# Muscle Booster Workout Tracker vs OU7 Training

Muscle Booster Workout Tracker and OU7 Training both sit at 4.5 stars, but that hides the real split: 88% of OU7 Training's written reviews are positive against 44% of Muscle Booster Workout Tracker's. OU7 Training also leads on in-app purchases (none vs 22). Muscle Booster Workout Tracker's advantage is ratings volume (138K vs 131) and chart position (#57 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Muscle Booster Workout Tracker sells 16 in-app purchases, starting at $9.99 per 7 days. OU7 Training asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Muscle Booster Workout Tracker against 4.6 for OU7 Training. That said, the two scores are not equally well evidenced: Muscle Booster Workout Tracker has 138K ratings behind it against 131, so its average is the more settled of the two. Written reviews are what separate them: 44% of Muscle Booster Workout Tracker's written reviews are positive against 88% of OU7 Training's.

Muscle Booster Workout Tracker ships an update every 2 weeks, OU7 Training every 4 weeks. The most recent releases landed on September 28, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Muscle Booster Workout Tracker | OU7 Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (138K ratings)](https://appshunter.io/ios/app/muscle-booster-workout-tracker/id1446447749/reviews) | **[4.6 (131 ratings)](https://appshunter.io/ios/app/ou7-training-workout-plus-ai/id1487763621/reviews)** |
| Number of ratings | **138K** | 131 |
| Positive reviews | 43.5% of reviews | **88.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#57** | — |
| Size | 574 MB | 171 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [WELLTECH APPS LIMITED](https://appshunter.io/developer/1450265454) | [Otabek Umarov](https://appshunter.io/developer/1496188843) |

## What reviewers say

### Muscle Booster Workout Tracker

[App page](https://appshunter.io/ios/app/muscle-booster-workout-tracker/id1446447749)

**Currently charting:** #57 Top Grossing · Health & Fitness, #63 Top Free · Health & Fitness (US App Store)

This app acts as a personal trainer, creating customized workout plans for muscle gain, weight loss, or recovery. It offers a vast library of exercises and challenges for home or gym, adapting to your available equipment and goals.

**Highlights:** Personalized workout plans, 1000+ exercise library, Home and gym workouts, Calisthenics and weight loss plans, Workout timer and audio tips, Equipment-based plan creation, Muscle recovery guidance

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Subscription | $9.99 | per 7 days |
| 1 Week Subscription | $9.99 | per 7 days |
| 1 Week Subscription | $14.99 | per 7 days |
| 1 Month Premium | $14.99 | per month |
| Muscle Booster | $14.99 | per month |
| Muscle Booster Workout Premium | $19.99 | per month |
| 1 Month Subscription | $19.99 | per month |
| 1 Month 22.99 with 7-day free trial | $22.99 | per month |
| 1 Month Subscription | $24.99 | per month |
| 3 Month Subscription | $29.99 | per 3 months |
| 3 Month Premium | $39.99 | per 3 months |
| 3 Months Subscription | $39.99 | per 3 months |
| 1 Year Premium | $59.99 | per year |
| Muscle Booster Premium | $59.99 | per year |
| 12 Month Subscription | $79.99 | per year |
| Premium Bundle | $29.99 | one-time |

**What reviewers like**

- 🚀 Great workouts
- 👍 Easy to follow
- 👍 Variety of exercises
- 🚀 Customizable plans
- 👍 Helpful for beginners

**What reviewers complain about**

- 🐛 Buggy app performance
- 🔒 Lack of free trial
- 💰 Expensive subscription
- 👎 Limited gym equipment options
- 👎 Repetitive exercises

**Reported bugs**

- Workouts not logging properly
- App freezing and crashing
- Sync issues with Apple Watch
- Inaccurate exercise counting
- Inability to contact customer support

**Requested features**

- Ability to track progress and weights
- Better integration with Apple Health
- More personalized meal plans
- Ability to customize workout schedules
- Audio/voice guidance during workouts


### OU7 Training

[App page](https://appshunter.io/ios/app/ou7-training-workout-plus-ai/id1487763621)

Access a variety of workout videos, guided exercises, and group fitness classes. Track your nutrition with an AI-powered calorie counter, create personalized meal plans, and monitor your water intake. Stay motivated with challenges and sync with wearables for advanced performance tracking.

**Highlights:** Workout videos with detailed instructions, AI-powered calorie and nutrition tracking, Personalized meal and water plans, Group fitness classes (DanceFit, Yoga, HIIT), Walk and run tracking with map support, Heart rate monitor integration, Fitness challenges

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

**In-app purchases:** none


## Frequently asked questions

### Is Muscle Booster Workout Tracker free?

Muscle Booster Workout Tracker is free to download, with in-app purchases available.

### Is OU7 Training free?

OU7 Training is free to download, with no in-app purchases.

### Which has better reviews, Muscle Booster Workout Tracker or OU7 Training?

OU7 Training is rated higher. Muscle Booster Workout Tracker averages 4.5 out of 5 from 138K ratings, while OU7 Training averages 4.6 from 131 ratings.

### Do Muscle Booster Workout Tracker or OU7 Training have ads?

Neither Muscle Booster Workout Tracker nor OU7 Training shows ads.

### Which is updated more often, Muscle Booster Workout Tracker or OU7 Training?

Muscle Booster Workout Tracker ships an update every 2 weeks, and OU7 Training every 4 weeks. Most recently, Muscle Booster Workout Tracker was updated on September 28, 2026 and OU7 Training on September 26, 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.*