# Body Temperature Note vs CORE Thermal Sensor

The clearest difference is review sentiment: Body Temperature Note at 86% against CORE Thermal Sensor's 16%. Body Temperature Note also leads on rating (4.7 vs 2.5). CORE Thermal Sensor's advantage is ads (none vs shown) and update cadence (every 2 months vs every 12 months). On price, 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.

Body Temperature Note holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: CORE Thermal Sensor has 35 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 86% of Body Temperature Note's written reviews are positive against 16% of CORE Thermal Sensor's.

Body Temperature Note ships an update every 12 months, CORE Thermal Sensor every 2 months. The most recent releases landed on August 23, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Body Temperature Note | CORE Thermal Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/body-temperature-note/id1521302983/reviews)** | [2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews) |
| Number of ratings | 3 | **35** |
| Positive reviews | **85.7% of reviews** | 15.6% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 20 MB | 55 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sabitori works](https://appshunter.io/developer/447072101) | [greenteg AG](https://appshunter.io/developer/1510577388) |

## What reviewers say

### Body Temperature Note

[App page](https://appshunter.io/ios/app/body-temperature-note/id1521302983)

Easily track daily body temperatures for multiple individuals or for personal use. This straightforward app focuses on simple temperature logging and notes, with features like smart input and historical charts to monitor changes over time.

**Highlights:** Log temperatures for multiple people, Smart number input for quick entry, Supports Celsius and Fahrenheit, Temperature charts and history view, Calendar view for daily records, Sync with Apple Health, Export data as CSV

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

**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 Body Temperature Note free?

Body Temperature Note 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, Body Temperature Note or CORE Thermal Sensor?

Body Temperature Note is rated higher. Body Temperature Note averages 4.7 out of 5 from 3 ratings, while CORE Thermal Sensor averages 2.5 from 35 ratings.

### Do Body Temperature Note or CORE Thermal Sensor have ads?

Body Temperature Note shows ads; CORE Thermal Sensor does not.

### Which is updated more often, Body Temperature Note or CORE Thermal Sensor?

Body Temperature Note ships an update every 12 months, and CORE Thermal Sensor every 2 months. Most recently, Body Temperature Note was updated on August 23, 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.*