# Unrush vs Stack Genius

The clearest difference is update cadence: Unrush at weekly against Stack Genius's every 6 weeks. Unrush also leads on ratings volume (28 vs 2). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Unrush sells 2 in-app purchases, starting at $11.90 per month and Stack Genius sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Unrush against 5.0 for Stack Genius. That said, the two scores are not equally well evidenced: Unrush has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Unrush ships an update weekly, Stack Genius every 6 weeks. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Unrush | Stack Genius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (28 ratings)](https://appshunter.io/ios/app/unrushsleepfocusrelax/id6752887942/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/stack-genius/id6768871723/reviews) |
| Number of ratings | **28** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 145 MB | 59 MB |
| Requires iOS | 17 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Qiyin Technology Co., Ltd](https://appshunter.io/developer/1839158560) | [STG VENTURES LLC](https://appshunter.io/developer/1896612143) |

## What reviewers say

### Unrush

[App page](https://appshunter.io/ios/app/unrushsleepfocusrelax/id6752887942)

This app uses generative AI and real artist music to create personalized soundscapes for focus, sleep, and relaxation. It proactively adapts to your environment and mood, offering a distraction-free experience to combat fatigue and anxiety.

**Highlights:** Proactive sensing with environmental data, Generative AI sound engine, Emotional frequency tuning, Customized musical journeys, Science-backed audio for brain fatigue, Minimalist, distraction-free UI

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $11.90 | per month |
| Annual Membership | $41.90 | per year |


### Stack Genius

[App page](https://appshunter.io/ios/app/stack-genius/id6768871723)

Organize your supplement intake with this app. Track individual products, ingredients, doses, and schedules. Scan barcodes and review product details to maintain a clear record of your routine.

**Highlights:** Organize supplement stacks, Scan supplement barcodes, Review product details, Track doses and schedules, Log intake history, Export supplement records

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Genius Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is Unrush free?

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

### Is Stack Genius free?

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

### Which has better reviews, Unrush or Stack Genius?

Unrush and Stack Genius are both rated 5.0 out of 5 on the App Store, from 28 and 2 ratings respectively.

### Do Unrush or Stack Genius have ads?

Neither Unrush nor Stack Genius shows ads.

### Which is updated more often, Unrush or Stack Genius?

Unrush ships an update weekly, and Stack Genius every 6 weeks. Most recently, Unrush was updated on October 30, 2026 and Stack Genius on October 29, 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.*