# Measures Unit Converter vs 3D Visited Countries Pro

The clearest difference is in-app purchases: 3D Visited Countries Pro at none against Measures Unit Converter's 4. 3D Visited Countries Pro also leads on device support (4 vs 2) and iOS requirement (16.0 vs 18.0). Measures Unit Converter's advantage is update cadence (every 8 days vs every 36 months). On price and ads there is nothing between them.

Measures Unit Converter costs $1.99 and 3D Visited Countries Pro $1.99 up front. Measures Unit Converter sells 4 one-off in-app purchases. 3D Visited Countries Pro asks for nothing beyond the download.

Measures Unit Converter ships an update every 8 days, 3D Visited Countries Pro every 36 months. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Measures Unit Converter | 3D Visited Countries Pro |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.4 (38 ratings)](https://appshunter.io/ios/app/measures-unit-converter/id287918318/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 91.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 36 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 8 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | +4 |
| Developer | [Neuwert Media GmbH](https://appshunter.io/developer/287918321) | [Jufen Chang](https://appshunter.io/developer/1075589996) |

## What reviewers say

### Measures Unit Converter

[App page](https://appshunter.io/ios/app/measures-unit-converter/id287918318)

This app offers a comprehensive unit conversion tool with over 971 units across 40 categories, including 173 currencies with real-time exchange rates. It features an intuitive interface, a scientific calculator, and offline functionality, making it ideal for precise conversions.

**Highlights:** 971 units across 40 categories, 173 currencies with real-time rates, Offline conversion functionality, Scientific calculator, Intuitive redesigned interface, Customizable themes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Breakfast | $4.99 | one-time |
| Lunch | $9.99 | one-time |
| Dinner | $19.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Comprehensive range of conversions
- 💡 Customizable unit selection
- 🔍 Accurate and up-to-date currency rates
- 🔢 Handy built-in calculator

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔀 Cumbersome navigation for some conversions
- 🔍 Lack of customization options for some units
- 💤 Outdated or inaccurate conversion factors in some cases

**Reported bugs**

- Crashes on launch with iOS 7.0.2
- Inconsistent behavior when changing units in calculator

**Requested features**

- Add ability to swap conversion directions
- Improve currency conversion to show tourist rates
- Expand RF/frequency conversion options
- Add support for more advanced unit types (e.g. wind chill, biblical currencies)


### 3D Visited Countries Pro

[App page](https://appshunter.io/ios/app/3d-visited-countries-pro/id1221740491)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Measures Unit Converter free?

Measures Unit Converter costs $1.99, and also offers in-app purchases.

### Is 3D Visited Countries Pro free?

3D Visited Countries Pro costs $1.99, with no in-app purchases.

### Do Measures Unit Converter or 3D Visited Countries Pro have ads?

Neither Measures Unit Converter nor 3D Visited Countries Pro shows ads.

### Which is updated more often, Measures Unit Converter or 3D Visited Countries Pro?

Measures Unit Converter ships an update every 8 days, and 3D Visited Countries Pro every 36 months. Most recently, Measures Unit Converter was updated on October 27, 2026 and 3D Visited Countries Pro on October 7, 2026.

---

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