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AI Dungeon vs NSFWStory

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. AI Dungeon publishes a starting price ($14.99); NSFWStory does not. Both have a free tier.

AI DungeonText adventure engine where the AI improvises every sceneNSFWStoryGenerates custom adult fiction with cover art and optional narration from user-picked themes.

Side by side

FactAI DungeonNSFWStory
CategoryStorytelling & FictionStorytelling & Fiction
Pricing modelFreemiumFreemium
Starts at$14.99 month—
Public APINoNo
PlatformsWeb, iOS, AndroidWeb
CompanyLatitudeNSFWStory
Launched20192020
Last verifiedSep 6, 2026Sep 1, 2026

What our research says

AI Dungeon

Still the deepest AI text-adventure product there is, with seven years of scenario library behind it, and the only one where memory and world-state tooling is the actual product. It is entertainment, not a writing assistant — do not buy it expecting to finish a manuscript.

Pros

  • Memory, world info and scenario tooling are far more developed than in general chatbots used for roleplay
  • Multiple model choices per tier, including newer models added through 2026
  • Native iOS and Android apps, not just a mobile web wrapper
  • Large public scenario library gives an immediate starting point

Cons

  • Five-tier ladder from $14.99 to $99.99 is steep, and context length is the thing being sold at every rung
  • Credits do double duty for images and for extra context, so heavy sessions drain them quickly
  • No API, so scenarios cannot be driven from outside the platform
  • The service has changed content and moderation policy sharply in the past, which still colours community trust

NSFWStory

NSFWStory is a credit-based adult fiction generator: pick the parameters, get a story with cover art back in under a minute, with narration as an add-on. It is a narrow, clearly-scoped product, but the operator's identity and the actual per-credit cost are both absent from the site, which matters for anyone paying with a card.

Pros

  • Generates a complete story with cover art in under a minute
  • Optional 12-voice audio narration and an interactive story mode
  • One free credit for new accounts, no subscription required

Cons

  • No dollar price for credits is published anywhere on the site checked
  • No company name, location, or contact details disclosed
  • Age verification and account creation are required even to use the one free credit

Which one fits

Choose AI Dungeon if you need

  • Long-running solo roleplay campaigns where world state has to survive dozens of sessions
  • Players who want to author and share scenarios rather than only consume them
  • Anyone curious how far a story engine can go without authored branches

Choose NSFWStory if you need

  • Adults wanting quick, customizable adult fiction with cover art
  • Users who want to try the service before paying via the one free credit

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