# iTurbo vs Particle Life

The clearest difference is in-app purchases: iTurbo at none against Particle Life's 3. Particle Life's advantage is update cadence (every 9 days vs every 54 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Particle Life sells 3 one-off in-app purchases. iTurbo asks for nothing beyond the download.

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

iTurbo ships an update every 54 months, Particle Life every 9 days. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | iTurbo | Particle Life |
| --- | --- | --- |
| 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/particle-life-science-lab/id6809701841/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 2 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ManneTroll Solutions](https://appshunter.io/developer/313743954) | [Sub Rosa Industries](https://appshunter.io/developer/6789998892) |

## 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


### Particle Life

[App page](https://appshunter.io/ios/app/particle-life-science-lab/id6809701841)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A little curiosity | $1.99 | one-time |
| A new discovery | $4.99 | one-time |
| A world of possibility | $9.99 | one-time |


## Frequently asked questions

### Is iTurbo free?

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

### Is Particle Life free?

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

### Which has better reviews, iTurbo or Particle Life?

iTurbo and Particle Life are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do iTurbo or Particle Life have ads?

Neither iTurbo nor Particle Life shows ads.

### Which is updated more often, iTurbo or Particle Life?

iTurbo ships an update every 54 months, and Particle Life every 9 days. Most recently, iTurbo was updated on October 14, 2026 and Particle Life on October 29, 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.*