# Muscle Booster Workout Tracker vs THRST

The clearest difference is monetization model: Muscle Booster Workout Tracker at free with in-app purchases against THRST's subscription. Muscle Booster Workout Tracker also leads on ratings volume (139K vs 1.1K) and update cadence (every 2 weeks vs monthly). THRST's advantage is review sentiment (69% vs 44%) and rating (4.8 vs 4.5). On price, ads, in-app purchases and device support 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 and THRST sells 4 in-app purchases, starting at $15.99 per month. Whichever you choose, the download price is not the number that matters.

THRST holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Muscle Booster Workout Tracker has 139K ratings behind it against 1.1K, so its average is the more settled of the two. Written reviews point the same way: 44% of Muscle Booster Workout Tracker's written reviews are positive against 69% of THRST's.

Muscle Booster Workout Tracker ships an update every 2 weeks, THRST monthly. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Muscle Booster Workout Tracker | THRST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (139K ratings)](https://appshunter.io/ios/app/muscle-booster-workout-tracker/id1446447749/reviews) | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/thrst/id1547079263/reviews)** |
| Number of ratings | **139K** | 1.1K |
| Positive reviews | 43.8% of reviews | **69.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free with in-app purchases** | Subscription |
| Best chart rank | **#61** | — |
| Size | 574 MB | 86 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [WELLTECH APPS LIMITED](https://appshunter.io/developer/1450265454) | [MIKE THURSTON LTD](https://appshunter.io/developer/1547079265) |

## What reviewers say

### Muscle Booster Workout Tracker

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

**Currently charting:** #61 Top Grossing · Health & Fitness, #107 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


### THRST

[App page](https://appshunter.io/ios/app/thrst/id1547079263)

Access a vast library of training guides and personalized workout recommendations. Discover over 200 healthy meal options with preparation instructions and create custom shopping lists. Track your fitness progress with detailed analytics and video exercise demonstrations.

**Highlights:** 30+ physique-altering training guides, Personalized guide recommendations, 200+ healthy meal options, Weekly shopping lists, Exercise video demonstrations, Progress tracking dashboard, Knowledge library with exclusive content

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $15.99 | per month |
| 1 Month Subscription | $24.99 | per month |
| Quarterly Subscription | $57.99 | per 3 months |
| Annual | $174.99 | per year |

**What reviewers like**

- 🚀 Awesome app
- 👍 Great workouts
- 👍 Simple and easy to use
- 👍 Effective for results
- 👍 Comprehensive app

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 🐛 Crashes and freezes
- 🐛 Tracking issues
- 🐛 Inconsistent performance
- 🐛 Needs more stability and reliability

**Reported bugs**

- Workout history tracking issues
- Back button functionality problems
- Inconsistent weight/rep recording
- Freezing and crashing during use
- Incorrect exercise substitutions

**Requested features**

- Add ability to create custom workouts
- Improve weight/rep tracking accuracy
- Implement offline workout access
- Enhance UI/UX for better usability
- Add more workout plan variety


## Frequently asked questions

### Is Muscle Booster Workout Tracker free?

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

### Is THRST free?

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

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

THRST is rated higher. Muscle Booster Workout Tracker averages 4.5 out of 5 from 139K ratings, while THRST averages 4.8 from 1.1K ratings.

### Do Muscle Booster Workout Tracker or THRST have ads?

Neither Muscle Booster Workout Tracker nor THRST shows ads.

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

Muscle Booster Workout Tracker ships an update every 2 weeks, and THRST monthly. Most recently, Muscle Booster Workout Tracker was updated on October 28, 2026 and THRST on October 27, 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.*