# U Gym vs LeanLog

The clearest difference is in-app purchases: U Gym at none against LeanLog's 3. U Gym also leads on ratings volume (14 vs 1). LeanLog's advantage is update cadence (every 8 days vs every 2 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. LeanLog sells 3 in-app purchases, starting at $4.99 per month. U Gym asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for U Gym against 5.0 for LeanLog. That said, the two scores are not equally well evidenced: U Gym has 14 ratings behind it against 1, so its average is the more settled of the two.

U Gym ships an update every 2 months, LeanLog every 8 days. The most recent releases landed on September 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | U Gym | LeanLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (14 ratings)](https://appshunter.io/ios/app/u-gym/id6446499522/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/leanlog-stack-tracker/id6762533297/reviews)** |
| Number of ratings | **14** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 168 MB | 47 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gym U NYC LLC](https://appshunter.io/developer/1678122046) | [Ghada Mostafa](https://appshunter.io/developer/1880522777) |

## What reviewers say

### U Gym

[App page](https://appshunter.io/ios/app/u-gym/id6446499522)

Track workouts, meals, and body measurements with your personal trainer. Access training plans, schedule sessions, and monitor progress towards your fitness goals. Stay motivated by beating personal bests and receive real-time coaching support.

**Highlights:** Workout tracking, Meal logging, Progress monitoring, Personalized training plans, Real-time coach messaging, Body measurement tracking, Wearable device integration

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### LeanLog

[App page](https://appshunter.io/ios/app/leanlog-stack-tracker/id6762533297)

This app helps users meticulously log personal research protocols, focusing on peptides and GLP-1. It offers features like a daily dashboard, compound tracking, and a reconstitution calculator, all while prioritizing on-device privacy and security. Advanced features are available through a subscription.

**Highlights:** Daily dashboard for key metrics, Compound tracking with reminders, Reconstitution calculator, Weight tracking with Apple Health sync, iOS home screen widgets, Injection site map, Private progress photo log

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $29.99 | per year |
| Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is U Gym free?

U Gym is free to download, with no in-app purchases.

### Is LeanLog free?

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

### Which has better reviews, U Gym or LeanLog?

LeanLog is rated higher. U Gym averages 4.9 out of 5 from 14 ratings, while LeanLog averages 5.0 from 1 ratings.

### Do U Gym or LeanLog have ads?

Neither U Gym nor LeanLog shows ads.

### Which is updated more often, U Gym or LeanLog?

U Gym ships an update every 2 months, and LeanLog every 8 days. Most recently, U Gym was updated on September 16, 2026 and LeanLog on October 1, 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.*