# Personal Trainer AI vs StepWatcher

The clearest difference is price: Personal Trainer AI at Free against StepWatcher's $2.99. StepWatcher's advantage is in-app purchases (none vs 5) and update cadence (every 2 days vs every 6 days). On ads, device support and iOS requirement there is nothing between them.

Personal Trainer AI is free to download; StepWatcher costs $2.99 up front. Personal Trainer AI sells 4 in-app purchases, starting at $3.99 per month. StepWatcher asks for nothing beyond the download.

Personal Trainer AI ships an update every 6 days, StepWatcher every 2 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | Personal Trainer AI | StepWatcher |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 243 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Starhive Concept Srl](https://appshunter.io/developer/1644692407) | [Shawn Bierman](https://appshunter.io/developer/1534943389) |

## 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 |


### StepWatcher

[App page](https://appshunter.io/ios/app/stepwatcher/id6764361086)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Personal Trainer AI free?

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

### Is StepWatcher free?

StepWatcher costs $2.99, with no in-app purchases.

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

Neither Personal Trainer AI nor StepWatcher shows ads.

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

Personal Trainer AI ships an update every 6 days, and StepWatcher every 2 days. Most recently, Personal Trainer AI was updated on October 21, 2026 and StepWatcher on October 21, 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.*