# Millimeter Pro vs Super Ruler

The clearest difference is price: Super Ruler at Free against Millimeter Pro's $3.99. Super Ruler also leads on iOS requirement (11.0 vs 15.0). Millimeter Pro's advantage is ads (none vs shown) and update cadence (every 4 months vs every 109 months). On in-app purchases and device support there is nothing between them.

Super Ruler 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, Super Ruler every 109 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Millimeter Pro | Super Ruler |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | **Every 4 months** | Every 109 months |
| Monetization | Free | — |
| Best chart rank | **#186** | — |
| Size | 24 MB | 8 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [Hany Elmehy](https://appshunter.io/developer/959484887) |

## What reviewers say

### Millimeter Pro

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

**Currently charting:** #186 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


### Super Ruler

[App page](https://appshunter.io/ios/app/super-ruler/id1182697242)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Millimeter Pro free?

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

### Is Super Ruler free?

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

### Do Millimeter Pro or Super Ruler have ads?

Super Ruler shows ads; Millimeter Pro does not.

### Which is updated more often, Millimeter Pro or Super Ruler?

Millimeter Pro ships an update every 4 months, and Super Ruler every 109 months. Most recently, Millimeter Pro was updated on October 24, 2026 and Super Ruler on October 26, 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.*