# CORE Thermal Sensor vs AbsolutSweat

The clearest difference is update cadence: AbsolutSweat at fortnightly 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, AbsolutSweat fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | CORE Thermal Sensor | AbsolutSweat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 15.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 55 MB | 42 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [greenteg AG](https://appshunter.io/developer/1510577388) | [Shenzhen Refresh Biosensing Technology Co., Ltd.](https://appshunter.io/developer/1405391433) |

## 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


### AbsolutSweat

[App page](https://appshunter.io/ios/app/absolutsweat/id6443573387)

**Features:** macOS Compatibility

**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 AbsolutSweat free?

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

### Do CORE Thermal Sensor or AbsolutSweat have ads?

Neither CORE Thermal Sensor nor AbsolutSweat shows ads.

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

CORE Thermal Sensor ships an update every 2 months, and AbsolutSweat fortnightly. Most recently, CORE Thermal Sensor was updated on September 23, 2026 and AbsolutSweat on September 20, 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.*