# Linear Interpolation Master vs KROHNE PICK Mobile

The clearest difference is in-app purchases: KROHNE PICK Mobile at none against Linear Interpolation Master's 3. KROHNE PICK Mobile also leads on ads (none vs shown). Linear Interpolation Master's advantage is iOS requirement (11.0 vs 14.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Linear Interpolation Master sells 3 one-off in-app purchases. KROHNE PICK Mobile asks for nothing beyond the download.

Linear Interpolation Master ships an update every 5 months, KROHNE PICK Mobile every 2 months. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Linear Interpolation Master | KROHNE PICK Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (176 ratings)](https://appshunter.io/ios/app/linear-interpolation-master/id1433976994/reviews)** | — |
| Number of ratings | **176** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 89 MB |
| Requires iOS | **11.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VERVE TECHNOLOGIES PTY. LTD.](https://appshunter.io/developer/582523354) | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) |

## What reviewers say

### Linear Interpolation Master

[App page](https://appshunter.io/ios/app/linear-interpolation-master/id1433976994)

This tool simplifies linear interpolation calculations for industrial commissioning engineers. It features large, easily readable numbers for field use and allows for quick swapping of coordinate systems, such as converting between 4-20mA and 0-100% scales.

**Highlights:** Large number display for field visibility, Quickly swap X and Y coordinates, 4-20mA to 0-100% conversion, 0-100% to 4-20mA conversion

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Generous Tip | $2.99 | one-time |
| Massive Tip | $3.99 | one-time |
| Amazing Tip | $4.99 | one-time |


### KROHNE PICK Mobile

[App page](https://appshunter.io/ios/app/krohne-pick-mobile/id1661952103)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Linear Interpolation Master free?

Linear Interpolation Master is free to download, with in-app purchases available.

### Is KROHNE PICK Mobile free?

KROHNE PICK Mobile is free to download, with no in-app purchases.

### Do Linear Interpolation Master or KROHNE PICK Mobile have ads?

Linear Interpolation Master shows ads; KROHNE PICK Mobile does not.

### Which is updated more often, Linear Interpolation Master or KROHNE PICK Mobile?

Linear Interpolation Master ships an update every 5 months, and KROHNE PICK Mobile every 2 months. Most recently, Linear Interpolation Master was updated on October 18, 2026 and KROHNE PICK Mobile on October 4, 2026.

---

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