# MillenVPN vs US Unit Converter

The clearest difference is in-app purchases: MillenVPN at none against US Unit Converter's 1. MillenVPN also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 6 months). US Unit Converter's advantage is review sentiment (44% vs 27%). On price, rating, ratings volume and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for MillenVPN against 4.8 for US Unit Converter. Both are backed by a comparable volume of ratings — 54 and 108 respectively. Written reviews are what separate them: 27% of MillenVPN's written reviews are positive against 44% of US Unit Converter's.

MillenVPN ships an update every 6 weeks, US Unit Converter every 6 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | MillenVPN | US Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (54 ratings)](https://appshunter.io/ios/app/millenvpn/id1514053309/reviews)** | [4.8 (108 ratings)](https://appshunter.io/ios/app/us-unit-converter/id1577905442/reviews) |
| Number of ratings | 54 | **108** |
| Positive reviews | 27.3% of reviews | **44.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 6 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [アズポケット株式会社](https://appshunter.io/developer/1514053308) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### MillenVPN

[App page](https://appshunter.io/ios/app/millenvpn/id1514053309)

This service enhances your internet security and privacy, offering protection across public Wi-Fi and remote work environments. Access a global network of over 75 locations and 1300 VPN servers for a secure browsing experience.

**Highlights:** Enhanced internet security, Privacy protection, Secure public Wi-Fi, Secure remote work, Global server network, 75+ locations, 1300+ servers

**Features:** Vision Pro support

**In-app purchases:** none


### US Unit Converter

[App page](https://appshunter.io/ios/app/us-unit-converter/id1577905442)

Easily convert between US customary units and the International System of Units for various measurements like length, weight, area, volume, and temperature. Access conversion history and remove ads with a premium upgrade.

**Highlights:** Length conversion, Weight conversion, Area conversion, Liquid volume conversion, Temperature conversion, Conversion history, Ad-free option

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $3.99 | one-time |


## Frequently asked questions

### Is MillenVPN free?

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

### Is US Unit Converter free?

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

### Which has better reviews, MillenVPN or US Unit Converter?

MillenVPN is rated higher. MillenVPN averages 4.9 out of 5 from 54 ratings, while US Unit Converter averages 4.8 from 108 ratings.

### Do MillenVPN or US Unit Converter have ads?

US Unit Converter shows ads; MillenVPN does not.

### Which is updated more often, MillenVPN or US Unit Converter?

MillenVPN ships an update every 6 weeks, and US Unit Converter every 6 months. Most recently, MillenVPN was updated on September 24, 2026 and US Unit Converter on September 22, 2026.

---

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