# STEADYTEMP Smart Thermometer vs CORE Thermal Sensor

The clearest difference is review sentiment: STEADYTEMP Smart Thermometer at 100% against CORE Thermal Sensor's 16%. 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.

STEADYTEMP Smart Thermometer ships an update every 3 months, CORE Thermal Sensor every 2 months. The most recent releases landed on June 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | STEADYTEMP Smart Thermometer | CORE Thermal Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews)** |
| Number of ratings | — | **35** |
| Positive reviews | **100.0% 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 | 79 MB | 55 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Steadysense GmbH](https://appshunter.io/developer/1373747508) | [greenteg AG](https://appshunter.io/developer/1510577388) |

## What reviewers say

### STEADYTEMP Smart Thermometer

[App page](https://appshunter.io/ios/app/steadytemp-smart-thermometer/id1504048457)

Continuously track body temperature and log symptoms with a sensor patch. Data syncs wirelessly to your phone, displaying temperature curves and allowing you to share your health history with your doctor. Ideal for monitoring illness, post-surgery recovery, and family health.

**Highlights:** Continuous temperature measurement, Automatic data sync via NFC, Symptom and medication logging, Shareable health history, Verified measurement accuracy, Radiation-free transmission

**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 STEADYTEMP Smart Thermometer free?

STEADYTEMP Smart Thermometer 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.

### Do STEADYTEMP Smart Thermometer or CORE Thermal Sensor have ads?

Neither STEADYTEMP Smart Thermometer nor CORE Thermal Sensor shows ads.

### Which is updated more often, STEADYTEMP Smart Thermometer or CORE Thermal Sensor?

STEADYTEMP Smart Thermometer ships an update every 3 months, and CORE Thermal Sensor every 2 months. Most recently, STEADYTEMP Smart Thermometer was updated on June 24, 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.*