# OOC vs Particle Simulation Visualizer

The clearest difference is update cadence: OOC at weekly against Particle Simulation Visualizer's monthly. OOC also leads on chart position (#29 vs unranked) and iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OOC sells 10 one-off in-app purchases and Particle Simulation Visualizer sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OOC ships an update weekly, Particle Simulation Visualizer monthly. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | OOC | Particle Simulation Visualizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12K ratings)](https://appshunter.io/ios/app/ooc-the-playable-anime/id6761247061/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 53.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#29** | — |
| Size | 138 MB | 128 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 12+ | 4+ |
| Developer | [New AI Entertainment Inc.](https://appshunter.io/developer/1888379127) | [Marvin Krueger](https://appshunter.io/developer/1152894281) |

## What reviewers say

### OOC

[App page](https://appshunter.io/ios/app/ooc-the-playable-anime/id6761247061)

**Currently charting:** #29 Top Grossing · Entertainment, #38 Top Free · Entertainment (US App Store)

Step inside interactive anime stories where your choices shape the narrative. Create characters, explore diverse worlds, and engage with AI companions that remember and evolve with you. Unleash your imagination to build unique fictional universes and live out your own webtoon adventures.

**Highlights:** Interactive anime storytelling, AI character interactions with memory, User-created worlds and characters, Multiple story genres, Community sharing of creations, Real-time narrative evolution

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2000 Credits | $2.89 | one-time |
| 10000 Credits | $14.49 | one-time |
| Promotion Credit | $19.99 | one-time |
| 20000 Credits | $28.49 | one-time |
| 50000 Credits | $71.00 | one-time |
| Halloween Candy Pack 10% Off | $100.99 | one-time |
| Halloween Candy Pack 5% Off | $105.99 | one-time |
| Halloween Candy Pack | $111.99 | one-time |
| 70000 Credits | $111.99 | one-time |
| 100000 Credits | $142.99 | one-time |


### Particle Simulation Visualizer

[App page](https://appshunter.io/ios/app/particle-simulation-visualizer/id6765869491)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Particles PRO | $3.99 | per 7 days |
| Particles PRO | $24.99 | per year |


## Frequently asked questions

### Is OOC free?

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

### Is Particle Simulation Visualizer free?

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

### Do OOC or Particle Simulation Visualizer have ads?

Neither OOC nor Particle Simulation Visualizer shows ads.

### Which is updated more often, OOC or Particle Simulation Visualizer?

OOC ships an update weekly, and Particle Simulation Visualizer monthly. Most recently, OOC was updated on November 10, 2026 and Particle Simulation Visualizer on November 5, 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.*