# Charder Proscan vs uWatch

The clearest difference is update cadence: uWatch at every 6 weeks against Charder Proscan's every 3 months. 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.

Charder Proscan ships an update every 3 months, uWatch every 6 weeks. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Charder Proscan | uWatch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 204 MB | 14 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Charder Electronic Co., Ltd.](https://appshunter.io/developer/796349103) | [uCareMedi](https://appshunter.io/developer/1358263250) |

## What reviewers say

### Charder Proscan

[App page](https://appshunter.io/ios/app/charder-proscan/id1570226952)

This app allows you to receive, store, and analyze body composition measurement results from compatible devices. Organize data by user, track changes with graphs, and view detailed metrics like muscle, fat, and water levels. It integrates with Apple Health for a comprehensive health overview.

**Highlights:** Receive measurement results, Store and organize data by user, Analyze muscle, fat, and water levels, Track changes with graphs, Integrates with Apple Health

**Features:** macOS Compatibility

**In-app purchases:** none


### uWatch

[App page](https://appshunter.io/ios/app/uwatch/id6478255932)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Charder Proscan free?

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

### Is uWatch free?

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

### Do Charder Proscan or uWatch have ads?

Neither Charder Proscan nor uWatch shows ads.

### Which is updated more often, Charder Proscan or uWatch?

Charder Proscan ships an update every 3 months, and uWatch every 6 weeks. Most recently, Charder Proscan was updated on October 3, 2026 and uWatch on October 13, 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.*