DungeonOne - AI Game Master
Solo TTRPG & d20 Adventures
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Love tabletop RPGs, but can't find a group or time to play?
DungeonOne is your personal AI-powered Game Master. Experience a full-featured fantasy TTRPG solo — anytime, anywhere, with no scheduling required!
Whether you want to dive into ready-made sagas or explore infinite open-world sandboxes, an adaptive AI Game Master handles combat, adjudicates d20 mechanics, controls NPCs, and weaves a unique narrative around your choices.
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WHY YOU’LL LOVE DUNGEONONE
• Play Solo, Anytime: No scheduling conflicts, no missing players, no GM preparation needed.
• True TTRPG Mechanics: Complete character sheets, stats, spells, equipment, inventory, and dice rolls.
• Adaptive AI Narrative: Powered by advanced AI models that adapt to your every decision in real time.
• Infinite Worlds: Play hand-crafted story campaigns or generate endless open-world sandboxes.
• Everything in Your Pocket: Play on your commute, during lunch breaks, or at home — pick up right where you left off.
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KEY FEATURES
• Deep Character Creation: Choose fantasy races, classes, and backgrounds.
• Interactive Living Journal: Quest log, world map, NPC tracker, and notes that the AI reads and integrates into the story.
• Ready Campaigns & Sandbox: Jump straight into classic one-shots, epic sagas, or sandbox adventures.
• Immersive Atmosphere: Dynamic soundtrack and sound effects that adapt to battle and exploration.
• Cross-Device Cloud Saves: Seamlessly sync your hero's progress across your devices.
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HOW IT WORKS
1. Build Your Hero: Create a character manually or generate one in a single tap.
2. Choose Your Quest: Select a pre-made saga or launch an open-world sandbox.
3. Play Your Way: Type any action — the AI Game Master narrates the outcome and manages rules.
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SUBSCRIPTION & TERMS
DungeonOne is free to play with open-world exploration and a starter campaign. Upgrade to Premium to unlock all campaigns, unlimited cloud saves, and enhanced AI capabilities.
Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage and cancel your subscriptions in your App Store account settings.
• Terms of Use: https://ostasoft.com/dungeon/terms
• Privacy Policy: https://ostasoft.com/dungeon/policy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
When creating your character you can now select race, class and backstory from preset options
The developer, Ilya Ostashkov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ilya Ostashkov
- Size
- 58.9 MB
- Category
- Roleplaying
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Realistic Violence
Profanity or Crude Humor
Mature or Suggestive Themes
Horror/Fear Themes
Medical Treatment information
Alcohol, Tobacco, Drug Use or References
Sexual Content or Nudity
Guns or Other Weapons
Contains
Advertising
- In-App Purchases
Yes
- DungeonOne - Monthly subscription $1.99
- DungeonOne - Annual subscription $12.99
- Copyright
- © Ilya Ostashkov