# Xpat MV vs UnitDeck

The clearest difference is in-app purchases: Xpat MV at none against UnitDeck's 1. Xpat MV also leads on iOS requirement (12.3 vs 17.0). UnitDeck's advantage is update cadence (every 2 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. UnitDeck sells 1 one-off in-app purchase. Xpat MV asks for nothing beyond the download.

Xpat MV ships an update every 6 months, UnitDeck every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Xpat MV | UnitDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 12 MB | 3 MB |
| Requires iOS | **12.3** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ministry of Economic Development](https://appshunter.io/developer/1584199935) | [建辉 刘](https://appshunter.io/developer/6790622804) |

## What reviewers say

### Xpat MV

[App page](https://appshunter.io/ios/app/xpat-mv/id6444086058)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitDeck

[App page](https://appshunter.io/ios/app/unitdeck-work-unit-converter/id6792440865)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitDeck Pro – Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Xpat MV free?

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

### Is UnitDeck free?

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

### Do Xpat MV or UnitDeck have ads?

Neither Xpat MV nor UnitDeck shows ads.

### Which is updated more often, Xpat MV or UnitDeck?

Xpat MV ships an update every 6 months, and UnitDeck every 2 weeks. Most recently, Xpat MV was updated on October 27, 2026 and UnitDeck on October 25, 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.*