# Gymax vs Sleep Pattern Lab

The clearest difference is in-app purchases: Sleep Pattern Lab at none against Gymax's 9. Sleep Pattern Lab also leads on update cadence (daily vs every 3 weeks). Gymax's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Gymax sells 9 in-app purchases, starting at $19.99 per month. Sleep Pattern Lab asks for nothing beyond the download.

Gymax ships an update every 3 weeks, Sleep Pattern Lab daily. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Gymax | Sleep Pattern Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (163 ratings)](https://appshunter.io/ios/app/gymax-muscle-workout-planner/id6755142076/reviews)** | — |
| Number of ratings | **163** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 123 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Core AI](https://appshunter.io/developer/1846552725) | [Matthew Maddern](https://appshunter.io/developer/6787945319) |

## What reviewers say

### Gymax

[App page](https://appshunter.io/ios/app/gymax-muscle-workout-planner/id6755142076)

This AI-powered fitness app creates personalized workout plans based on your fitness level, goals, and available equipment. It offers over 600 exercises and 200 workouts, tracks progress, and integrates with Apple Health for a comprehensive view of your fitness journey.

**Highlights:** AI-driven personalized workout plans, 600+ guided exercises, 200+ expert-designed workouts, Progress tracking and analysis, Apple Health integration, Bodyweight and equipment-based training

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gymax Monthly Premium | $19.99 | per month |
| Gymax Half-year Premium | $29.99 | per 6 months |
| Gymax Quarterly Premium | $29.99 | per 3 months |
| Gymax Yearly Premium | $29.99 | per year |
| Gymax Yearly Premium | $39.99 | per year |
| Gymax Yearly Premium | $39.99 | per year |
| Gymax Yearly Premium | $39.99 | per year |
| Gymax Yearly Premium | $79.99 | per year |
| Gymax Yearly Premium | $79.99 | per year |


### Sleep Pattern Lab

[App page](https://appshunter.io/ios/app/sleep-pattern-lab/id6787945317)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gymax free?

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

### Is Sleep Pattern Lab free?

Sleep Pattern Lab is free to download, with no in-app purchases.

### Do Gymax or Sleep Pattern Lab have ads?

Neither Gymax nor Sleep Pattern Lab shows ads.

### Which is updated more often, Gymax or Sleep Pattern Lab?

Gymax ships an update every 3 weeks, and Sleep Pattern Lab daily. Most recently, Gymax was updated on October 24, 2026 and Sleep Pattern Lab on October 17, 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.*