# Primary Particle vs Loooply

The clearest difference is monetization model: Loooply at free against Primary Particle's paid. Loooply also leads on update cadence (fortnightly vs every 8 months). Primary Particle's advantage is iOS requirement (12.0 vs 26.5). 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 Loooply. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Primary Particle ships an update every 8 months, Loooply fortnightly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Primary Particle | Loooply |
| --- | --- | --- |
| 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/loooply/id6757133526/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 47 MB | 35 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Schmitt](https://appshunter.io/developer/585665935) | [Mark McKelvy](https://appshunter.io/developer/1854635700) |

## 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


### Loooply

[App page](https://appshunter.io/ios/app/loooply/id6757133526)

A minimalist puzzle game designed for calm focus and clever deduction. Solve hand-crafted loop puzzles that increase in difficulty without any pressure, timers, or distractions.

**Highlights:** Minimalist design, Calm focus gameplay, Clever deduction puzzles, Hand-crafted levels, No timers or pressure

**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 Loooply free?

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

### Which has better reviews, Primary Particle or Loooply?

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

### Do Primary Particle or Loooply have ads?

Neither Primary Particle nor Loooply shows ads.

### Which is updated more often, Primary Particle or Loooply?

Primary Particle ships an update every 8 months, and Loooply fortnightly. Most recently, Primary Particle was updated on October 24, 2026 and Loooply on October 7, 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.*