# GyrOSC vs Kvart

The clearest difference is price: Kvart at Free against GyrOSC's $0.99. Kvart also leads on update cadence (every 3 months vs every 7 months). GyrOSC's advantage is in-app purchases (none vs 2) and iOS requirement (14.0 vs 18.0). On ads and device support there is nothing between them.

Kvart is free to download; GyrOSC costs $0.99 up front. Kvart sells 2 one-off in-app purchases. GyrOSC asks for nothing beyond the download.

GyrOSC ships an update every 7 months, Kvart every 3 months. The most recent releases landed on September 14, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | GyrOSC | Kvart |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/gyrosc/id418751595/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 3 MB | 3 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bit Shape](https://appshunter.io/developer/397853985) | [Valeriia Viana Gusmao](https://appshunter.io/developer/1793924350) |

## What reviewers say

### GyrOSC

[App page](https://appshunter.io/ios/app/gyrosc/id418751595)

This utility sends your device's motion sensor data to OSC-compatible applications over Wi-Fi. Wirelessly control audio or video software by moving and tilting your device, with customizable message tags and quick setup options.

**Highlights:** Send gyroscope, accelerometer, and compass data, Transmit GPS, quaternion, and rotation data, Control OSC-capable audio/video apps, Customize message tags, Save and load OSC addresses, Screen lock for performance, Gyroscope orientation reset

**In-app purchases:** none


### Kvart

[App page](https://appshunter.io/ios/app/kvart/id6754662969)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vintage Amber Theme | $0.49 | one-time |
| Blaze Theme | $0.49 | one-time |


## Frequently asked questions

### Is GyrOSC free?

GyrOSC costs $0.99, with no in-app purchases.

### Is Kvart free?

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

### Do GyrOSC or Kvart have ads?

Neither GyrOSC nor Kvart shows ads.

### Which is updated more often, GyrOSC or Kvart?

GyrOSC ships an update every 7 months, and Kvart every 3 months. Most recently, GyrOSC was updated on September 14, 2026 and Kvart on September 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*