# Body & Mind Smart Biofeedback vs rectify

The clearest difference is in-app purchases: Body & Mind Smart Biofeedback at none against rectify's 1. Body & Mind Smart Biofeedback also leads on ads (none vs shown). rectify's advantage is update cadence (every 3 days vs every 2 months) and device support (4 vs 2). On price and iOS requirement there is nothing between them.

Both are free to download. rectify sells 1 in-app purchase, starting at $7.99 per month. Body & Mind Smart Biofeedback asks for nothing beyond the download.

Body & Mind Smart Biofeedback ships an update every 2 months, rectify every 3 days. Both last shipped on October 27, 2026.

## The numbers

| Metric | Body & Mind Smart Biofeedback | rectify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 76 MB | 160 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [MediTECH Electronic GmbH](https://appshunter.io/developer/1402578609) | [MinkTec GmbH](https://appshunter.io/developer/1634767386) |

## What reviewers say

### Body & Mind Smart Biofeedback

[App page](https://appshunter.io/ios/app/body-and-mind-smart-biofeedback/id1523980177)

**In-app purchases:** none


### 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 | $7.99 | per month |


## Frequently asked questions

### Is Body & Mind Smart Biofeedback free?

Body & Mind Smart Biofeedback is free to download, with no in-app purchases.

### Is rectify free?

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

### Do Body & Mind Smart Biofeedback or rectify have ads?

rectify shows ads; Body & Mind Smart Biofeedback does not.

### Which is updated more often, Body & Mind Smart Biofeedback or rectify?

Body & Mind Smart Biofeedback ships an update every 2 months, and rectify every 3 days. Most recently, Body & Mind Smart Biofeedback was updated on October 27, 2026 and rectify on October 27, 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.*