# Primary Particle vs Roll The Plank

The clearest difference is monetization model: Roll The Plank at free against Primary Particle's paid. Primary Particle's advantage is iOS requirement (12.0 vs 18.6). 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 Primary Particle against 5.0 for Roll The Plank. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

## The numbers

| Metric | Primary Particle | Roll The Plank |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/primary-particle/id886683283/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/roll-the-plank/id6760951881/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Paid | **Free** |
| Size | 47 MB | 40 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Schmitt](https://appshunter.io/developer/585665935) | [Donald Garbinski Jr](https://appshunter.io/developer/1876232318) |

## What reviewers say

### Primary Particle

[App page](https://appshunter.io/ios/app/primary-particle/id886683283)

A fun puzzle game where players help a scientist stabilize particles in an experiment. Catch particles of the correct color to keep the experiment going and increase your score. Beware of tricky particles that appear as your skill level rises.

**Highlights:** Particle stabilization gameplay, Color-matching mechanic, Increasing difficulty, Score-based progression, Experiment simulation

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

**In-app purchases:** none


### Roll The Plank

[App page](https://appshunter.io/ios/app/roll-the-plank/id6760951881)

Navigate a silver ball across precarious wooden paths suspended over water. Master precise tilting and timing to overcome increasingly challenging levels. One wrong move sends the ball plunging into the water, requiring quick restarts.

**Highlights:** 40 challenging levels, Smooth tilt controls, Fast restarts, Clean top-down visuals, Offline play

**In-app purchases:** none


## Frequently asked questions

### Is Primary Particle free?

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

### Is Roll The Plank free?

Roll The Plank is free to download, with no in-app purchases.

### Which has better reviews, Primary Particle or Roll The Plank?

Primary Particle and Roll The Plank are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Primary Particle or Roll The Plank have ads?

Neither Primary Particle nor Roll The Plank shows ads.

---

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