# JengaLife vs Lean · 薄肌

The clearest difference is update cadence: Lean · 薄肌 at every 3 weeks against JengaLife's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. JengaLife sells 1 one-off in-app purchase and Lean · 薄肌 sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

JengaLife ships an update every 5 months, Lean · 薄肌 every 3 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | JengaLife | Lean · 薄肌 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 4 MB | 37 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [阳 孙](https://appshunter.io/developer/1518808403) | [海圆 马](https://appshunter.io/developer/1896405198) |

## What reviewers say

### JengaLife

[App page](https://appshunter.io/ios/app/jengalife-habit-tracker/id6766030378)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 人生支点 Pro | $0.99 | one-time |


### Lean · 薄肌

[App page](https://appshunter.io/ios/app/lean/id6767283263)

This app is an AI-powered strength training journal that tracks your workouts, provides post-session coaching, and visualizes your progress. It offers built-in programs, custom plan creation, and AI-assisted planning based on your goals and equipment.

**Highlights:** AI-assisted workout planning, Voice and text workout logging, Post-workout AI debriefs, Set-by-set logging with PR detection, Apple Watch standalone app, HealthKit integration, 3D muscle heatmap visualization

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LumaFit Pro Monthly | $8.99 | per month |
| LumaFit Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is JengaLife free?

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

### Is Lean · 薄肌 free?

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

### Do JengaLife or Lean · 薄肌 have ads?

Neither JengaLife nor Lean · 薄肌 shows ads.

### Which is updated more often, JengaLife or Lean · 薄肌?

JengaLife ships an update every 5 months, and Lean · 薄肌 every 3 weeks. Most recently, JengaLife was updated on October 24, 2026 and Lean · 薄肌 on October 22, 2026.

---

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