# The Posture Doctor vs PhysioAI

The clearest difference is in-app purchases: The Posture Doctor at none against PhysioAI's 10. PhysioAI's advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. PhysioAI sells 10 in-app purchases, starting at $6.99 per 7 days. The Posture Doctor asks for nothing beyond the download.

The Posture Doctor ships an update every 3 months, PhysioAI fortnightly. The most recent releases landed on October 6, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | The Posture Doctor | PhysioAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 56 MB | 206 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [Boonya Kitpitak](https://appshunter.io/developer/1550788895) |

## What reviewers say

### The Posture Doctor

[App page](https://appshunter.io/ios/app/the-posture-doctor/id6584523323)

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

**In-app purchases:** none


### PhysioAI

[App page](https://appshunter.io/ios/app/physioai-posture-therapy/id6756598601)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physio AI Personal Weekly | $6.99 | per 7 days |
| Starter Weekly | $9.99 | per 7 days |
| Physio AI Personal Monthly | $12.99 | per month |
| Monthly Starter | $22.99 | per month |
| Physio AI Personal Yearly V2 | $44.99 | per year |
| Physio AI Personal Yearly | $49.99 | per year |
| Physio AI Yearly V2 | $79.99 | per year |
| Starter Annual | $89.99 | per year |
| Physio AI Yearly Exclusive V1 | $299.99 | per year |
| Physio AI Pro Yearly Exclusive V1 | $499.99 | per year |


## Frequently asked questions

### Is The Posture Doctor free?

The Posture Doctor is free to download, with no in-app purchases.

### Is PhysioAI free?

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

### Do The Posture Doctor or PhysioAI have ads?

Neither The Posture Doctor nor PhysioAI shows ads.

### Which is updated more often, The Posture Doctor or PhysioAI?

The Posture Doctor ships an update every 3 months, and PhysioAI fortnightly. Most recently, The Posture Doctor was updated on October 6, 2026 and PhysioAI on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*