and compare trends over time. All data is stored locally on your device for privacy.

**Highlights:** Automatic swing detection (forehand/backhand), Shot classification (smash, clear), Maximum swing speed measurement, Heart rate and calorie tracking, Detailed performance reports, Local data storage for privacy

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Lean free?

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

### Is 羽迹 free?

羽迹 costs $0.99, with no in-app purchases.

### Do Lean or 羽迹 have ads?

Neither Lean nor 羽迹 shows ads.

### Which is updated more often, Lean or 羽迹?

Lean ships an update monthly, and 羽迹 every 2 days. Most recently, Lean was updated on October 13, 2026 and 羽迹 on October 17, 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.*