# Unit Converter vs CardFit Scanner

The clearest difference is in-app purchases: CardFit Scanner at none against Unit Converter's 2. CardFit Scanner also leads on ads (none vs shown) and update cadence (weekly vs every 13 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Unit Converter sells 2 in-app purchases, starting at $4.99 per month. CardFit Scanner asks for nothing beyond the download.

Unit Converter ships an update every 13 months, CardFit Scanner weekly. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Unit Converter | CardFit Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/unit-converter/id1377049882/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 22 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Ginylil SL.](https://appshunter.io/developer/1883411266) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter/id1377049882)

This app offers a wide range of unit conversions for various measurements, from temperature to length. It features a user-friendly interface, customizable themes, and smart features that remember your frequent conversions. It also links to external apps for specialized tasks.

**Highlights:** Broad conversion spectrum, Personalizable themes, User-friendly interface, Smart features for frequent conversions, Links to specialized external apps

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unit Converter | $4.99 | per month |
| Unit Converter | $39.99 | per year |


### CardFit Scanner

[App page](https://appshunter.io/ios/app/cardfit-scanner/id6771956270)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is CardFit Scanner free?

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

### Do Unit Converter or CardFit Scanner have ads?

Unit Converter shows ads; CardFit Scanner does not.

### Which is updated more often, Unit Converter or CardFit Scanner?

Unit Converter ships an update every 13 months, and CardFit Scanner weekly. Most recently, Unit Converter was updated on October 26, 2026 and CardFit Scanner 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.*