# Unit Converter vs Converter

The clearest difference is in-app purchases: Converter at none against Unit Converter's 3. Converter also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.6). Unit Converter's advantage is update cadence (weekly vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Unit Converter sells 3 in-app purchases, starting at $0.99 per month. Converter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Unit Converter against 4.9 for Converter. Both are backed by a comparable volume of ratings — 1.5K and 981 respectively. Written reviews are what separate them: 88% of Unit Converter's written reviews are positive against 94% of Converter's.

Unit Converter ships an update weekly, Converter every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Unit Converter | Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/unit-converter-milas-tools/id403110615/reviews) | **[4.9 (981 ratings)](https://appshunter.io/ios/app/converter-universal-conversion/id423521445/reviews)** |
| Number of ratings | **1.5K** | 981 |
| Positive reviews | 87.7% of reviews | **93.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 37 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Scott DeSapio](https://appshunter.io/developer/403110618) | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-milas-tools/id403110615)

This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.

**Highlights:** 27 conversion categories, 300+ units, Compound unit support, Date calculator, Fractions and number conversions, Historical units, Customizable interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mila's Tools PRO Monthly | $0.99 | per month |
| Mila's Tools PRO Yearly | $4.99 | per year |
| Mila's Tools PRO Lifetime | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and accurate conversions
- 💡 Comprehensive list of units
- 🔍 Convenient for everyday use
- ⭐ Reliable and consistent

**What reviewers complain about**

- 🐛 Scrolling issues on newer devices
- 🔍 Limited customization options
- 💰 Desire for free version to remain free

**Reported bugs**

- Crashes or freezes on some devices
- Conversion results not displaying properly

**Requested features**

- Ability to customize order of conversion units
- Addition of more specialized units (e.g. astronomical distances)
- Improved scrolling functionality on all devices


### Converter

[App page](https://appshunter.io/ios/app/converter-universal-conversion/id423521445)

This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.

**Highlights:** Currency converter with live exchange rates, Over 300 engineering and scientific units, Specialized hardness converter, Timezone conversion, Running pace calculator, Integrated standard calculator, Conversion history log

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate and fast conversions
- 💡 Comprehensive coverage of units and categories
- 🔒 No ads or hidden fees
- 💡 Useful currency converter

**What reviewers complain about**

- 🐛 Currency conversion rates can be outdated
- 🔍 Difficult to find specific conversions due to large number of options
- 💡 Lack of ability to set favorite conversions as default

**Reported bugs**

- Occasional crashes on startup for non-English/German users
- Conversion from meters to feet does not show inches

**Requested features**

- Add fuel efficiency conversions
- Allow users to set favorite conversions as default
- Improve currency conversion rate updates


## Frequently asked questions

### Is Unit Converter free?

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

### Is Converter free?

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

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

Converter is rated higher. Unit Converter averages 4.8 out of 5 from 1.5K ratings, while Converter averages 4.9 from 981 ratings.

### Do Unit Converter or Converter have ads?

Unit Converter shows ads; Converter does not.

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

Unit Converter ships an update weekly, and Converter every 2 months. Most recently, Unit Converter was updated on October 29, 2026 and Converter on October 25, 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.*