# Unit Converter Expert vs Unit Converter

The clearest difference is ads: Unit Converter Expert at none against Unit Converter's shown. Unit Converter Expert also leads on review sentiment (50% vs 25%) and monetization model (free vs free with in-app purchases). Unit Converter's advantage is rating (4.9 vs 4.5) and update cadence (weekly vs every 3 weeks). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Unit Converter Expert sells 1 one-off in-app purchase and Unit Converter sells 10 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Unit Converter holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews complicate that: 50% of Unit Converter Expert's written reviews are positive against 25% of Unit Converter's, so the app with the better star average is not the one people write more warmly about.

Unit Converter Expert ships an update every 3 weeks, Unit Converter weekly. The most recent releases landed on June 8, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Unit Converter Expert | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/unit-converter-expert/id1491878360/reviews) | **[4.9 (7 ratings)](https://appshunter.io/ios/app/unit-converter-science-tools/id1557454960/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | **50.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 19 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mehta Group Ltd](https://appshunter.io/developer/368949469) | [Eugene Kugut](https://appshunter.io/developer/1557454962) |

## What reviewers say

### Unit Converter Expert

[App page](https://appshunter.io/ios/app/unit-converter-expert/id1491878360)

This app offers a comprehensive unit conversion tool with five main categories: Basic, Engineering, Computer/IT, Special, and Ancient/Historical. It features an intuitive interface, instant results, and the ability to mark favorite conversions for quick access.

**Highlights:** Wide range of unit conversions, Five main categories, Intuitive user interface, Instant and clear results, Mark favorite conversions, Supports all devices

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unit Converter Pro | $0.99 | one-time |


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-science-tools/id1557454960)

This app offers over 30 unit converters for science, engineering, and everyday use. It features advanced options like adjustable rounding, smart search, and calculation history, with customizable themes and an iPad-optimized interface.

**Highlights:** Over 30 unit converters, Adjustable rounding, Smart search by name or units, Copy/paste values, Swap units with one button, Calculation history, Customizable themes

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium access | $0.99 | per 7 days |
| Premium access | $0.99 | per month |
| Premium access | $1.99 | per 7 days |
| Premium access | $1.99 | per month |
| Premium access | $2.99 | per month |
| Premium access | $8.99 | per year |
| Premium access | $9.99 | per year |
| Premium access | $17.99 | per year |
| Premium access | $19.99 | per year |
| Premium access | $44.99 | one-time |


## Frequently asked questions

### Is Unit Converter Expert free?

Unit Converter Expert is free to download, with in-app purchases available.

### Is Unit Converter free?

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

### Which has better reviews, Unit Converter Expert or Unit Converter?

Unit Converter is rated higher. Unit Converter Expert averages 4.5 out of 5 from 4 ratings, while Unit Converter averages 4.9 from 7 ratings.

### Do Unit Converter Expert or Unit Converter have ads?

Unit Converter shows ads; Unit Converter Expert does not.

### Which is updated more often, Unit Converter Expert or Unit Converter?

Unit Converter Expert ships an update every 3 weeks, and Unit Converter weekly. Most recently, Unit Converter Expert was updated on June 8, 2026 and Unit Converter on September 20, 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.*