# uC3 vs Sensor

The clearest difference is update cadence: uC3 at every 2 days against Sensor's every 3 months. uC3 also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

uC3 ships an update every 2 days, Sensor every 3 months. The most recent releases landed on October 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | uC3 | Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (57 ratings)](https://appshunter.io/ios/app/sensor-device-monitor/id6476280511/reviews)** |
| Number of ratings | — | **57** |
| Positive reviews | — | 84.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | — | Free |
| Size | 8 MB | 7 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [eForce Co.,Ltd.](https://appshunter.io/developer/1614987908) | [仕华 罗](https://appshunter.io/developer/1066728652) |

## What reviewers say

### uC3

[App page](https://appshunter.io/ios/app/uc3-ble-uart/id1621202203)

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

**In-app purchases:** none


### Sensor

[App page](https://appshunter.io/ios/app/sensor-device-monitor/id6476280511)

Access comprehensive device information at a glance, including CPU, battery, storage, and sensor data. Gain insights into sensor access to enhance your privacy. Supports various customizable widgets for quick access.

**Highlights:** Device information overview, Battery status monitoring, CPU usage details, Storage capacity tracking, Sensor data access, Widget support

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

**In-app purchases:** none


## Frequently asked questions

### Is uC3 free?

uC3 is free to download, with no in-app purchases.

### Is Sensor free?

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

### Do uC3 or Sensor have ads?

Neither uC3 nor Sensor shows ads.

### Which is updated more often, uC3 or Sensor?

uC3 ships an update every 2 days, and Sensor every 3 months. Most recently, uC3 was updated on October 2, 2026 and Sensor on November 8, 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.*