# Hair Back App vs Simuii

The clearest difference is review sentiment: Simuii at 100% against Hair Back App's 14%. Hair Back App's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hair Back App ships an update fortnightly, Simuii weekly. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hair Back App | Simuii |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/simuii/id6802067767/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Size | 64 MB | 4 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Age Back Co. B.V.](https://appshunter.io/developer/1793565563) | [Dieu Buhendwa](https://appshunter.io/developer/1869813601) |

## What reviewers say

### Hair Back App

[App page](https://appshunter.io/ios/app/hair-back-app/id6444887075)

This app supports individuals experiencing hair loss by offering a community forum, access to specialist consultations, and personalized hair transplant treatment plans. Users can explore solutions, request simulations, and track their recovery journey.

**Highlights:** Hair loss solutions, Hair transplant simulation, Community forum, Specialist consultations, Personalized treatment plans, Aftercare tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Simuii

[App page](https://appshunter.io/ios/app/simuii/id6802067767)

This app transforms your iPhone into a touch instrument for calm. It offers guided sessions for relaxation, sleep, focus, or release, adapting to your intentions with responsive sound and haptics. Personalize your experience with optional data inputs for unique tuning and track your mood privately.

**Highlights:** Touch instrument for calm, Guided sessions (Calm, Sleep, Focus, Release), Responsive color, spatial tones, and haptics, Personalized musical tuning, Private mood check-ins, On-device data storage

**In-app purchases:** none


## Frequently asked questions

### Is Hair Back App free?

Hair Back App is free to download, with no in-app purchases.

### Is Simuii free?

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

### Do Hair Back App or Simuii have ads?

Neither Hair Back App nor Simuii shows ads.

### Which is updated more often, Hair Back App or Simuii?

Hair Back App ships an update fortnightly, and Simuii weekly. Most recently, Hair Back App was updated on October 11, 2026 and Simuii on October 24, 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.*