# PISON vs Edge OS

The clearest difference is in-app purchases: PISON at none against Edge OS's 3. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Edge OS sells 3 in-app purchases, starting at $4.99 per 7 days. PISON asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for PISON against 5.0 for Edge OS. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | PISON | Edge OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/pison/id6475786964/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/edge-os/id6764069617/reviews) |
| Number of ratings | **7** | 3 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 65 MB | 54 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Pison Technology](https://appshunter.io/developer/1705268860) | [Aetheris Solutions LLC](https://appshunter.io/developer/1867934274) |

## What reviewers say

### PISON

[App page](https://appshunter.io/ios/app/pison/id6475786964)

This app provides insights into your cognitive and physical performance using data from compatible smartwatches. It helps you understand readiness, mental agility, and focus, with advanced metrics for sleep, stress, and health available through membership tiers.

**Highlights:** Cognitive performance metrics (Readiness, Agility, Focus), Sleep and fatigue tracking, Stress and health monitoring, Fitness metrics (respiratory rate, calories), Community leaderboards and groups, Insights from neural sensor technology

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

**In-app purchases:** none


### Edge OS

[App page](https://appshunter.io/ios/app/edge-os/id6764069617)

This app provides a daily guided ritual for athletes to enhance mindset and focus. It offers AI-generated reports with actionable insights and personalized coaching. Integrates with wearables and provides workout and nutrition guidance.

**Highlights:** Daily guided ritual for mindset and focus, AI-generated daily EDGE Report, Personalized AI coaching, Wearable and workout integration, Nutrition plans and fuel library, Pregame lock-in rituals

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Edge Weekly | $4.99 | per 7 days |
| Edge Monthly | $12.99 | per month |
| Edge Annual | $89.99 | per year |


## Frequently asked questions

### Is PISON free?

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

### Is Edge OS free?

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

### Which has better reviews, PISON or Edge OS?

PISON and Edge OS are both rated 5.0 out of 5 on the App Store, from 7 and 3 ratings respectively.

### Do PISON or Edge OS have ads?

Neither PISON nor Edge OS shows ads.

### Which is updated more often, PISON or Edge OS?

PISON ships an update every 3 weeks, and Edge OS every 3 weeks. Most recently, PISON was updated on October 9, 2026 and Edge OS on September 26, 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.*