# Unit converter vs DocSafe

The clearest difference is price: Unit converter at Free against DocSafe's $0.99. DocSafe's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.6). On update cadence, in-app purchases and device support there is nothing between them.

Unit converter is free to download; DocSafe costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unit converter ships an update every 24 months, DocSafe every 29 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Unit converter | DocSafe |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086/reviews)** | — |
| Number of ratings | **14** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 24 months** | Every 29 months |
| Monetization | Ad-supported | — |
| Size | 7 MB | 59 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deepak Jalwa](https://appshunter.io/developer/1809904290) | [Adnan Pothiawala](https://appshunter.io/developer/1496589676) |

## What reviewers say

### Unit converter

[App page](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086)

This application offers a straightforward and efficient way to convert various units. It features a simple interface for quick conversions and allows users to save their conversion history for future reference.

**Highlights:** Simple unit conversion, Quick conversion tool, Save conversion history, Intuitive UI, Elegant design

**Features:** macOS Compatibility

**In-app purchases:** none


### DocSafe

[App page](https://appshunter.io/ios/app/docsafe-documents-our-shield/id6474992056)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit converter free?

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

### Is DocSafe free?

DocSafe costs $0.99, with no in-app purchases.

### Do Unit converter or DocSafe have ads?

Unit converter shows ads; DocSafe does not.

### Which is updated more often, Unit converter or DocSafe?

Unit converter ships an update every 24 months, and DocSafe every 29 months. Most recently, Unit converter was updated on October 8, 2026 and DocSafe on October 7, 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.*