# CORE Thermal Sensor vs Best Bike Split

The clearest difference is in-app purchases: CORE Thermal Sensor at none against Best Bike Split's 2. Best Bike Split's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Best Bike Split sells 2 in-app purchases, starting at $19.99 per month. CORE Thermal Sensor asks for nothing beyond the download.

CORE Thermal Sensor ships an update every 2 months, Best Bike Split fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CORE Thermal Sensor | Best Bike Split |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 55 MB | 86 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [greenteg AG](https://appshunter.io/developer/1510577388) | [Caffeinated Innovations LLC](https://appshunter.io/developer/1886821235) |

## 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


### Best Bike Split

[App page](https://appshunter.io/ios/app/best-bike-split/id6766100294)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $19.99 | per month |
| Yearly | $119.00 | per year |


## Frequently asked questions

### Is CORE Thermal Sensor free?

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

### Is Best Bike Split free?

Best Bike Split is free to download, with in-app purchases available.

### Do CORE Thermal Sensor or Best Bike Split have ads?

Neither CORE Thermal Sensor nor Best Bike Split shows ads.

### Which is updated more often, CORE Thermal Sensor or Best Bike Split?

CORE Thermal Sensor ships an update every 2 months, and Best Bike Split fortnightly. Most recently, CORE Thermal Sensor was updated on November 3, 2026 and Best Bike Split on October 31, 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.*