# iTurbo vs Level Set

The clearest difference is update cadence: Level Set at every 4 months against iTurbo's every 54 months. Level Set also leads on iOS requirement (12.0 vs 18.0). On price, rating, ratings volume and ads 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 Level Set. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

iTurbo ships an update every 54 months, Level Set every 4 months. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | iTurbo | Level Set |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/iturbo/id314368331/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/level-set-flame-motion/id1198028074/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 2 MB | 506 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ManneTroll Solutions](https://appshunter.io/developer/313743954) | [Ralph Aldredge](https://appshunter.io/developer/1198028073) |

## 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


### Level Set

[App page](https://appshunter.io/ios/app/level-set-flame-motion/id1198028074)

Create and visualize complex flame dynamics simulations on your mobile device. Explore various simulation parameters, render animations, and analyze flame behavior with detailed charts. Share your creations easily via email or social media.

**Highlights:** Flame dynamics simulations, Customizable simulation parameters, Animation visualization, Surface area charts, Shareable snapshots and data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iTurbo free?

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

### Is Level Set free?

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

### Which has better reviews, iTurbo or Level Set?

iTurbo and Level Set are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do iTurbo or Level Set have ads?

Neither iTurbo nor Level Set shows ads.

### Which is updated more often, iTurbo or Level Set?

iTurbo ships an update every 54 months, and Level Set every 4 months. Most recently, iTurbo was updated on September 29, 2026 and Level Set on October 2, 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.*