# Millimeter Pro vs KP PumpCalc

The clearest difference is price: KP PumpCalc at Free against Millimeter Pro's $3.99. Millimeter Pro's advantage is in-app purchases (none vs 1) and chart position (#186 vs unranked). On ads there is nothing between them.

KP PumpCalc is free to download; Millimeter Pro costs $3.99 up front. KP PumpCalc sells 1 one-off in-app purchase. Millimeter Pro asks for nothing beyond the download.

## The numbers

| Metric | Millimeter Pro | KP PumpCalc |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Best chart rank | **#186** | — |
| Size | 24 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [Kimiapro Inc.](https://appshunter.io/developer/1842468998) |

## 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


### KP PumpCalc

[App page](https://appshunter.io/ios/app/kp-pumpcalc/id6776065334)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $7.99 | one-time |


## Frequently asked questions

### Is Millimeter Pro free?

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

### Is KP PumpCalc free?

KP PumpCalc is free to download, with in-app purchases available.

### Do Millimeter Pro or KP PumpCalc have ads?

Neither Millimeter Pro nor KP PumpCalc shows ads.

---

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