# Unit Converter vs Convertible

The clearest difference is in-app purchases: Convertible at none against Unit Converter's 3. Convertible also leads on ads (none vs shown) and iOS requirement (8.0 vs 17.6). Unit Converter's advantage is update cadence (weekly vs every 2 months) and ratings volume (1.5K vs 101). On price, rating, review sentiment and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for Unit Converter against 4.8 for Convertible. That said, the two scores are not equally well evidenced: Unit Converter has 1.5K ratings behind it against 101, so its average is the more settled of the two. Written reviews are what separate them: 88% of Unit Converter's written reviews are positive against 89% of Convertible's.

Unit Converter ships an update weekly, Convertible every 2 months. The most recent releases landed on November 10, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Unit Converter | Convertible |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/unit-converter-milas-tools/id403110615/reviews) | **[4.8 (101 ratings)](https://appshunter.io/ios/app/convertible-unit-converter/id514233370/reviews)** |
| Number of ratings | **1.5K** | 101 |
| Positive reviews | 87.7% of reviews | **89.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 13 MB | 12 MB |
| Requires iOS | 17.6 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Scott DeSapio](https://appshunter.io/developer/403110618) | [Efecto Pty Ltd](https://appshunter.io/developer/331691709) |

## 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


### Convertible

[App page](https://appshunter.io/ios/app/convertible-unit-converter/id514233370)

This app offers a comprehensive unit and currency conversion tool with a visually appealing interface and extensive unit options. It supports standard and non-standard units, compound conversions, and fraction input, making it versatile for various needs.

**Highlights:** Extensive standard and non-standard unit conversions, Currency conversion with 161 currencies, Compound unit conversion, Fraction input and output, Adjustable decimal precision, Elegant interface with themes, iPad split view and Today Extension support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💻 Excellent user interface
- ⚙️ Comprehensive set of conversion units
- 🔍 Intuitive and easy to use
- 🎨 Customizable color themes
- 🕰️ Saves last conversion

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Navigation can be confusing at times
- 🔢 Lack of support for custom units

**Reported bugs**

- Conversion results not always accurate
- Crashes when trying to share conversion results

**Requested features**

- Add support for more measurement categories (e.g. fuel consumption, flow rate)
- Implement a search function to easily find units
- Provide a widget for quick access to conversions
- Add support for more languages


## Frequently asked questions

### Is Unit Converter free?

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

### Is Convertible free?

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

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

Convertible is rated higher. Unit Converter averages 4.8 out of 5 from 1.5K ratings, while Convertible averages 4.8 from 101 ratings.

### Do Unit Converter or Convertible have ads?

Unit Converter shows ads; Convertible does not.

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

Unit Converter ships an update weekly, and Convertible every 2 months. Most recently, Unit Converter was updated on November 10, 2026 and Convertible on November 1, 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.*