# Unit Converter vs GP Delivery

The clearest difference is in-app purchases: GP Delivery at none against Unit Converter's 12. GP Delivery also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). Unit Converter's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Unit Converter sells 12 in-app purchases, starting at $2.49 per month. GP Delivery asks for nothing beyond the download.

Unit Converter ships an update weekly, GP Delivery every 3 days. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Unit Converter | GP Delivery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14K ratings)](https://appshunter.io/ios/app/unit-converter-convert-all/id417794697/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 58.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 69 MB | 64 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [oWorld Software](https://appshunter.io/developer/291192797) | [Joseph El-Rich Koffi KOSSOUVI](https://appshunter.io/developer/6800528121) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-convert-all/id417794697)

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

**Highlights:** Real-time currency conversions, Extensive unit categories (weight, temp, length, volume, etc.), Simple and intuitive interface, Supports international currencies, Includes time, speed, and IT units, Unlockable premium units

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $2.49 | per month |
| Unit Converter Premium - 1y | $8.99 | per year |
| Get premium | $14.99 | per year |
| Premium 1 year | $14.99 | per year |
| Conversion Calculator Pro - 1y | $19.99 | per year |
| Conversion clothing sizes 1y | $0.99 | one-time |
| Conversion liquids/volumes 1y | $0.99 | one-time |
| Remove Ads 1y | $0.99 | one-time |
| Conversion angles, forces 1y | $1.99 | one-time |
| Conversion of shoe sizes 1y | $1.99 | one-time |
| Currency Converter 1y | $1.99 | one-time |
| Convert all units + No ads | $29.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Comprehensive unit conversions
- 👍 Helpful app
- 👍 Practical for engineering and mechanics
- 👍 Intuitive interface

**What reviewers complain about**

- 🔍 Too many ads
- 🔍 Ads make the app unusable
- 🔍 Ads are invasive and disrupt user experience
- 💰 Expensive subscription for ad-free version
- 🐛 Crashes and stability issues

**Reported bugs**

- Conversion calculations are sometimes inaccurate
- Inability to enter decimal values in some conversions
- Compatibility issues with newer devices

**Requested features**

- Dark mode option
- Favorites/frequently used units
- Improved ad-supported free version
- More customization options


### GP Delivery

[App page](https://appshunter.io/ios/app/gp-delivery/id6800527848)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

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

### Is GP Delivery free?

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

### Do Unit Converter or GP Delivery have ads?

Unit Converter shows ads; GP Delivery does not.

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

Unit Converter ships an update weekly, and GP Delivery every 3 days. Most recently, Unit Converter was updated on October 17, 2026 and GP Delivery on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*