# XO vs Quantum Movement

XO and Quantum Movement are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

XO ships an update every 3 weeks, Quantum Movement every 10 days. The most recent releases landed on September 6, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | XO | Quantum Movement |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quantum-movement/id6751404170/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 58 MB | 161 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [XOnano Smartfoam](https://appshunter.io/developer/962214203) | [Quantum Move](https://appshunter.io/developer/1831409392) |

## What reviewers say

### XO

[App page](https://appshunter.io/ios/app/xo-sole/id6737280389)

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

**In-app purchases:** none


### Quantum Movement

[App page](https://appshunter.io/ios/app/quantum-movement/id6751404170)

This app enables professionals to capture and analyze human motion data on the go using wearable sensors. It synchronizes movement data and performance metrics for advanced biomechanics insight. Requires an existing account created on the web platform.

**Highlights:** Record movement sessions with sensors, Upload movement data, Review synchronized motion data, Analyze performance metrics, Real-time data capture, On-the-go analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is XO free?

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

### Is Quantum Movement free?

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

### Do XO or Quantum Movement have ads?

Neither XO nor Quantum Movement shows ads.

### Which is updated more often, XO or Quantum Movement?

XO ships an update every 3 weeks, and Quantum Movement every 10 days. Most recently, XO was updated on September 6, 2026 and Quantum Movement on August 17, 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.*