# Unit converter vs Uniter

The clearest difference is in-app purchases: Unit converter at none against Uniter's 3. Unit converter also leads on rating (4.9 vs 4.7). Uniter's advantage is ads (none vs shown) and update cadence (every 4 days vs every 24 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Uniter sells 3 in-app purchases, starting at $3.99 per month. Unit converter asks for nothing beyond the download.

Unit converter holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Uniter has 73 ratings behind it against 14, so its average is the more settled of the two.

Unit converter ships an update every 24 months, Uniter every 4 days. The most recent releases landed on June 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Unit converter | Uniter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086/reviews)** | [4.7 (73 ratings)](https://appshunter.io/ios/app/uniter-smart-unit-conversion/id1589272507/reviews) |
| Number of ratings | 14 | **73** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 24 months | **Every 4 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 10 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Deepak Jalwa](https://appshunter.io/developer/1809904290) | [Arkadiusz Holko](https://appshunter.io/developer/683846458) |

## 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


### Uniter

[App page](https://appshunter.io/ios/app/uniter-smart-unit-conversion/id1589272507)

Effortlessly convert units of measurement directly within text, websites, or even through your camera. This utility automatically detects and converts units to your preferred system, supporting a vast array of measurement types.

**Highlights:** Automatic unit conversion, Live side-by-side converter, File import for conversion, Camera text scanning, Safari extension, Extensive unit support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Uniter Pro (Monthly) | $3.99 | per month |
| Uniter Pro (Annual) | $14.99 | per year |
| Uniter Pro (Lifetime) | $39.99 | one-time |


## Frequently asked questions

### Is Unit converter free?

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

### Is Uniter free?

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

### Which has better reviews, Unit converter or Uniter?

Unit converter is rated higher. Unit converter averages 4.9 out of 5 from 14 ratings, while Uniter averages 4.7 from 73 ratings.

### Do Unit converter or Uniter have ads?

Unit converter shows ads; Uniter does not.

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

Unit converter ships an update every 24 months, and Uniter every 4 days. Most recently, Unit converter was updated on June 4, 2026 and Uniter on September 10, 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.*