# Stress Solution vs PLINNO

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

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

Stress Solution ships an update every 6 weeks, PLINNO every 3 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stress Solution | PLINNO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 83 MB | 255 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stress Solution Co., Ltd.](https://appshunter.io/developer/1542728786) | [PlayG Inc.](https://appshunter.io/developer/6791523262) |

## 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 |


### PLINNO

[App page](https://appshunter.io/ios/app/plinno/id6791523260)

**Features:** macOS Compatibility, 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 PLINNO free?

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

### Do Stress Solution or PLINNO have ads?

PLINNO shows ads; Stress Solution does not.

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

Stress Solution ships an update every 6 weeks, and PLINNO every 3 weeks. Most recently, Stress Solution was updated on November 11, 2026 and PLINNO on October 31, 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.*