# Thermals vs TrackOSC

The clearest difference is rating: TrackOSC at 5.0 against Thermals's 4.5. TrackOSC also leads on update cadence (fortnightly vs every 3 months) and review sentiment (100% vs 83%). Thermals's advantage is ratings volume (28 vs 2) and chart position (#173 vs unranked). 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.

TrackOSC holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Thermals has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of Thermals's written reviews are positive against 100% of TrackOSC's.

Thermals ships an update every 3 months, TrackOSC fortnightly. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Thermals | TrackOSC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (28 ratings)](https://appshunter.io/ios/app/thermals/id1567050762/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trackosc/id6795593815/reviews)** |
| Number of ratings | **28** | 2 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Best chart rank | **#173** | — |
| Size | 3 MB | 4 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [George Garside](https://appshunter.io/developer/815604170) | [Joel Lewis](https://appshunter.io/developer/1698695342) |

## What reviewers say

### Thermals

[App page](https://appshunter.io/ios/app/thermals/id1567050762)

**Currently charting:** #173 Top Free · Developer Tools (US App Store)

Monitor your device's thermal state and processor activity to diagnose performance issues. Understand why your phone might be running slowly, charging slowly, or have reduced brightness due to overheating. Export data for further analysis with other development tools.

**Highlights:** Displays device thermal state, Shows active processor count, Monitors device uptime, Troubleshoots performance issues, Helps diagnose slow charging, Identifies brightness limitations, Exports raw data for analysis

**Features:** Apple Watch app

**In-app purchases:** none


### TrackOSC

[App page](https://appshunter.io/ios/app/trackosc/id6795593815)

This app transforms your iPhone into a wireless motion-tracking camera. It streams real-time pose, face, text, and animal tracking data over your local network as OSC messages. All processing is done on-device, ensuring your video never leaves your phone.

**Highlights:** Live tracking overlays (body, hand, face, text, animals), Per-detector toggles for performance, Front/back camera support with selfie mirror, Portrait/landscape orientation lock, Automatic OSC receiver discovery (Bonjour), Hide-video mode for stage use

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

**In-app purchases:** none


## Frequently asked questions

### Is Thermals free?

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

### Is TrackOSC free?

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

### Which has better reviews, Thermals or TrackOSC?

TrackOSC is rated higher. Thermals averages 4.5 out of 5 from 28 ratings, while TrackOSC averages 5.0 from 2 ratings.

### Do Thermals or TrackOSC have ads?

Neither Thermals nor TrackOSC shows ads.

### Which is updated more often, Thermals or TrackOSC?

Thermals ships an update every 3 months, and TrackOSC fortnightly. Most recently, Thermals was updated on October 19, 2026 and TrackOSC on October 13, 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.*