Comparison

OOC vs Particle Simulation Visualizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OOC

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
Read full description

Welcome to OOC: The Playable Anime. Dive into an immersive adventure where you don’t just read the webnovel—you step inside it. OOC is an infinite world for your imagination, creativity, and storytelling. Play, create, and share your favorite genres—all in one place. Whether you are a fan of high-stakes Action Fantasy, the captivating drama of Romance Fantasy (RoFan), or Evergreen stories that last forever, your choices dictate the narrative. Leave the scripts behind. Your next adventure begins here! [APP FEATURES] ■ Ad-Free Immersion: Dive deep into stories with absolutely no commercial interruptions. ■ Free Unlimited Chat: Chat endlessly for free (Only available using the Basic Model in Character Mode). ■ Shape Your Epic: Seamless character creation and world-building tools. ■ Deep Memory: Companions that truly remember your shared history and grow with you. ■ Complete Privacy Control: Keep your stories secret or publish them to the community. ■ Vibrant Community: Follow favorite creators and experience user-generated masterpieces. [EXPLORE AN INFINITE LIBRARY OF TROPES & GENRES] ■ Action Fantasy (System, Necromancer, Regression, Hunters) ■ Romance Fantasy (Villainess, Contract Marriage, Royal Court Drama) ■ Sci-Fi & Cyberpunk ■ Slice of Life & Comedy ■ Evergreen Original Epics ■ And many more... [NO SCRIPTS, JUST YOUR CHOICES] Experience interactive fiction like never before. With OOC, there are no predetermined plots, and no two stories are ever the same. Every narrative is entirely unique, driven solely by your decisions, leading to unexpected plot twists. You hold the pen—craft the ultimate ending with your own hands. Simply type your actions, and watch the story unfold in real-time. You are the protagonist of your own living webtoon. [FATEFUL ENCOUNTERS AWAIT] Cross paths with companions intertwined by destiny. OOC features advanced characters with powerful memories. They evolve by remembering past conversations, adapting to your style, and reacting to your every word. From a ruthless emperor to a loyal knight or a mysterious mage, navigate complex character dynamics and forge unbreakable alliances. [UNLEASH YOUR CREATIVITY IN SECONDS] Bring your ideas to life in seconds. Character Creation is open to everyone—no coding or professional writing skills needed. Craft alternate timelines and invent rich fictional universes. Keep your creations strictly private for your own enjoyment, or share your masterpieces with the world and build an Evergreen legacy within our global creator community. [LIMITLESS CONVERSATIONS, ZERO INTERRUPTIONS] Never run out of new worlds to explore. Enjoy a completely ad-free experience designed for ultimate story immersion with zero disruptive advertisements. Get lost in long, uninterrupted moments with your favorite companions. Chat endlessly for free (Only available using the Basic Model in Character Mode) without rigid restrictions. Whether you are transitioning from other chat platforms or stepping inside your favorite Webnovels, you'll find a welcoming home for immersive storytelling and pure fun. When words come alive, when stories give you a choice, and when characters possess a soul... A new reality unfolds. The Story Must Go On. Download OOC: The Playable Anime today, meet your unforgettable allies, and let your imagination write the story of your past, present, and future. Craft your own ending. Your unwritten journey starts now! Terms of Service: https://ooc.ai/policy/service Privacy Policy: https://ooc.ai/policy/privacy

About

Particle Simulation Visualizer

Features
Read full description

Explore our beautiful particle simulation. Just touch the screen and start a wonderful show of dancing particles. Adjust every settings, use our randomizer and make it 100% your own. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OOC4 screens
Particle Simulation Visualizer4 screens

Verdict

The call

The clearest difference is update cadence: OOC at weekly against Particle Simulation Visualizer's monthly. OOC also leads on chart position (#28 vs unranked) and iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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

Scorecard3 real differences · 8 level
OOC versus Particle Simulation Visualizer: the parameters behind the verdict, then further details
ParameterOOCParticle Simulation Visualizer
PriceFreeFree
Rating4.6 (12K ratings) — better—
Positive reviews53.1% of reviews—
Number of ratings12K — better—
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#28 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.1 — better18.0
Further details — not scored
Size138 MB128 MB
Age rating12+4+
DeveloperNew AI Entertainment Inc.Marvin Krueger

In-app purchases

10 purchases

OOC

One-time10
  • 2000 Credits$2.89
  • 10000 Credits$14.49
  • Promotion Credit$19.99
Show 7 more
  • 20000 Credits$28.49
  • 50000 Credits$71.00
  • Halloween Candy Pack 10% Off$100.99
  • Halloween Candy Pack 5% Off$105.99
  • Halloween Candy Pack$111.99
  • 70000 Credits$111.99
  • 100000 Credits$142.99
2 purchases

Particle Simulation Visualizer

Subscriptions2
  • Particles PRO$3.997 Days
  • Particles PRO3 Days trial$24.991 Year

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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