# Linear Interpolation Master vs SkyLogic

The clearest difference is ads: SkyLogic at none against Linear Interpolation Master's shown. SkyLogic also leads on update cadence (every 4 weeks vs every 5 months). Linear Interpolation Master's advantage is iOS requirement (11.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Linear Interpolation Master sells 3 one-off in-app purchases and SkyLogic sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Linear Interpolation Master ships an update every 5 months, SkyLogic every 4 weeks. The most recent releases landed on September 27, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Linear Interpolation Master | SkyLogic |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 8 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VERVE TECHNOLOGIES PTY. LTD.](https://appshunter.io/developer/582523354) | [AYLIN BICEN](https://appshunter.io/developer/1839275591) |

## 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 |


### SkyLogic

[App page](https://appshunter.io/ios/app/skylogic-flight-dispatch/id6772773761)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkyLogicPro Monthly | $1.99 | per month |
| SkyLogicPro Annual | $19.99 | per year |


## Frequently asked questions

### Is Linear Interpolation Master free?

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

### Is SkyLogic free?

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

### Do Linear Interpolation Master or SkyLogic have ads?

Linear Interpolation Master shows ads; SkyLogic does not.

### Which is updated more often, Linear Interpolation Master or SkyLogic?

Linear Interpolation Master ships an update every 5 months, and SkyLogic every 4 weeks. Most recently, Linear Interpolation Master was updated on September 27, 2026 and SkyLogic on September 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.*