# CORE Thermal Sensor vs Chilipad

The clearest difference is rating: Chilipad at 4.7 against CORE Thermal Sensor's 2.5. Chilipad also leads on ratings volume (5K vs 35) and review sentiment (33% vs 16%). CORE Thermal Sensor's advantage is monetization model (free vs ad-supported) and device support (3 vs 1). 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.

Chilipad holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: Chilipad has 5K ratings behind it against 35, so its average is the more settled of the two. Written reviews point the same way: 16% of CORE Thermal Sensor's written reviews are positive against 33% of Chilipad's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on September 23, 2026.

## The numbers

| Metric | CORE Thermal Sensor | Chilipad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews) | **[4.7 (5K ratings)](https://appshunter.io/ios/app/chilipad/id1532989079/reviews)** |
| Number of ratings | 35 | **5K** |
| Positive reviews | 15.6% of reviews | **32.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 55 MB | 234 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [greenteg AG](https://appshunter.io/developer/1510577388) | [Sleepme Inc.](https://appshunter.io/developer/1381533476) |

## 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


### Chilipad

[App page](https://appshunter.io/ios/app/chilipad/id1532989079)

This platform offers an interactive experience to improve your sleep quality and restore life balance. It allows for real-time temperature control of your bed and personalized sleep programs. The app also provides expert insights and tracks your sleep activity for optimization.

**Highlights:** Real-time bed temperature control, Personalized sleep temperature programs, Expert audio content for sleep, AI-driven temperature adjustments, Non-wearable sleep tracking, Sleep activity and health metrics

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Cooling works well
- 👍 Easy to use app
- 🚀 Quiet operation
- 👍 Improved over previous version
- 👍 Helps with sleep

**What reviewers complain about**

- 🐛 Connectivity issues with WiFi
- 🐛 App frequently disconnects from device
- 🐛 Buggy software/app
- 🐛 Schedules not working as expected
- 🐛 Inconsistent temperature control

**Reported bugs**

- App doesn't save settings/schedules
- Frequent disconnections and need to reset device
- Temperature changes randomly without user input
- App doesn't properly control device functions

**Requested features**

- Dark mode option
- Apple Health integration
- Physical remote control option
- Ability to set different programs for each side of the bed


## Frequently asked questions

### Is CORE Thermal Sensor free?

CORE Thermal Sensor is free to download, with no in-app purchases.

### Is Chilipad free?

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

### Which has better reviews, CORE Thermal Sensor or Chilipad?

Chilipad is rated higher. CORE Thermal Sensor averages 2.5 out of 5 from 35 ratings, while Chilipad averages 4.7 from 5K ratings.

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

Neither CORE Thermal Sensor nor Chilipad shows ads.

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

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