# JuggernautAI vs Five/Three/One

The clearest difference is monetization model: Five/Three/One at free with in-app purchases against JuggernautAI's subscription. Five/Three/One also leads on iOS requirement (12.0 vs 15.6). JuggernautAI's advantage is update cadence (every 4 days vs every 2 weeks) and ratings volume (5.7K vs 1.2K). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. JuggernautAI sells 1 in-app purchase, starting at $34.99 per month and Five/Three/One sells 6 one-off in-app purchases. 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 4.9 for Five/Three/One. Both are backed by a comparable volume of ratings — 5.7K and 1.2K respectively. Written reviews are what separate them: 73% of JuggernautAI's written reviews are positive against 78% of Five/Three/One's.

JuggernautAI ships an update every 4 days, Five/Three/One every 2 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | JuggernautAI | Five/Three/One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5.7K ratings)](https://appshunter.io/ios/app/juggernautai/id1515756471/reviews) | **[4.9 (1.2K ratings)](https://appshunter.io/ios/app/fivethreeone-531-workouts/id1560266240/reviews)** |
| Number of ratings | **5.7K** | 1.2K |
| Positive reviews | 72.7% of reviews | **78.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 108 MB | 37 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Juggernaut Apps](https://appshunter.io/developer/1627775482) | [Strong Pigeon LLC](https://appshunter.io/developer/1560266242) |

## 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


### Five/Three/One

[App page](https://appshunter.io/ios/app/fivethreeone-531-workouts/id1560266240)

This app helps weightlifters follow Jim Wendler's 5/3/1 program by automating cycle calculations, plate suggestions, and progress tracking. It eliminates the need for paper logs or spreadsheets, focusing on strength gains. Features include rest timers, workout scheduling, and Apple Health integration.

**Highlights:** 5/3/1 cycle planning and scheduling, Progress charting, Rest timer with notifications, Automatic plate calculation, Next cycle calculation based on performance, Home screen widget, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Weight Plates | $2.99 | one-time |
| Tip | $4.99 | one-time |
| Beyond 5/3/1 Pack | $5.99 | one-time |
| Custom Assistance | $8.99 | one-time |
| Large Tip | $9.99 | one-time |
| Enormous Tip | $24.99 | one-time |

**What reviewers like**

- 💻 Excellent app for 5/3/1 programming
- 📊 Provides great tracking and progress monitoring
- 🔢 Automatic weight and plate calculations
- ⏱️ Built-in rest timers and workout flow
- 🎨 Clean and intuitive user interface

**What reviewers complain about**

- 🗓️ Rigid scheduling and inability to reschedule missed workouts
- 🔒 Limited customization options for assistance exercises
- 🔀 Difficulty in reordering or supersetting exercises
- 🐛 Occasional bugs and data loss issues
- ⚠️ Lack of Apple Watch integration

**Reported bugs**

- Workout data occasionally lost or not syncing properly
- Calendar and scheduling issues when trying to reschedule missed workouts
- Plate calculation bugs leading to incorrect weight displays
- Occasional app freezes and crashes

**Requested features**

- Allow more flexibility in scheduling and rescheduling workouts
- Provide customization options for assistance exercises
- Implement superset and out-of-order exercise completion
- Add support for Apple Watch integration
- Incorporate additional 5/3/1 program variations (e.g., Bodybuilder, Monolith)


## Frequently asked questions

### Is JuggernautAI free?

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

### Is Five/Three/One free?

Five/Three/One is free to download, with in-app purchases available.

### Which has better reviews, JuggernautAI or Five/Three/One?

Five/Three/One is rated higher. JuggernautAI averages 4.8 out of 5 from 5.7K ratings, while Five/Three/One averages 4.9 from 1.2K ratings.

### Do JuggernautAI or Five/Three/One have ads?

Neither JuggernautAI nor Five/Three/One shows ads.

### Which is updated more often, JuggernautAI or Five/Three/One?

JuggernautAI ships an update every 4 days, and Five/Three/One every 2 weeks. Most recently, JuggernautAI was updated on September 23, 2026 and Five/Three/One on September 24, 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.*