# Unit Conversion vs Longitude

The clearest difference is price: Longitude at Free against Unit Conversion's $0.99. Unit Conversion's advantage is in-app purchases (none vs 3) and iOS requirement (6.0 vs 17.0). On ads and device support there is nothing between them.

Longitude is free to download; Unit Conversion costs $0.99 up front. Longitude sells 3 in-app purchases, starting at $2.99 per month. Unit Conversion asks for nothing beyond the download.

## The numbers

| Metric | Unit Conversion | Longitude |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (103 ratings)](https://appshunter.io/ios/app/unit-conversion-converter-and-calculator/id336359986/reviews)** | — |
| Number of ratings | **103** | — |
| Positive reviews | 73.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 3 MB | 12 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fapps World et Cie S.E.C.S.](https://appshunter.io/developer/881437066) | [Chris Schrade](https://appshunter.io/developer/1637243042) |

## What reviewers say

### Unit Conversion

[App page](https://appshunter.io/ios/app/unit-conversion-converter-and-calculator/id336359986)

Easily convert between various units with this app, featuring 16 categories like temperature, currency, and distance. It also includes standard and scientific calculators, eliminating the need to switch between apps. Frequently used units are prioritized for quick access.

**Highlights:** 16 unit categories, Standard and scientific calculators, Units sorted by frequency of use, Programmable buttons for favorites, Live currency conversion rates, Intuitive user interface

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

**In-app purchases:** none


### Longitude

[App page](https://appshunter.io/ios/app/longitude-world-clock/id6761304850)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Longitude Pro - Monthly | $2.99 | per month |
| Longitude Pro - Annual | $19.99 | per year |
| Longitude Pro - Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Unit Conversion free?

Unit Conversion costs $0.99, with no in-app purchases.

### Is Longitude free?

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

### Do Unit Conversion or Longitude have ads?

Neither Unit Conversion nor Longitude shows ads.

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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.*