# Personal Trainer AI vs Mark

The clearest difference is monetization model: Personal Trainer AI at free with in-app purchases against Mark's subscription. Personal Trainer AI also leads on update cadence (every 6 days vs every 3 weeks). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Personal Trainer AI sells 4 in-app purchases, starting at $3.99 per month and Mark sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Personal Trainer AI ships an update every 6 days, Mark every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Personal Trainer AI | Mark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (106 ratings)](https://appshunter.io/ios/app/personal-trainer-ai/id6445799141/reviews)** | — |
| Number of ratings | **106** | — |
| Positive reviews | 94.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 243 MB | 60 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Starhive Concept Srl](https://appshunter.io/developer/1644692407) | [Flowcraft](https://appshunter.io/developer/6797198864) |

## What reviewers say

### Personal Trainer AI

[App page](https://appshunter.io/ios/app/personal-trainer-ai/id6445799141)

This app uses AI-powered form analysis and real-time feedback to guide your workouts. It creates personalized plans for various fitness goals and tracks your progress, offering a comprehensive fitness experience.

**Highlights:** AI-powered form analysis, Personalized workout plans, Real-time voice feedback, Progress tracking, Pre-made video workouts, Warm-up and cool-down routines

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $3.99 | per month |
| Unlimited access | $14.99 | per 6 months |
| Unlimited access | $24.99 | per year |
| Unlimited Access - Lifetime | $59.99 | one-time |


### Mark

[App page](https://appshunter.io/ios/app/mark-intention-journal/id6797198862)

This app helps you track your daily actions against your stated goals. It uses AI to analyze your logs and provide feedback on whether your activities are moving you forward. Includes weekly reflections and a focus on intentional living without distractions.

**Highlights:** Set 3-7 daily directions, Log quick 'marks' throughout the day, AI analysis of marks for progress feedback, Weekly reflection summaries, No points, badges, or social features, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |


## Frequently asked questions

### Is Personal Trainer AI free?

Personal Trainer AI is free to download, with in-app purchases available.

### Is Mark free?

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

### Do Personal Trainer AI or Mark have ads?

Neither Personal Trainer AI nor Mark shows ads.

### Which is updated more often, Personal Trainer AI or Mark?

Personal Trainer AI ships an update every 6 days, and Mark every 3 weeks. Most recently, Personal Trainer AI was updated on November 3, 2026 and Mark 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.*