# ZIO vs Propulsion

The clearest difference is review sentiment: Propulsion at 71% against ZIO's 0%. Propulsion also leads on update cadence (every 3 weeks vs every 6 months). ZIO's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ZIO ships an update every 6 months, Propulsion every 3 weeks. The most recent releases landed on September 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ZIO | Propulsion |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 14 MB | 22 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Virginie Bonura](https://appshunter.io/developer/1599785228) | [Propulsion Sport Inc](https://appshunter.io/developer/1626861511) |

## What reviewers say

### ZIO

[App page](https://appshunter.io/ios/app/zio/id1599785226)

This app helps you follow your prescribed rehabilitation exercises from your therapist. It provides guidance to ensure your success in your recovery journey, allowing you to maintain your program anywhere.

**Highlights:** Follow prescribed exercises, Therapist-guided rehabilitation, Track exercise program, Support for recovery, Mobile accessibility

**In-app purchases:** none


### Propulsion

[App page](https://appshunter.io/ios/app/propulsion/id1626861509)

This app connects work teams to encourage physical activity and well-being. Participate in challenges, track your activity, and earn rewards to boost team spirit and healthy habits.

**Highlights:** Team connection, Activity tracking integration, Active score measurement, Team and individual challenges, Leaderboard rankings, Well-being content, Rewards system

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

**In-app purchases:** none


## Frequently asked questions

### Is ZIO free?

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

### Is Propulsion free?

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

### Do ZIO or Propulsion have ads?

Neither ZIO nor Propulsion shows ads.

### Which is updated more often, ZIO or Propulsion?

ZIO ships an update every 6 months, and Propulsion every 3 weeks. Most recently, ZIO was updated on September 7, 2026 and Propulsion on September 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.*