# Charder Proscan vs 75 Hard Transform Tracker

The clearest difference is in-app purchases: Charder Proscan at none against 75 Hard Transform Tracker's 2. Charder Proscan also leads on iOS requirement (12.0 vs 16.4). 75 Hard Transform Tracker's advantage is update cadence (every 8 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 75 Hard Transform Tracker sells 2 in-app purchases, starting at $4.99 per 7 days. Charder Proscan asks for nothing beyond the download.

Charder Proscan ships an update every 3 months, 75 Hard Transform Tracker every 8 days. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Charder Proscan | 75 Hard Transform Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 204 MB | 54 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Charder Electronic Co., Ltd.](https://appshunter.io/developer/796349103) | [DeliberAI LLC](https://appshunter.io/developer/6789335085) |

## 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


### 75 Hard Transform Tracker

[App page](https://appshunter.io/ios/app/75-hard-transform-tracker/id6789335083)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is Charder Proscan free?

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

### Is 75 Hard Transform Tracker free?

75 Hard Transform Tracker is free to download, with in-app purchases available.

### Do Charder Proscan or 75 Hard Transform Tracker have ads?

Neither Charder Proscan nor 75 Hard Transform Tracker shows ads.

### Which is updated more often, Charder Proscan or 75 Hard Transform Tracker?

Charder Proscan ships an update every 3 months, and 75 Hard Transform Tracker every 8 days. Most recently, Charder Proscan was updated on October 20, 2026 and 75 Hard Transform Tracker on October 4, 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.*