# Compex Coach vs CORE Thermal Sensor

The clearest difference is rating: Compex Coach at 4.7 against CORE Thermal Sensor's 2.5. Compex Coach also leads on review sentiment (57% vs 16%) and ratings volume (277 vs 35). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Compex Coach holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: Compex Coach has 277 ratings behind it against 35, so its average is the more settled of the two. Written reviews point the same way: 57% of Compex Coach's written reviews are positive against 16% of CORE Thermal Sensor's.

Compex Coach ships an update every 3 months, CORE Thermal Sensor every 2 months. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Compex Coach | CORE Thermal Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (277 ratings)](https://appshunter.io/ios/app/compex-coach/id1434658426/reviews)** | [2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews) |
| Number of ratings | **277** | 35 |
| Positive reviews | **57.1% of reviews** | 15.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 73 MB | 55 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DJO Global](https://appshunter.io/developer/472386862) | [greenteg AG](https://appshunter.io/developer/1510577388) |

## What reviewers say

### Compex Coach

[App page](https://appshunter.io/ios/app/compex-coach/id1434658426)

This app guides users in setting training objectives, planning sessions, and receiving reminders for their Compex device. It offers detailed instructions on electrode placement, intensity management, and program specifics for various fitness and recovery goals. Users can also share their progress with friends.

**Highlights:** Set training objectives, Plan Compex sessions, Reminders for sessions, Electrode placement guidance, Program details and explanations, Share sessions with friends

**Features:** macOS Compatibility

**In-app purchases:** none


### CORE Thermal Sensor

[App page](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309)

This app continuously monitors your core body temperature and thermal strain, providing critical data for heat training and optimal race performance. It helps athletes of all levels improve their training and achieve better results.

**Highlights:** Continuous core body temperature monitoring, Real-time Heat Strain Index, Heat Zones for training and racing, Heat Training Load and Adaptation Score, Passive heat training tracking, Data trends and historical analysis, Connectivity with sports devices

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

**In-app purchases:** none


## Frequently asked questions

### Is Compex Coach free?

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

### Is CORE Thermal Sensor free?

CORE Thermal Sensor is free to download, with no in-app purchases.

### Which has better reviews, Compex Coach or CORE Thermal Sensor?

Compex Coach is rated higher. Compex Coach averages 4.7 out of 5 from 277 ratings, while CORE Thermal Sensor averages 2.5 from 35 ratings.

### Do Compex Coach or CORE Thermal Sensor have ads?

Neither Compex Coach nor CORE Thermal Sensor shows ads.

### Which is updated more often, Compex Coach or CORE Thermal Sensor?

Compex Coach ships an update every 3 months, and CORE Thermal Sensor every 2 months. Most recently, Compex Coach was updated on September 18, 2026 and CORE Thermal Sensor on September 23, 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.*