# Stress Solution vs 무아

The clearest difference is in-app purchases: 무아 at none against Stress Solution's 3. 무아 also leads on update cadence (weekly vs every 6 weeks). Stress Solution's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Stress Solution sells 3 one-off in-app purchases. 무아 asks for nothing beyond the download.

Stress Solution ships an update every 6 weeks, 무아 weekly. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Stress Solution | 무아 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 83 MB | 113 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Stress Solution Co., Ltd.](https://appshunter.io/developer/1542728786) | [Com2uS N Corporation](https://appshunter.io/developer/1870169735) |

## What reviewers say

### Stress Solution

[App page](https://appshunter.io/ios/app/stress-solution/id1590663451)

This app offers personalized soundscapes based on your heart rate to help induce sleep, reduce stress, and improve focus. It integrates with health apps to monitor your physiological data and provide tailored audio experiences for relaxation and well-being.

**Highlights:** Personalized soundscapes based on heart rate, Sleep induction and stress relief, Focus and concentration enhancement, Integration with HealthKit for data monitoring, Thematic sound lists (sleep, stress, focus, exercise), Stress index calculation and monitoring

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 힐링비트 30일권 | $5.99 | one-time |
| 힐링비트 180일 사용권 | $23.99 | one-time |
| 힐링비트 1년 사용권 | $39.99 | one-time |


### 무아

[App page](https://appshunter.io/ios/app/mua/id6757996493)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stress Solution free?

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

### Is 무아 free?

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

### Do Stress Solution or 무아 have ads?

Neither Stress Solution nor 무아 shows ads.

### Which is updated more often, Stress Solution or 무아?

Stress Solution ships an update every 6 weeks, and 무아 weekly. Most recently, Stress Solution was updated on November 11, 2026 and 무아 on November 9, 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.*