Comparison

AI Game Master vs Polymyth

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

Head to head
About

AI Game Master

Embark on limitless text-based role-playing adventures driven by your imagination. Create characters, build worlds, and make choices that shape unique narratives. Engage in combat, quests, and deep storytelling with companions who remember your journey.

Highlights
  • Unlimited, ad-free text RPG gameplay
  • Character creation and world-building tools
  • AI-driven narrative with responsive storytelling
  • Companions with deep memory
  • Combat, quests, and leveling system
  • Multiplayer and community sharing
  • Privacy controls for stories
Features
Read full description

Welcome to AI Game Master: The Infinite Text RPG ! Where every choice you make changes the story. You don't just read the novel you step inside it and play it ! AI Game Master is an AI text RPG that is based on your imagination and has no limits to your creativity, and storytelling. Play, create and share your favorite genres - all in one place. Whether you are a fan of the high stake action fantasy of Dungeons & Dragons , the captivating drama of Isekai Anime Romance or evergreen stories that last forever, your choices dictate the narrative and the AI Dungeon Master will react to every choice and create the best RPG experience for you! [APP FEATURES] ■ Unlimited, Ad-Free Immersion: Dive deep into stories with Unlimited play and absolutely no commercial interruptions. ■ Shape Your Epic Adventure: Seamless character creation and world-building tools. You write the AI creates, no limits ! ■ Deep Memory: Companions that truly remember your shared history and grow with you. ■ Best AI RPG System: Recruit companions or enemies, Get rewards fromQuests, Fight enemies & Heal party members, Item generation, XP & Level up system, Special abilities, pets, Dice and much more... ■ Multiplayer ■ 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 YOUR FAVOURITE GENRES] ■ Anime & Isekai ■ Dungeons & Dragons ■ Horror & Apocalyptic ■ Sci-fi & Cyberpunk ■ Romance & Fairy tales ■ Superheros & Multiverse ■ And many more... [NO SCRIPTS, JUST YOUR CHOICES] Experience interactive fiction like never before. You can create any character with your AI Dungeon Master and immediately start your adventue , 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. [NO LIMITS, ENDLESS ROLEPLAY THAT REMEMBERS] Fans of DnD and choose your own adventure, can enjoy our AI Dungeon Master that will create the ultimate tabletop text RPG experience. Dive into the AI Dungeon and type what you want to do, our one of a kind AI RPG system will generate it for you with Images, Narration and Videos! Become a mage. Befriend a dragon and add it to your party. Betray the kingdom and battle the king, Use spells, steal his magic sword, heal, kill & level up to complete epic quests. Your AI dungeon master keeps your fable moving. [UNLEASH YOUR CREATIVITY IN SECONDS] Bring your ideas to life in seconds. Character Creation is open to everyone - no endless windows of choices or professional writing skills needed. Just write what you want to be and the AI Dungeon Master will create it for you. 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. Bring your text RPG to life with AI-generated images & videos for characters, enemies, weapons, and fantasy scenes. [UNLIMITED LIMITLESS CONVERSATIONS, ZERO INTERRUPTIONS] Never run out of tokens to play with or new worlds to explore. Enjoy a completely unlimited 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 with your characters 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. Download AI Game Master: The Infinite RPG today, let your imagination write the story, play it and craft your own ending. Your unwritten journey starts now!

About

Polymyth

Features
Read full description

Roll a hero. Gather your party. Chase quests through hand-crafted 5th Edition worlds — fight tactical combat, roleplay in-character, level up session to session. Your AI Game Master is always ready, solo with AI companions or live with friends. The world adapts to every choice you make. A LIVING WORLD THAT REACTS • Every NPC has memory, motive, and tactics — bards remember your insults, merchants haggle, enemies coordinate • Hand-crafted adventures with proper pacing, mystery, and branching paths — not procedurally generated filler • The world keeps score — quest beats, factions, allies, betrayals PLAY IN CHARACTER • Speak as your hero — flirt, lie, intimidate, bluff your way through • Whisper to one ally or address the whole party • The GM answers in-fiction, every time REAL 5TH EDITION COMBAT • Full ability scores, classes, spells, conditions — nothing simplified • Attacks of opportunity, concentration saves, legendary actions, lair effects • Positioning, reactions, ongoing effects — all tracked, all real YOUR HERO PERSISTS • Level up, prep spells, equip loot — your character grows with every quest • A campaign journal captures every encounter, every NPC met, every choice made • Pick up exactly where you left off, on any device LAUNCH ADVENTURE — GOLDVALE'S LAST HOPE A snowbound mountain village. White dragons stirring in the peaks. Form a party of four, brave the Stormfang, and decide the fate of a people. Hand-crafted, hours of play, multiple paths through. WHY POLYMYTH • No GM scheduling — pick up your campaign any time • No rules memorization — the GM handles every roll, save, and edge case • Full 5th Edition, not simplified — depth you'd get at a real table • AI party members that actually play — they fight, plan, banter, grow • Adventures that are written, not auto-generated — quality you can feel Polymyth uses the 5th Edition SRD rules, licensed under Creative Commons Attribution 4.0. Polymyth Tokens are a per-message currency that covers AI compute. New players get a generous starting balance to play through the launch adventure.

Screenshots

AI Game Master4 screens
Polymyth4 screens

Verdict

The call

The clearest difference is ads: Polymyth at none against AI Game Master's shown. AI Game Master's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, 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. AI Game Master sells 10 in-app purchases, starting at $14.99 per month and Polymyth sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
AI Game Master versus Polymyth: the parameters behind the verdict, then further details
ParameterAI Game MasterPolymyth
PriceFreeFree
Rating4.7 (5.7K ratings) — better—
Positive reviews69.7% of reviews—
Number of ratings5.7K — better—
Update frequencyWeeklyWeekly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size301 MB66 MB
Age rating12+9+
DeveloperDigital Dynasty EntertainmentKarma Coin Ltd

Bugs and requests

AI Game Master

Reported bugs

3 issues
  • Endless loading screens
  • Incorrect token deductions
  • Saved games randomly deleted

Requested features

4 requests
  • Ability to watch ads for more turns
  • Improved character creation options
  • Rewind/undo functionality
  • More diverse encounter types

Polymyth

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

AI Game Master

Subscriptions5
  • Explorer$14.991 Month
  • Enthusiast$24.991 Month
  • Game Master$34.991 Month
Show 2 more
  • Explorer$89.901 Year
  • Enthusiast$149.991 Year
One-time5
  • 25 Turn Tokens$0.99
  • 10 Wonders$1.99
  • 150 Turn Tokens$4.99
Show 2 more
  • 55 Wonders$9.99
  • 350 Turn Tokens$9.99
3 purchases

Polymyth

One-time3
  • 5 PM Tokens$6.99
  • 10 PM Tokens$15.99
  • 20 PM Tokens$31.99

Questions

Is AI Game Master free?
AI Game Master is free to download, with in-app purchases available.
Is Polymyth free?
Polymyth is free to download, with in-app purchases available.
Do AI Game Master or Polymyth have ads?
AI Game Master shows ads; Polymyth does not.
Which is updated more often, AI Game Master or Polymyth?
AI Game Master ships an update weekly, and Polymyth weekly. Most recently, AI Game Master was updated on November 6, 2026 and Polymyth on October 31, 2026.

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