# JuggernautAI vs BUFF | Gym Workout Tracker

The clearest difference is monetization model: BUFF | Gym Workout Tracker at free with in-app purchases against JuggernautAI's subscription. BUFF | Gym Workout Tracker also leads on review sentiment (85% vs 73%). JuggernautAI's advantage is update cadence (every 4 days vs fortnightly) and ratings volume (5.7K vs 265). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. JuggernautAI sells 1 in-app purchase, starting at $34.99 per month and BUFF | Gym Workout Tracker sells 2 in-app purchases, starting at $12.99 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 — 4.8 for JuggernautAI against 4.8 for BUFF | Gym Workout Tracker. That said, the two scores are not equally well evidenced: JuggernautAI has 5.7K ratings behind it against 265, so its average is the more settled of the two. Written reviews are what separate them: 73% of JuggernautAI's written reviews are positive against 85% of BUFF | Gym Workout Tracker's.

JuggernautAI ships an update every 4 days, BUFF | Gym Workout Tracker fortnightly. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | JuggernautAI | BUFF | Gym Workout Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5.7K ratings)](https://appshunter.io/ios/app/juggernautai/id1515756471/reviews) | [4.8 (265 ratings)](https://appshunter.io/ios/app/buff-gym-workout-tracker/id6480278630/reviews) |
| Number of ratings | **5.7K** | 265 |
| Positive reviews | 72.7% of reviews | **85.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 108 MB | 208 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Juggernaut Apps](https://appshunter.io/developer/1627775482) | [Buff Dudes LLC](https://appshunter.io/developer/1738608861) |

## What reviewers say

### JuggernautAI

[App page](https://appshunter.io/ios/app/juggernautai/id1515756471)

This app uses AI to create personalized strength training programs for powerlifting and powerbuilding. It adapts to your feedback and goals, optimizing volume, frequency, and exercise selection for maximum strength gains and recovery.

**Highlights:** AI-generated personalized workout plans, Powerlifting and Powerbuilding goal focus, Adaptive training based on real-time feedback, Optimized training frequency and volume, Exercise selection for weak points, Periodization strategy for fatigue management

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JuggernautAI Monthly | $34.99 | per month |

**What reviewers like**

- 🚀 Excellent programming and customization
- 👍 Detailed and user-friendly app
- 🔍 Adjusts based on user feedback
- 📈 Helps users achieve their goals
- 💪 Effective for building strength and muscle

**What reviewers complain about**

- 💰 Expensive monthly subscription
- 🔒 Paywall restricts access to full app
- 🕰️ Excessive time required for workouts
- 🐛 Occasional bugs and glitches

**Reported bugs**

- Clearing of workout history after each block
- Issues with the auto-timer feature
- Problems with selecting dates and times during setup

**Requested features**

- Integration with Apple Health or other fitness apps
- More flexibility in scheduling and workout days
- Improved exercise library and replacement options
- Better tracking and history of past workouts


### BUFF | Gym Workout Tracker

[App page](https://appshunter.io/ios/app/buff-gym-workout-tracker/id6480278630)

This app helps users track gym workouts, log sets and reps, and monitor personal records. It offers video demonstrations for exercises, customizable workout plans, and community features to share progress and stay motivated.

**Highlights:** Dynamic workout and progress tracking, Extensive exercise library with video demonstrations, Customizable workout routines and pre-designed plans, Detailed progress graphs and muscle usage visualization, Community and social sharing features, Gamified progress with achievements and medals

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.99 | per month |
| Yearly | $99.99 | per year |

**What reviewers like**

- 🚀 Intuitive interface
- 👍 Gamification and leveling up
- 🚀 Detailed exercise tutorials
- 👍 Customizable workout plans
- 👍 Community features

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔒 Login and account issues
- 💰 Expensive subscription
- 🔇 Lack of sound controls

**Reported bugs**

- Failure to load or save workouts
- Unresponsive login button
- White screen issue on iOS

**Requested features**

- Apple Watch integration
- Garmin/MyFitnessPal integration
- Ability to delete workout history
- Replacement exercises for home gym equipment


## Frequently asked questions

### Is JuggernautAI free?

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

### Is BUFF | Gym Workout Tracker free?

BUFF | Gym Workout Tracker is free to download, with in-app purchases available.

### Which has better reviews, JuggernautAI or BUFF | Gym Workout Tracker?

JuggernautAI and BUFF | Gym Workout Tracker are both rated 4.8 out of 5 on the App Store, from 5.7K and 265 ratings respectively.

### Do JuggernautAI or BUFF | Gym Workout Tracker have ads?

Neither JuggernautAI nor BUFF | Gym Workout Tracker shows ads.

### Which is updated more often, JuggernautAI or BUFF | Gym Workout Tracker?

JuggernautAI ships an update every 4 days, and BUFF | Gym Workout Tracker fortnightly. Most recently, JuggernautAI was updated on October 14, 2026 and BUFF | Gym Workout Tracker on October 15, 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.*