# iBACK vs Posture Scan & Evaluation

The clearest difference is in-app purchases: iBACK at none against Posture Scan & Evaluation's 2. iBACK also leads on iOS requirement (12.0 vs 17.0). Posture Scan & Evaluation's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Posture Scan & Evaluation sells 2 in-app purchases, starting at $4.99 per 7 days. iBACK asks for nothing beyond the download.

iBACK ships an update every 2 months, Posture Scan & Evaluation every 3 weeks. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | iBACK | Posture Scan & Evaluation |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 27 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Vesnin](https://appshunter.io/developer/1437058410) | [Brite Technologies](https://appshunter.io/developer/1620922833) |

## What reviewers say

### iBACK

[App page](https://appshunter.io/ios/app/iback/id1437058411)

This app helps reduce back pain and strengthen back muscles through short, guided exercises. It uses a posture sensor that vibrates to remind users to maintain proper posture.

**Highlights:** Reduce back pain, Strengthen back muscles, 5-minute exercises, Posture sensor integration, Vibration reminders for posture

**Features:** macOS Compatibility

**In-app purchases:** none


### Posture Scan & Evaluation

[App page](https://appshunter.io/ios/app/posture-scan-and-evaluation/id6759720625)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is iBACK free?

iBACK is free to download, with no in-app purchases.

### Is Posture Scan & Evaluation free?

Posture Scan & Evaluation is free to download, with in-app purchases available.

### Do iBACK or Posture Scan & Evaluation have ads?

Neither iBACK nor Posture Scan & Evaluation shows ads.

### Which is updated more often, iBACK or Posture Scan & Evaluation?

iBACK ships an update every 2 months, and Posture Scan & Evaluation every 3 weeks. Most recently, iBACK was updated on September 8, 2026 and Posture Scan & Evaluation on September 11, 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.*