Summon Worlds:  Worldbuilder

Summon Worlds: Worldbuilder

Fantasy Writing & RPGs

364 ratings
111 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • March 8, 2023
  • July 24, 2026

Features

Summon Worlds:  Worldbuilder screenshot #1 for iPhone
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Summon Worlds:  Worldbuilder screenshot #8 for iPhone
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About

This app uses AI to help fantasy creators, GMs, and writers generate entire worlds, characters, spells, and art. Collaborate with others in real-time and engage in interactive AI chat roleplay to develop backstories and plot twists.

AI-powered world generation
High-res AI art generation
Real-time collaboration
Interactive AI chat roleplay
Character, spell, and item creation
Show original description

What users say

See all reviews
+1

What's New in Summon Worlds

3.7.73

July 24, 2026

This is one of our biggest updates yet. • Adventure Mode: Step inside your worlds and experience interactive, AI-guided stories inspired by tabletop roleplaying. • Character Relationships: Create friendships, rivalries, romances, family ties, alliances, and other meaningful connections. • Improved storytelling, roleplay, and world context • Better performance and reliability • Bug fixes and interface improvements Whether you’re writing a fantasy novel, building a campaign setting, or creating your next D&D or Pathfinder character, this update makes your worlds feel more connected, dynamic, and alive.

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Subscription plans

Summon Worlds Pro (Monthly)

Monthly subscription to Summon Worlds Pro.

$9.991 Month
How to cancel Summon Worlds subscription ⁉️
4

In-App Purchases

$2.99

Mana Refill 300

300 Additional Mana

User reviews

Fun

I really enjoy it put I hardly ever make stuff because mana is scarce but I do really enjoy it and creating stuff

Fun

Mana is scarce tho

Good app. I just wish there were a way to organize it.

Require a method to organize the worlds. Continually anticipate updates.

Good App

Require a method to organize the worlds. Continually anticipate updates.

Let your imagination ride

Good times

User experience

🐞

Reported Bugs

4 issues

Inability to create new characters

Bug

Login and account creation issues

Bug

Inconsistent AI responses and behavior

Bug

Incorrect item/weapon generation for characters

Bug

Requested Features

7 requests

Ability to edit and delete existing characters

Feature

Increase in free daily mana or message limits

Feature

Option to create group chats or campaigns

Feature

Expand world and event generation capabilities

Feature

Add more anime/manga character references

Feature

Improve AI memory and consistency

Feature

Provide desktop/web version

Feature

FAQ

What does Summon Worlds do?

Summon Worlds is an AI-powered application designed for fantasy creators, Game Masters, and writers. It allows users to instantly generate entire worlds, characters, spells, items, and lore. The app also features high-resolution AI art generation and real-time collaboration tools.

What are the key features of Summon Worlds?

Key features include AI-powered world generation for instant creation of various fantasy elements, high-resolution AI art generation in multiple styles, real-time collaboration with friends or co-authors, and interactive AI chat roleplay with AI-driven characters to develop backstories and plot ideas.

How much does Summon Worlds cost?

The application is free to download and use, offering in-app purchases. Specific details on the cost of in-app purchases are not provided in the description, but it allows for free access to core functionalities.

Who is Summon Worlds for?

This app is ideal for Dungeon Masters, novelists, screenwriters, and storytellers who want to create fantasy worlds. It is particularly useful for those who enjoy collaborative building and leveraging AI for creative inspiration and asset generation.

Can I use Summon Worlds with others?

Yes, Summon Worlds emphasizes real-time collaboration. You can invite friends or co-authors to build and edit worlds together live within the app, making it a powerful tool for group creative projects.