# Sporlan Tech Check vs Linear Interpolation Master

Sporlan Tech Check and Linear Interpolation Master both sit at 4.6 stars, but that hides the real split: 100% of Sporlan Tech Check's written reviews are positive against 63% of Linear Interpolation Master's. Sporlan Tech Check also leads on in-app purchases (none vs 3) and ads (none vs shown). Linear Interpolation Master's advantage is ratings volume (176 vs 10) and iOS requirement (11.0 vs 14.0). On price, rating, 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. Sporlan Tech Check asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Sporlan Tech Check against 4.7 for Linear Interpolation Master. That said, the two scores are not equally well evidenced: Linear Interpolation Master has 176 ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 100% of Sporlan Tech Check's written reviews are positive against 63% of Linear Interpolation Master's.

Sporlan Tech Check ships an update every 3 months, Linear Interpolation Master every 5 months. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Sporlan Tech Check | Linear Interpolation Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (10 ratings)](https://appshunter.io/ios/app/sporlan-tech-check/id1267386360/reviews) | **[4.7 (176 ratings)](https://appshunter.io/ios/app/linear-interpolation-master/id1433976994/reviews)** |
| Number of ratings | 10 | **176** |
| Positive reviews | **100.0% of reviews** | 62.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 293 MB | 16 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rodrigo Miranda](https://appshunter.io/developer/1742641426) | [VERVE TECHNOLOGIES PTY. LTD.](https://appshunter.io/developer/582523354) |

## What reviewers say

### Sporlan Tech Check

[App page](https://appshunter.io/ios/app/sporlan-tech-check/id1267386360)

This app allows users to interface with the Sporlan S3C Case controller solution. It enables viewing case parameters, process values, graphing sensors, and temporarily overriding EEVs, EEPRs, and solenoids for easy troubleshooting.

**Highlights:** View current operation values, Graph selected sensors, Temporary override of EEVs, EEPRs, and solenoids, Export controller data to CSV, Troubleshoot refrigeration cases remotely

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sporlan Tech Check free?

Sporlan Tech Check is free to download, with no in-app purchases.

### Is Linear Interpolation Master free?

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

### Which has better reviews, Sporlan Tech Check or Linear Interpolation Master?

Linear Interpolation Master is rated higher. Sporlan Tech Check averages 4.6 out of 5 from 10 ratings, while Linear Interpolation Master averages 4.7 from 176 ratings.

### Do Sporlan Tech Check or Linear Interpolation Master have ads?

Linear Interpolation Master shows ads; Sporlan Tech Check does not.

### Which is updated more often, Sporlan Tech Check or Linear Interpolation Master?

Sporlan Tech Check ships an update every 3 months, and Linear Interpolation Master every 5 months. Most recently, Sporlan Tech Check was updated on October 14, 2026 and Linear Interpolation Master on October 18, 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.*