# Charder Proscan vs UPka

The clearest difference is iOS requirement: Charder Proscan at 12.0 against UPka's 15.2. 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.

Charder Proscan ships an update every 3 months, UPka every 2 months. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Charder Proscan | UPka |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 204 MB | 41 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charder Electronic Co., Ltd.](https://appshunter.io/developer/796349103) | [eFitness S.A.](https://appshunter.io/developer/1054978019) |

## 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


### UPka

[App page](https://appshunter.io/ios/app/upka/id1621477922)

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

**In-app purchases:** none


## Frequently asked questions

### Is Charder Proscan free?

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

### Is UPka free?

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

### Do Charder Proscan or UPka have ads?

Neither Charder Proscan nor UPka shows ads.

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

Charder Proscan ships an update every 3 months, and UPka every 2 months. Most recently, Charder Proscan was updated on October 20, 2026 and UPka on October 11, 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.*