# CORIOmaster vs OSC Timer

The clearest difference is price: CORIOmaster at Free against OSC Timer's $3.99. CORIOmaster also leads on iOS requirement (11.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

CORIOmaster is free to download; OSC Timer costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CORIOmaster ships an update every 11 months, OSC Timer every 9 months. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CORIOmaster | OSC Timer |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 months** |
| Monetization | — | Paid |
| Size | 18 MB | 16 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [tvone limited](https://appshunter.io/developer/1417101820) | [Rasmus Kreiner](https://appshunter.io/developer/1437108304) |

## What reviewers say

### CORIOmaster

[App page](https://appshunter.io/ios/app/coriomaster/id1417101851)

**Features:** macOS Compatibility

**In-app purchases:** none


### OSC Timer

[App page](https://appshunter.io/ios/app/osc-timer/id1487250917)

This app provides advanced, customizable timer functionality controlled via Open Sound Control (OSC). It allows for real-time adjustments, multiple simultaneous timers, and dynamic display layouts for presentations and entertainment.

**Highlights:** Real-time OSC control, Multiple simultaneous timers, Customizable display layouts, Broadcast time and messages, Extensive OSC API, System time display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CORIOmaster free?

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

### Is OSC Timer free?

OSC Timer costs $3.99, with no in-app purchases.

### Do CORIOmaster or OSC Timer have ads?

Neither CORIOmaster nor OSC Timer shows ads.

### Which is updated more often, CORIOmaster or OSC Timer?

CORIOmaster ships an update every 11 months, and OSC Timer every 9 months. Most recently, CORIOmaster was updated on October 1, 2026 and OSC Timer on October 14, 2026.

---

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