# CORE Thermal Sensor vs Waterly

The clearest difference is device support: CORE Thermal Sensor at 3 against Waterly's 1. CORE Thermal Sensor also leads on iOS requirement (15.1 vs 17.0). On price, 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.

## The numbers

| Metric | CORE Thermal Sensor | Waterly |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 55 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [greenteg AG](https://appshunter.io/developer/1510577388) | [MURAT OZER](https://appshunter.io/developer/6793679983) |

## 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


### Waterly

[App page](https://appshunter.io/ios/app/waterly-water-reminder/id6793679981)

**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 Waterly free?

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

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

Neither CORE Thermal Sensor nor Waterly shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*