# Monitor OSC vs OnTrak

The clearest difference is update cadence: OnTrak at every 11 days against Monitor OSC's every 5 months. OnTrak also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Monitor OSC ships an update every 5 months, OnTrak every 11 days. The most recent releases landed on September 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Monitor OSC | OnTrak |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 3 MB | 29 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anton Heestand](https://appshunter.io/developer/1235192207) | [NHA TRANG HITECH COMPANY, LTD](https://appshunter.io/developer/1822206346) |

## What reviewers say

### Monitor OSC

[App page](https://appshunter.io/ios/app/monitor-osc/id6502634835)

Visualize incoming signals with a clear interface. View data as a list or tree, track floating-point values over time, and manage your local IP address and port. Ideal for developers working with Open Sound Control.

**Highlights:** List and tree view for signal data, Expandable node structure, Local IP address and port management, Floating point value trail over time, Clear and pause signal stream

**In-app purchases:** none


### OnTrak

[App page](https://appshunter.io/ios/app/ontrak/id6747660366)

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

**In-app purchases:** none


## Frequently asked questions

### Is Monitor OSC free?

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

### Is OnTrak free?

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

### Do Monitor OSC or OnTrak have ads?

Neither Monitor OSC nor OnTrak shows ads.

### Which is updated more often, Monitor OSC or OnTrak?

Monitor OSC ships an update every 5 months, and OnTrak every 11 days. Most recently, Monitor OSC was updated on September 12, 2026 and OnTrak on September 22, 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.*