# Interpolation 1.4 vs Simple Xwind

The clearest difference is rating: Simple Xwind at 5.0 against Interpolation 1.4's 3.5. Simple Xwind also leads on review sentiment (67% vs 33%). Interpolation 1.4's advantage is ratings volume (6 vs 2) and iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simple Xwind holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 33% of Interpolation 1.4's written reviews are positive against 67% of Simple Xwind's.

## The numbers

| Metric | Interpolation 1.4 | Simple Xwind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/interpolation-14/id557950545/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-xwind/id6741716196/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 33.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZOFTERM](https://appshunter.io/developer/557950548) | [Alex Deutz](https://appshunter.io/developer/1795229168) |

## What reviewers say

### Interpolation 1.4

[App page](https://appshunter.io/ios/app/interpolation-14/id557950545)

This utility calculates linear or quadratic interpolations. It provides a straightforward tool for mathematical estimations based on given data points.

**Highlights:** Linear interpolation calculation, Quadratic interpolation calculation, Mathematical estimation tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Xwind

[App page](https://appshunter.io/ios/app/simple-xwind/id6741716196)

Quickly calculate crosswind and tailwind limits during flight. This app provides fast, precise calculations without clutter or unnecessary graphics, designed for immediate use when conditions change unexpectedly.

**Highlights:** Quick crosswind calculations, Precise tailwind limits, Fast and reliable, Simple, clutter-free interface, Designed for speed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interpolation 1.4 free?

Interpolation 1.4 is free to download, with no in-app purchases.

### Is Simple Xwind free?

Simple Xwind is free to download, with no in-app purchases.

### Which has better reviews, Interpolation 1.4 or Simple Xwind?

Simple Xwind is rated higher. Interpolation 1.4 averages 3.5 out of 5 from 6 ratings, while Simple Xwind averages 5.0 from 2 ratings.

### Do Interpolation 1.4 or Simple Xwind have ads?

Neither Interpolation 1.4 nor Simple Xwind shows ads.

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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.*