# MuscleLab vs AI trAIner PRO

The clearest difference is in-app purchases: MuscleLab at none against AI trAIner PRO's 2. AI trAIner PRO's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. AI trAIner PRO sells 2 in-app purchases, starting at $9.99 per month. MuscleLab asks for nothing beyond the download.

MuscleLab ships an update weekly, AI trAIner PRO every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MuscleLab | AI trAIner PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ai-trainer-pro/id6757491828/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 48 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ilya Valasiuk](https://appshunter.io/developer/1861559036) | [Graf x Apps LLC](https://appshunter.io/developer/1462633882) |

## What reviewers say

### MuscleLab

[App page](https://appshunter.io/ios/app/musclelab/id6756586925)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI trAIner PRO

[App page](https://appshunter.io/ios/app/ai-trainer-pro/id6757491828)

This AI assistant helps fitness professionals create personalized workout programs for clients in minutes. It learns your coaching style and adapts future sessions based on client progress and available equipment.

**Highlights:** AI session generation, Personalized training roadmaps, Client profile management, Flexible equipment adaptation, Trainer notes and cues, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| trAIner PRO Early Access | $9.99 | per month |
| trAIner PRO Unlimited Monthly | $19.99 | per month |


## Frequently asked questions

### Is MuscleLab free?

MuscleLab is free to download, with no in-app purchases.

### Is AI trAIner PRO free?

AI trAIner PRO is free to download, with in-app purchases available.

### Do MuscleLab or AI trAIner PRO have ads?

Neither MuscleLab nor AI trAIner PRO shows ads.

### Which is updated more often, MuscleLab or AI trAIner PRO?

MuscleLab ships an update weekly, and AI trAIner PRO every 4 days. Most recently, MuscleLab was updated on October 30, 2026 and AI trAIner PRO on October 31, 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.*