# CORE Thermal Sensor vs Water Reminder 2L

The clearest difference is review sentiment: Water Reminder 2L at 100% against CORE Thermal Sensor's 19%. Water Reminder 2L also leads on rating (5.0 vs 2.5). CORE Thermal Sensor's advantage is price (Free vs $0.99) and ratings volume (35 vs 1). On ads and in-app purchases there is nothing between them.

CORE Thermal Sensor is free to download; Water Reminder 2L costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Water Reminder 2L holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: CORE Thermal Sensor has 35 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 19% of CORE Thermal Sensor's written reviews are positive against 100% of Water Reminder 2L's.

## The numbers

| Metric | CORE Thermal Sensor | Water Reminder 2L |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/water-reminder-2l/id6760357242/reviews)** |
| Number of ratings | **35** | 1 |
| Positive reviews | 18.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Paid |
| Size | 55 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [greenteg AG](https://appshunter.io/developer/1510577388) | [CBS Software LLC](https://appshunter.io/developer/1884092181) |

## 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


### Water Reminder 2L

[App page](https://appshunter.io/ios/app/water-reminder-2l/id6760357242)

This app sends timely notifications to help you stay hydrated throughout the day. Set personalized daily water goals and customize reminder intervals to ensure you never miss a drink. It operates locally on your device without requiring personal information.

**Highlights:** Customizable daily water goals, Flexible reminder intervals, Local device operation, No personal info required, Progress tracking

**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 Water Reminder 2L free?

Water Reminder 2L costs $0.99, with no in-app purchases.

### Which has better reviews, CORE Thermal Sensor or Water Reminder 2L?

Water Reminder 2L is rated higher. CORE Thermal Sensor averages 2.5 out of 5 from 35 ratings, while Water Reminder 2L averages 5.0 from 1 ratings.

### Do CORE Thermal Sensor or Water Reminder 2L have ads?

Neither CORE Thermal Sensor nor Water Reminder 2L shows ads.

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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.*