# Millimeter Pro vs MLT Industries

The clearest difference is price: MLT Industries at Free against Millimeter Pro's $3.99. MLT Industries also leads on review sentiment (100% vs 58%) and update cadence (every 11 days vs every 4 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

MLT Industries 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, MLT Industries every 11 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Millimeter Pro | MLT Industries |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 24 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [Matthew Thurtell](https://appshunter.io/developer/1631090693) |

## What reviewers say

### Millimeter Pro

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

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


### MLT Industries

[App page](https://appshunter.io/ios/app/mlt-industries/id1631090691)

Control and monitor your smart distribution panel from your smartphone. Manage lights, inverters, fridges, and more in your 12V system for vehicles and boats.

**Highlights:** Control 12V accessories remotely, Monitor smart distribution panel, Manage lights, fridges, inverters, Supports 8 x 20A and 2 x 50A outputs, Wireless control via smartphone app, Modernize 12V systems

**In-app purchases:** none


## Frequently asked questions

### Is Millimeter Pro free?

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

### Is MLT Industries free?

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

### Do Millimeter Pro or MLT Industries have ads?

Neither Millimeter Pro nor MLT Industries shows ads.

### Which is updated more often, Millimeter Pro or MLT Industries?

Millimeter Pro ships an update every 4 months, and MLT Industries every 11 days. Most recently, Millimeter Pro was updated on November 6, 2026 and MLT Industries on November 3, 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.*