# rectify vs Posture Prompt

The clearest difference is ads: Posture Prompt at none against rectify's shown. rectify's advantage is update cadence (every 5 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. rectify sells 1 in-app purchase, starting at $4.99 per month and Posture Prompt sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

rectify ships an update every 5 days, Posture Prompt every 7 months. The most recent releases landed on September 12, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | rectify | Posture Prompt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 7 months |
| Size | 189 MB | 34 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [MinkTec GmbH](https://appshunter.io/developer/1634767386) | [Pouria Assadipour](https://appshunter.io/developer/1530457683) |

## What reviewers say

### rectify

[App page](https://appshunter.io/ios/app/rectify-posture-tracking/id1634767384)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AirPods Head Tracking | $4.99 | per month |


### Posture Prompt

[App page](https://appshunter.io/ios/app/posture-prompt-stop-slouching/id6747693935)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free week | $2.99 | per 7 days |
| Posture Reminder Pro | $2.99 | per 7 days |
| Posture Reminder Pro | $29.99 | per year |


## Frequently asked questions

### Is rectify free?

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

### Is Posture Prompt free?

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

### Do rectify or Posture Prompt have ads?

rectify shows ads; Posture Prompt does not.

### Which is updated more often, rectify or Posture Prompt?

rectify ships an update every 5 days, and Posture Prompt every 7 months. Most recently, rectify was updated on September 12, 2026 and Posture Prompt on September 26, 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.*