# Callibri BeFit vs Sensor

The clearest difference is update cadence: Callibri BeFit at every 3 months against Sensor's every 13 months. Sensor's advantage is device support (3 vs 1) and iOS requirement (14.3 vs 16.0). 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.

Callibri BeFit ships an update every 3 months, Sensor every 13 months. The most recent releases landed on August 18, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | Callibri BeFit | Sensor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Size | 247 MB | 626 MB |
| Requires iOS | 16.0 | **14.3** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [BRAINBIT INC.](https://appshunter.io/developer/1510548622) | [Yury Kornev](https://appshunter.io/developer/1236565366) |

## What reviewers say

### Callibri BeFit

[App page](https://appshunter.io/ios/app/callibri-befit/id1537952245)

**Features:** Vision Pro support

**In-app purchases:** none


### Sensor

[App page](https://appshunter.io/ios/app/sensor/id1665971033)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Callibri BeFit free?

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

### Is Sensor free?

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

### Do Callibri BeFit or Sensor have ads?

Neither Callibri BeFit nor Sensor shows ads.

### Which is updated more often, Callibri BeFit or Sensor?

Callibri BeFit ships an update every 3 months, and Sensor every 13 months. Most recently, Callibri BeFit was updated on August 18, 2026 and Sensor on August 15, 2026.

---

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