# Unit Convert Master vs Document Reader & PDF View

The clearest difference is ads: Document Reader & PDF View at none against Unit Convert Master's shown. Document Reader & PDF View also leads on iOS requirement (15.5 vs 18.2). 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.

## The numbers

| Metric | Unit Convert Master | Document Reader & PDF View |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unit-convert-master/id6743671551/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Ad-supported | — |
| Size | 4 MB | 106 MB |
| Requires iOS | 18.2 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mizuki Hoshida](https://appshunter.io/developer/1797942917) | [Fexo FZC LLC](https://appshunter.io/developer/1833372763) |

## What reviewers say

### Unit Convert Master

[App page](https://appshunter.io/ios/app/unit-convert-master/id6743671551)

Easily convert between over 100 measurement units across 15 categories. This app offers a user-friendly interface, offline functionality, and a history of your conversions for quick access. Ideal for students, professionals, and everyday users needing precise calculations.

**Highlights:** 15+ conversion categories, 100+ measurement units, Intuitive interface with themes, Custom keyboard for input, Conversion history with search, Offline functionality

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

**In-app purchases:** none


### Document Reader & PDF View

[App page](https://appshunter.io/ios/app/document-reader-and-pdf-view/id6792879053)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Convert Master free?

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

### Is Document Reader & PDF View free?

Document Reader & PDF View is free to download, with no in-app purchases.

### Do Unit Convert Master or Document Reader & PDF View have ads?

Unit Convert Master shows ads; Document Reader & PDF View does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*