# Primary Particle vs Guess Passcode

The clearest difference is ads: Primary Particle at none against Guess Passcode's shown. Primary Particle also leads on iOS requirement (12.0 vs 16.6). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Primary Particle | Guess Passcode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/primary-particle/id886683283/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | — |
| Monetization | Paid | — |
| Size | 47 MB | 136 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Schmitt](https://appshunter.io/developer/585665935) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## 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


### Guess Passcode

[App page](https://appshunter.io/ios/app/guess-passcode-classic-1a2b/id6779048925)

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

**In-app purchases:** none


## Frequently asked questions

### Is Primary Particle free?

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

### Is Guess Passcode free?

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

### Do Primary Particle or Guess Passcode have ads?

Guess Passcode shows ads; Primary Particle does not.

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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.*