# PISON vs Sensor Bio

The clearest difference is monetization model: PISON at free against Sensor Bio's ad-supported. PISON also leads on iOS requirement (15.0 vs 18.0). Sensor Bio's advantage is update cadence (weekly vs every 3 weeks). On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 5.0 for PISON against 5.0 for Sensor Bio. Both are backed by a comparable volume of ratings — 7 and 9 respectively.

PISON ships an update every 3 weeks, Sensor Bio weekly. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PISON | Sensor Bio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/pison/id6475786964/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/sensor-bio/id6745620963/reviews) |
| Number of ratings | 7 | **9** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 65 MB | 178 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pison Technology](https://appshunter.io/developer/1705268860) | [Sensr Biotech, LLC](https://appshunter.io/developer/1812560181) |

## 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


### Sensor Bio

[App page](https://appshunter.io/ios/app/sensor-bio/id6745620963)

This platform uses biosensors to remotely monitor key health metrics like heart rate, HRV, and sleep stages. It provides personalized insights and is designed for general fitness and wellness purposes.

**Highlights:** Clinical-grade biometrics, Validated heart rate and HRV tracking, Detailed sleep stage analysis, Remote monitoring capabilities, Personalized health insights

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

**In-app purchases:** none


## Frequently asked questions

### Is PISON free?

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

### Is Sensor Bio free?

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

### Which has better reviews, PISON or Sensor Bio?

PISON and Sensor Bio are both rated 5.0 out of 5 on the App Store, from 7 and 9 ratings respectively.

### Do PISON or Sensor Bio have ads?

Neither PISON nor Sensor Bio shows ads.

### Which is updated more often, PISON or Sensor Bio?

PISON ships an update every 3 weeks, and Sensor Bio weekly. Most recently, PISON was updated on October 9, 2026 and Sensor Bio on September 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.*