# Muscle Booster Workout Tracker vs Workout Builder by WorkoutLabs

Muscle Booster Workout Tracker and Workout Builder by WorkoutLabs both sit at 4.5 stars, but that hides the real split: 70% of Workout Builder by WorkoutLabs's written reviews are positive against 44% of Muscle Booster Workout Tracker's. Workout Builder by WorkoutLabs also leads on iOS requirement (15 vs 17.0). Muscle Booster Workout Tracker's advantage is ratings volume (139K vs 1K) and update cadence (every 9 days vs monthly). On price, rating, ads and in-app purchases 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 Workout Builder by WorkoutLabs sells 7 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Muscle Booster Workout Tracker against 4.7 for Workout Builder by WorkoutLabs. That said, the two scores are not equally well evidenced: Muscle Booster Workout Tracker has 139K ratings behind it against 1K, 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 70% of Workout Builder by WorkoutLabs's.

Muscle Booster Workout Tracker ships an update every 9 days, Workout Builder by WorkoutLabs monthly. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Muscle Booster Workout Tracker | Workout Builder by WorkoutLabs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (139K ratings)](https://appshunter.io/ios/app/muscle-booster-workout-tracker/id1446447749/reviews) | **[4.7 (1K ratings)](https://appshunter.io/ios/app/workout-builder-by-workoutlabs/id1470198432/reviews)** |
| Number of ratings | **139K** | 1K |
| Positive reviews | 44.1% of reviews | **70.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#68** | — |
| Size | 575 MB | 87 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [WELLTECH APPS LIMITED](https://appshunter.io/developer/1450265454) | [WorkoutLabs, LLC.](https://appshunter.io/developer/1470198431) |

## What reviewers say

### Muscle Booster Workout Tracker

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

**Currently charting:** #68 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


### Workout Builder by WorkoutLabs

[App page](https://appshunter.io/ios/app/workout-builder-by-workoutlabs/id1470198432)

Create personalized home and gym workout plans in seconds with a vast library of illustrated exercises. This app offers beginner-friendly routines, progress tracking, and flexible scheduling to help busy women build strength and consistency.

**Highlights:** Custom workout creation, 800+ illustrated exercises, Exercise filtering, Flexible exercise swapping, Home & gym training plans, Progress tracking, Workout calendar

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkoutLabs Fit: Monthly Plan | $9.99 | per month |
| Monthly Plan Unlimited | $9.99 | per month |
| WorkoutLabs Fit: Yearly Offer | $39.99 | per year |
| Daily Gym Workouts for a Year | $69.99 | per year |
| WorkoutLabs Fit: Yearly Promo | $69.99 | per year |
| WorkoutLabs Fit: Yearly Plan | $69.99 | per year |
| WorkoutLabs Fit: Lifetime Pass | $99.99 | one-time |

**What reviewers like**

- 👍 Great workouts
- 🚀 Easy to use
- 💡 Comprehensive exercise library
- 🚀 Helpful instructions and visuals
- 👍 Customizable workouts

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🐛 Freezing and crashing issues
- 🐛 Syncing and login problems
- 🔒 Subscription issues and lack of transparency
- 💡 Limited exercise customization

**Reported bugs**

- Workouts disappearing from calendar
- Inability to log in or access account
- Freezing during workouts
- Incorrect exercise information displayed

**Requested features**

- Add Apple Watch support
- Improve calendar and scheduling features
- Allow more customization of workouts
- Expand exercise library with more options
- Improve customer support and communication


## Frequently asked questions

### Is Muscle Booster Workout Tracker free?

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

### Is Workout Builder by WorkoutLabs free?

Workout Builder by WorkoutLabs is free to download, with in-app purchases available.

### Which has better reviews, Muscle Booster Workout Tracker or Workout Builder by WorkoutLabs?

Workout Builder by WorkoutLabs is rated higher. Muscle Booster Workout Tracker averages 4.5 out of 5 from 139K ratings, while Workout Builder by WorkoutLabs averages 4.7 from 1K ratings.

### Do Muscle Booster Workout Tracker or Workout Builder by WorkoutLabs have ads?

Neither Muscle Booster Workout Tracker nor Workout Builder by WorkoutLabs shows ads.

### Which is updated more often, Muscle Booster Workout Tracker or Workout Builder by WorkoutLabs?

Muscle Booster Workout Tracker ships an update every 9 days, and Workout Builder by WorkoutLabs monthly. Most recently, Muscle Booster Workout Tracker was updated on October 31, 2026 and Workout Builder by WorkoutLabs on October 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.*