# Units vs Papiertresor

The clearest difference is ads: Units at none against Papiertresor's shown. Units also leads on device support (4 vs 2) and iOS requirement (15.0 vs 26.2). On price and in-app purchases there is nothing between them.

Both are free to download. Units sells 3 in-app purchases, starting at $0.99 per month and Papiertresor sells 1 in-app purchase, starting at $17.99 per 3 months. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Units | Papiertresor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (261 ratings)](https://appshunter.io/ios/app/units-unit-converter/id1527329982/reviews)** | — |
| Number of ratings | **261** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 7 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Maier](https://appshunter.io/developer/454364359) | [Christian Renneberg](https://appshunter.io/developer/1886131425) |

## What reviewers say

### Units

[App page](https://appshunter.io/ios/app/units-unit-converter/id1527329982)

Easily convert between a wide range of measurement units and currencies. Features a clear and simple interface for quick conversions of length, mass, volume, speed, and more. Supports popular currencies and common units for everyday use.

**Highlights:** Extensive unit conversions, Multiple currency support, Easy and clear handling, Converts length, mass, volume, Supports speed, area, pressure, Converts time and temperature

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| One time purchase | $9.99 | one-time |


### Papiertresor

[App page](https://appshunter.io/ios/app/papiertresor/id6761209545)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Papiertresor Pro | $17.99 | per 3 months |


## Frequently asked questions

### Is Units free?

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

### Is Papiertresor free?

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

### Do Units or Papiertresor have ads?

Papiertresor shows ads; Units does not.

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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.*