# Trion vs Muscle Booster Workout Tracker

The clearest difference is monetization model: Muscle Booster Workout Tracker at free with in-app purchases against Trion's subscription. Muscle Booster Workout Tracker also leads on ads (none vs shown) and ratings volume (138K vs 9). Trion's advantage is review sentiment (81% vs 43%) and rating (5.0 vs 4.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Trion sells 6 in-app purchases, starting at $9.49 per month and Muscle Booster Workout Tracker sells 16 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Trion holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Muscle Booster Workout Tracker has 138K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 81% of Trion's written reviews are positive against 43% of Muscle Booster Workout Tracker's.

Trion ships an update every 2 months, Muscle Booster Workout Tracker every 2 weeks. The most recent releases landed on September 14, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Trion | Muscle Booster Workout Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/trion-workouts-improved/id1327412701/reviews)** | [4.5 (138K ratings)](https://appshunter.io/ios/app/muscle-booster-workout-tracker/id1446447749/reviews) |
| Number of ratings | 9 | **138K** |
| Positive reviews | **80.8% of reviews** | 43.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Best chart rank | — | **#57** |
| Size | 65 MB | 574 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Health Innovation by Trion AB](https://appshunter.io/developer/1361536576) | [WELLTECH APPS LIMITED](https://appshunter.io/developer/1450265454) |

## What reviewers say

### Trion

[App page](https://appshunter.io/ios/app/trion-workouts-improved/id1327412701)

This app offers personalized workout plans tailored to your fitness level, goals, and preferences. It provides exercise instruction videos, allows for flexible workout locations and times, and includes gamification to track progress. Specialized programs are available for specific sports.

**Highlights:** Smart workout generator, Personalized training plans, Exercise instruction videos, Workout anywhere, anytime, Gamification system, Apple Health integration, Sport-specific training

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $9.49 | per month |
| 3 months | $21.99 | per 3 months |
| 1 month | $22.99 | per month |
| 3 months | $45.99 | per 3 months |
| 12 months | $69.99 | per year |
| 12 months | $109.99 | per year |


### Muscle Booster Workout Tracker

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

**Currently charting:** #57 Top Grossing · Health & Fitness, #60 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


## Frequently asked questions

### Is Trion free?

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

### Is Muscle Booster Workout Tracker free?

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

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

Trion is rated higher. Trion averages 5.0 out of 5 from 9 ratings, while Muscle Booster Workout Tracker averages 4.5 from 138K ratings.

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

Trion shows ads; Muscle Booster Workout Tracker does not.

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

Trion ships an update every 2 months, and Muscle Booster Workout Tracker every 2 weeks. Most recently, Trion was updated on September 14, 2026 and Muscle Booster Workout Tracker on September 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.*