# Plain Units vs unit.

The clearest difference is ads: unit. at none against Plain Units's shown. unit. also leads on update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Plain Units sells 1 one-off in-app purchase and unit. sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Plain Units ships an update every 3 weeks, unit. every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Plain Units | unit. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unit-unit-converter/id6814284608/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 48 MB | 6 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nicolaus Lawson](https://appshunter.io/developer/1029201825) | [APP LABS LLC](https://appshunter.io/developer/1846489907) |

## What reviewers say

### Plain Units

[App page](https://appshunter.io/ios/app/plain-units-unit-converter/id6810955046)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### unit.

[App page](https://appshunter.io/ios/app/unit-unit-converter/id6814284608)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| 14-day Trial | Free | one-time |
| Full Unlock | $4.99 | one-time |
| Full Unlock | $6.99 | one-time |


## Frequently asked questions

### Is Plain Units free?

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

### Is unit. free?

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

### Do Plain Units or unit. have ads?

Plain Units shows ads; unit. does not.

### Which is updated more often, Plain Units or unit.?

Plain Units ships an update every 3 weeks, and unit. every 3 days. Most recently, Plain Units was updated on October 31, 2026 and unit. on October 31, 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.*