# Millimeter Pro vs Game Collection

The clearest difference is price: Game Collection at Free against Millimeter Pro's $3.99. Millimeter Pro's advantage is chart position (#148 vs unranked) and device support. On update cadence, in-app purchases and iOS requirement there is nothing between them.

Game Collection is free to download; Millimeter Pro costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Millimeter Pro ships an update every 4 months, Game Collection every 3 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Millimeter Pro | Game Collection |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.4 (109 ratings)](https://appshunter.io/ios/app/millimeter-pro-screen-ruler/id631810777/reviews)** | — |
| Number of ratings | **109** | — |
| Positive reviews | 57.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Best chart rank | **#148** | — |
| Size | 24 MB | 104 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [丽君 程](https://appshunter.io/developer/1688044191) |

## What reviewers say

### Millimeter Pro

[App page](https://appshunter.io/ios/app/millimeter-pro-screen-ruler/id631810777)

**Currently charting:** #148 Top Paid · Utilities (US App Store)

This app transforms your device into a versatile measuring tool. It allows for precise measurements of length, area, diameter, and angles using the touchscreen. Easily split objects into equal parts and switch between millimeters and inches for your convenience.

**Highlights:** Touchscreen ruler and tape measure, Measure length, area, diameter, and angles, Split objects into equal parts, Supports millimeters and inches, Estimate radius, Thread pitch gauge

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

**In-app purchases:** none


### Game Collection

[App page](https://appshunter.io/ios/app/game-collection-classic/id6759361821)

**In-app purchases:** none


## Frequently asked questions

### Is Millimeter Pro free?

Millimeter Pro costs $3.99, with no in-app purchases.

### Is Game Collection free?

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

### Which is updated more often, Millimeter Pro or Game Collection?

Millimeter Pro ships an update every 4 months, and Game Collection every 3 months. Most recently, Millimeter Pro was updated on October 24, 2026 and Game Collection on October 7, 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.*