# Fit For 90 vs PISON

The clearest difference is rating: PISON at 5.0 against Fit For 90's 4.4. Fit For 90's advantage is iOS requirement (8.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

PISON holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 14 and 7 respectively.

Fit For 90 ships an update fortnightly, PISON every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Fit For 90 | PISON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (14 ratings)](https://appshunter.io/ios/app/fit-for-90/id1215367316/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pison/id6475786964/reviews)** |
| Number of ratings | **14** | 7 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 83 MB | 65 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fit For 90](https://appshunter.io/developer/1215367315) | [Pison Technology](https://appshunter.io/developer/1705268860) |

## What reviewers say

### Fit For 90

[App page](https://appshunter.io/ios/app/fit-for-90/id1215367316)

This app provides personalized workouts and recovery plans for athletes aged 13 and up. It focuses on improving performance and maintaining health by considering readiness, soreness, and scheduling.

**Highlights:** Individualized workouts, Readiness assessment, Soreness tracking, Schedule integration, Performance improvement, Health and safety focus

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Fit For 90 free?

Fit For 90 is free to download, with no in-app purchases.

### Is PISON free?

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

### Which has better reviews, Fit For 90 or PISON?

PISON is rated higher. Fit For 90 averages 4.4 out of 5 from 14 ratings, while PISON averages 5.0 from 7 ratings.

### Do Fit For 90 or PISON have ads?

Neither Fit For 90 nor PISON shows ads.

### Which is updated more often, Fit For 90 or PISON?

Fit For 90 ships an update fortnightly, and PISON every 2 weeks. Most recently, Fit For 90 was updated on October 24, 2026 and PISON 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.*