# PostureMax vs Aetheria

The clearest difference is update cadence: PostureMax at weekly against Aetheria's every 4 months. Aetheria's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PostureMax sells 2 in-app purchases, starting at $3.99 per month and Aetheria sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PostureMax ships an update weekly, Aetheria every 4 months. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PostureMax | Aetheria |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/posturemax-posture-coach/id6744338689/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 157 MB | 57 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Hegarty](https://appshunter.io/developer/1807165910) | [Alperen Eroglu](https://appshunter.io/developer/1872514816) |

## What reviewers say

### PostureMax

[App page](https://appshunter.io/ios/app/posturemax-posture-coach/id6744338689)

This app uses your AirPods for real-time posture tracking and AI analysis to help you improve your posture habits. It offers personalized exercises and coaching to build lasting changes for a healthier, pain-free life. Ideal for anyone experiencing discomfort or focusing on alignment.

**Highlights:** Real-time AirPods posture monitoring, AI-powered posture analysis, Personalized AI posture coach, Habit building tools, Personalized exercise library, Privacy-focused data handling

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription to Slouch AI | $3.99 | per month |
| Annual Subscription to Slouch AI | $29.99 | per year |


### Aetheria

[App page](https://appshunter.io/ios/app/aetheria-spatial-audio-focus/id6758530597)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aetheria Lifetime Pro | $19.99 | one-time |


## Frequently asked questions

### Is PostureMax free?

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

### Is Aetheria free?

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

### Do PostureMax or Aetheria have ads?

Neither PostureMax nor Aetheria shows ads.

### Which is updated more often, PostureMax or Aetheria?

PostureMax ships an update weekly, and Aetheria every 4 months. Most recently, PostureMax was updated on October 2, 2026 and Aetheria on October 14, 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.*