# Mobile Fast Scanner Image PDF vs Unit Converter

The clearest difference is rating: Unit Converter at 3.0 against Mobile Fast Scanner Image PDF's 2.3. Unit Converter also leads on ads (none vs shown) and update cadence (every 8 days vs every 11 months). Mobile Fast Scanner Image PDF's advantage is ratings volume (3 vs 1). On price, 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.

Unit Converter holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Mobile Fast Scanner Image PDF ships an update every 11 months, Unit Converter every 8 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Mobile Fast Scanner Image PDF | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/mobile-fast-scanner-image-pdf/id1093055458/reviews) | **[3.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-simple-and-easy/id6470110472/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 8 days** |
| Monetization | Ad-supported | **Free** |
| Size | 49 MB | 58 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ha Lan](https://appshunter.io/developer/1041808546) | [Horikiri Seiu](https://appshunter.io/developer/1480680977) |

## What reviewers say

### Mobile Fast Scanner Image PDF

[App page](https://appshunter.io/ios/app/mobile-fast-scanner-image-pdf/id1093055458)

Transform paper documents into high-quality digital PDFs or JPGs using your phone's camera. This app efficiently scans various paper types, from receipts to contracts, and allows for easy sharing of converted files. It also includes a passcode feature for added security.

**Highlights:** Scan documents to PDF or JPG, Convert images to PDF, Convert PDF to JPG, Share PDF/JPEG files, Passcode protection

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-simple-and-easy/id6470110472)

Easily convert between various units of measurement with a simple and intuitive interface. Ideal for everyday tasks, from everyday calculations to specific examples like sports speeds and temperatures.

**Highlights:** Easy UI for conversions, Supports everyday unit types, Converts speeds, weights, distances, and temperatures, Convenient for daily use

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

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Fast Scanner Image PDF free?

Mobile Fast Scanner Image PDF is free to download, with no in-app purchases.

### Is Unit Converter free?

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

### Which has better reviews, Mobile Fast Scanner Image PDF or Unit Converter?

Unit Converter is rated higher. Mobile Fast Scanner Image PDF averages 2.3 out of 5 from 3 ratings, while Unit Converter averages 3.0 from 1 ratings.

### Do Mobile Fast Scanner Image PDF or Unit Converter have ads?

Mobile Fast Scanner Image PDF shows ads; Unit Converter does not.

### Which is updated more often, Mobile Fast Scanner Image PDF or Unit Converter?

Mobile Fast Scanner Image PDF ships an update every 11 months, and Unit Converter every 8 days. Most recently, Mobile Fast Scanner Image PDF was updated on November 2, 2026 and Unit Converter on November 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.*