# CamScan vs Unit Conversion Calculator $

The clearest difference is in-app purchases: Unit Conversion Calculator $ at none against CamScan's 3. Unit Conversion Calculator $ also leads on iOS requirement (13.0 vs 15.6). CamScan's advantage is ads (none vs shown) and update cadence (every 5 days vs every 9 months). On price and device support there is nothing between them.

Both are free to download. CamScan sells 3 in-app purchases, starting at $1.99 per 7 days. Unit Conversion Calculator $ asks for nothing beyond the download.

CamScan ships an update every 5 days, Unit Conversion Calculator $ every 9 months. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CamScan | Unit Conversion Calculator $ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 9 months |
| Size | 1 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [APPSTACK LLC](https://appshunter.io/developer/1454414263) | [JanoGroup LLC](https://appshunter.io/developer/1781461557) |

## What reviewers say

### CamScan

[App page](https://appshunter.io/ios/app/camscan-pdf-scanner-app/id6474715610)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $44.99 | per year |


### Unit Conversion Calculator $

[App page](https://appshunter.io/ios/app/unit-conversion-calculator/id6742060456)

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

**In-app purchases:** none


## Frequently asked questions

### Is CamScan free?

CamScan is free to download, with in-app purchases available.

### Is Unit Conversion Calculator $ free?

Unit Conversion Calculator $ is free to download, with no in-app purchases.

### Do CamScan or Unit Conversion Calculator $ have ads?

Unit Conversion Calculator $ shows ads; CamScan does not.

### Which is updated more often, CamScan or Unit Conversion Calculator $?

CamScan ships an update every 5 days, and Unit Conversion Calculator $ every 9 months. Most recently, CamScan was updated on October 1, 2026 and Unit Conversion Calculator $ on October 12, 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.*