# rectify vs Posture Reminder

The clearest difference is ads: Posture Reminder at none against rectify's shown. rectify's advantage is update cadence (every 3 days vs every 2 weeks) and device support (4 vs 2). On price and in-app purchases there is nothing between them.

Both are free to download. rectify sells 1 in-app purchase, starting at $4.99 per month and Posture Reminder sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

rectify ships an update every 3 days, Posture Reminder every 2 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | rectify | Posture Reminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/posture-reminder-upright/id6749187831/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 189 MB | 63 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [MinkTec GmbH](https://appshunter.io/developer/1634767386) | [Gokce EVREN](https://appshunter.io/developer/1816456669) |

## 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 Reminder

[App page](https://appshunter.io/ios/app/posture-reminder-upright/id6749187831)

This app uses your AirPods to detect when you slouch and provides gentle reminders to improve your posture. It tracks your progress with scores and graphs, offering personalized settings and fun animal avatars for motivation. Improve your posture automatically without any extra wearables.

**Highlights:** AirPods motion sensor tracking, Smart slouch detection, Customizable vibration/sound alerts, Progress tracking with scores and graphs, Apple Watch control, Fun animal avatar motivation, On-device privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $5.99 | per month |
| Annual Premium | $24.99 | per year |
| Lifetime Posture Reminder | $39.99 | one-time |


## Frequently asked questions

### Is rectify free?

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

### Is Posture Reminder free?

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

### Do rectify or Posture Reminder have ads?

rectify shows ads; Posture Reminder does not.

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

rectify ships an update every 3 days, and Posture Reminder every 2 weeks. Most recently, rectify was updated on October 1, 2026 and Posture Reminder on October 8, 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.*