# Linear Interpolation Master vs AvFuel Converter

The clearest difference is price: Linear Interpolation Master at Free against AvFuel Converter's $1.99. Linear Interpolation Master also leads on ratings volume (176 vs 7). AvFuel Converter's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Linear Interpolation Master is free to download; AvFuel Converter costs $1.99 up front. Linear Interpolation Master sells 3 one-off in-app purchases. AvFuel Converter asks for nothing beyond the download.

AvFuel Converter holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Linear Interpolation Master has 176 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 63% of Linear Interpolation Master's written reviews are positive against 80% of AvFuel Converter's.

## The numbers

| Metric | Linear Interpolation Master | AvFuel Converter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.7 (176 ratings)](https://appshunter.io/ios/app/linear-interpolation-master/id1433976994/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/avfuel-converter/id1585552180/reviews)** |
| Number of ratings | **176** | 7 |
| Positive reviews | 62.5% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 16 MB | 15 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [VERVE TECHNOLOGIES PTY. LTD.](https://appshunter.io/developer/582523354) | [Black Mountain Investment Group, LLC](https://appshunter.io/developer/1661843151) |

## 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 |


### AvFuel Converter

[App page](https://appshunter.io/ios/app/avfuel-converter/id1585552180)

Simplify aircraft fuel calculations with this app. Enter your current fuel and desired amount, and it instantly computes conversions for you. Supports multiple fuel types and units, requiring no internet connection.

**Highlights:** Converts fuel for aircraft, Supports 7 fuel types, Handles 4 input units, Fast and easy to use, No internet required, Offline functionality

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

**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 AvFuel Converter free?

AvFuel Converter costs $1.99, with no in-app purchases.

### Which has better reviews, Linear Interpolation Master or AvFuel Converter?

AvFuel Converter is rated higher. Linear Interpolation Master averages 4.7 out of 5 from 176 ratings, while AvFuel Converter averages 5.0 from 7 ratings.

### Do Linear Interpolation Master or AvFuel Converter have ads?

Linear Interpolation Master shows ads; AvFuel Converter does not.

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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.*