# Millimeter Pro vs LDTSight

The clearest difference is price: LDTSight at Free against Millimeter Pro's $3.99. LDTSight also leads on iOS requirement (12.0 vs 15.0). Millimeter Pro's advantage is device support. On in-app purchases there is nothing between them.

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

## The numbers

| Metric | Millimeter Pro | LDTSight |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 24 MB | 99 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [KE XU](https://appshunter.io/developer/1527970260) |

## 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


### LDTSight

[App page](https://appshunter.io/ios/app/ldtsight/id6471476170)

**In-app purchases:** none


## Frequently asked questions

### Is Millimeter Pro free?

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

### Is LDTSight free?

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

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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.*