# CORE Thermal Sensor vs The Rocket Racing

The clearest difference is update cadence: The Rocket Racing at every 3 weeks against CORE Thermal Sensor's every 2 months. 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.

CORE Thermal Sensor ships an update every 2 months, The Rocket Racing every 3 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | CORE Thermal Sensor | The Rocket Racing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 55 MB | 37 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [greenteg AG](https://appshunter.io/developer/1510577388) | [Emily Sudduth](https://appshunter.io/developer/1721274803) |

## What reviewers say

### 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


### The Rocket Racing

[App page](https://appshunter.io/ios/app/the-rocket-racing/id6477799900)

**In-app purchases:** none


## Frequently asked questions

### Is CORE Thermal Sensor free?

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

### Is The Rocket Racing free?

The Rocket Racing is free to download, with no in-app purchases.

### Do CORE Thermal Sensor or The Rocket Racing have ads?

Neither CORE Thermal Sensor nor The Rocket Racing shows ads.

### Which is updated more often, CORE Thermal Sensor or The Rocket Racing?

CORE Thermal Sensor ships an update every 2 months, and The Rocket Racing every 3 weeks. Most recently, CORE Thermal Sensor was updated on October 15, 2026 and The Rocket Racing on October 15, 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.*