# CORE Thermal Sensor vs Sauce for Strava™

The clearest difference is review sentiment: Sauce for Strava™ at 71% against CORE Thermal Sensor's 19%. Sauce for Strava™ also leads on rating (4.8 vs 2.5). CORE Thermal Sensor's advantage is ratings volume (35 vs 4) and iOS requirement (15.1 vs 18.0). 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.

Sauce for Strava™ holds the better App Store score, 4.8 against 2.5. That said, the two scores are not equally well evidenced: CORE Thermal Sensor has 35 ratings behind it against 4, 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 71% of Sauce for Strava™'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CORE Thermal Sensor | Sauce for Strava™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (35 ratings)](https://appshunter.io/ios/app/core-thermal-sensor/id1521866309/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/sauce-for-strava/id1570922521/reviews)** |
| Number of ratings | **35** | 4 |
| Positive reviews | 18.8% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 55 MB | 6 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [greenteg AG](https://appshunter.io/developer/1510577388) | [Sauce, LLC](https://appshunter.io/developer/1570922523) |

## 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


### Sauce for Strava™

[App page](https://appshunter.io/ios/app/sauce-for-strava/id1570922521)

Enhance your cycling and running data with this lightweight browser extension. It provides more detailed information directly within the platform, offering a richer experience for athletes.

**Highlights:** Enhanced cycling data, Improved running metrics, Client-side JavaScript, Lightweight extension, Simple interface

**Features:** Safari Extension

**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 Sauce for Strava™ free?

Sauce for Strava™ is free to download, with no in-app purchases.

### Which has better reviews, CORE Thermal Sensor or Sauce for Strava™?

Sauce for Strava™ is rated higher. CORE Thermal Sensor averages 2.5 out of 5 from 35 ratings, while Sauce for Strava™ averages 4.8 from 4 ratings.

### Do CORE Thermal Sensor or Sauce for Strava™ have ads?

Neither CORE Thermal Sensor nor Sauce for Strava™ shows ads.

### Which is updated more often, CORE Thermal Sensor or Sauce for Strava™?

CORE Thermal Sensor ships an update every 2 months, and Sauce for Strava™ every 2 months. Most recently, CORE Thermal Sensor was updated on October 15, 2026 and Sauce for Strava™ on October 4, 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.*