# iTurbo vs Navier Stokes Explained

The clearest difference is ads: iTurbo at none against Navier Stokes Explained's shown. iTurbo also leads on monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for iTurbo against 5.0 for Navier Stokes Explained. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | iTurbo | Navier Stokes Explained |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/iturbo/id314368331/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/navier-stokes-explained/id6814265444/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 54 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 2 MB | 86 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ManneTroll Solutions](https://appshunter.io/developer/313743954) | [King Of The Hour, LLC](https://appshunter.io/developer/6810800636) |

## What reviewers say

### iTurbo

[App page](https://appshunter.io/ios/app/iturbo/id314368331)

This app simulates fluid dynamics by solving Navier-Stokes equations for 2D incompressible turbulence. It uses a direct numerical simulation method with Euler time stepping and Fourier space calculations for efficiency.

**Highlights:** Direct Numerical Simulation (DNS), Navier-Stokes equation solver, 2D incompressible turbulence, Euler time stepping, Fourier space calculations, Vorticity field transformation

**Features:** macOS Compatibility

**In-app purchases:** none


### Navier Stokes Explained

[App page](https://appshunter.io/ios/app/navier-stokes-explained/id6814265444)

Explore the complex Navier-Stokes equations through an interactive 3D fluid simulation. Visualize how liquids and gases move, manipulate variables like gravity and viscosity, and understand the underlying physics with guided lessons and live data.

**Highlights:** 3D fluid solver on GPU, Interactive simulations (drop, stir, flow), Visualize speed, pressure, rotation, Live equation term analysis, Guided lessons on fluid behavior, Adjustable gravity, viscosity, stirring, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iTurbo free?

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

### Is Navier Stokes Explained free?

Navier Stokes Explained is free to download, with no in-app purchases.

### Which has better reviews, iTurbo or Navier Stokes Explained?

iTurbo and Navier Stokes Explained are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do iTurbo or Navier Stokes Explained have ads?

Navier Stokes Explained shows ads; iTurbo does not.

---

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