# Basic Unit Converter vs Unit Converter and Calculator.

The clearest difference is review sentiment: Basic Unit Converter at 100% against Unit Converter and Calculator.'s 28%. Basic Unit Converter also leads on in-app purchases (none vs 1) and ads (none vs shown). Unit Converter and Calculator.'s advantage is rating (4.3 vs 4.0) and ratings volume (83 vs 2). On price, update cadence and device support there is nothing between them.

Both are free to download. Unit Converter and Calculator. sells 1 one-off in-app purchase. Basic Unit Converter asks for nothing beyond the download.

Unit Converter and Calculator. holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Unit Converter and Calculator. has 83 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 100% of Basic Unit Converter's written reviews are positive against 28% of Unit Converter and Calculator.'s, so the app with the better star average is not the one people write more warmly about.

Basic Unit Converter ships an update every 2 weeks, Unit Converter and Calculator. monthly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Basic Unit Converter | Unit Converter and Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/basic-unit-converter/id1547306354/reviews) | **[4.3 (83 ratings)](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634/reviews)** |
| Number of ratings | 2 | **83** |
| Positive reviews | **100.0% of reviews** | 28.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 84 MB | 19 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Double Theory Ltd](https://appshunter.io/developer/1525279410) | [Kemal Bakacak](https://appshunter.io/developer/1475963902) |

## What reviewers say

### Basic Unit Converter

[App page](https://appshunter.io/ios/app/basic-unit-converter/id1547306354)

Easily convert between various units of measurement across 12 categories including length, mass, temperature, and digital storage. Ideal for cooking, personal measurements, or general calculations.

**Highlights:** 12 conversion categories, Supports metric and imperial units, Instant calculation, Intuitive interface, Wide range of units

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

**In-app purchases:** none


### Unit Converter and Calculator.

[App page](https://appshunter.io/ios/app/unit-converter-and-calculator/id1559358634)

Effortlessly perform a vast array of unit conversions with this comprehensive mobile application. It offers real-time, accurate results across over 70 categories and 1450 units, featuring a user-friendly design and offline access.

**Highlights:** Real-time conversions, Over 70 categories, More than 1450 units, Offline access, User-friendly design, Customizable settings, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium, All Calculation Units | $2.99 | one-time |


## Frequently asked questions

### Is Basic Unit Converter free?

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

### Is Unit Converter and Calculator. free?

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

### Which has better reviews, Basic Unit Converter or Unit Converter and Calculator.?

Unit Converter and Calculator. is rated higher. Basic Unit Converter averages 4.0 out of 5 from 2 ratings, while Unit Converter and Calculator. averages 4.3 from 83 ratings.

### Do Basic Unit Converter or Unit Converter and Calculator. have ads?

Unit Converter and Calculator. shows ads; Basic Unit Converter does not.

### Which is updated more often, Basic Unit Converter or Unit Converter and Calculator.?

Basic Unit Converter ships an update every 2 weeks, and Unit Converter and Calculator. monthly. Most recently, Basic Unit Converter was updated on October 7, 2026 and Unit Converter and Calculator. on October 24, 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.*