Organize characters, locations, lore, and plot details for authors and RPG creators. Build rich, interconnected entries with customizable cards and find anything instantly with advanced search. Works offline and syncs across devices.






250+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our worldbuilding tool list covers 250+ iPhone apps and games updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (20) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.5★ (1K) | Yes | Yes | Sep 2026 | ||
| 3 | Free | 5.0★ (1) | No | Yes | Sep 2026 | ||
| 4 | Free | 3.9★ (50) | No | Yes | Oct 2026 | ||
| 5 | Free | 4.6★ (55) | Yes | Yes | Sep 2026 | ||
| 6 | Free | 3.9★ (281) | No | Yes | Sep 2026 | ||
| 7 | Free | 5.0★ (1) | No | No | Aug 2026 | ||
| 8 | Free | — | Yes | Yes | Aug 2026 |






Organize characters, locations, lore, and plot details for authors and RPG creators. Build rich, interconnected entries with customizable cards and find anything instantly with advanced search. Works offline and syncs across devices.






This app helps novelists plot and write their books by organizing story elements like characters, locations, and items. It offers tools for world-building, real-time collaboration, and writing statistics, along with weekly challenges to inspire creativity.





Create and explore AI-powered fictional worlds with interactive stories and characters. Collaborate with friends to build shared adventures and watch narratives evolve based on your choices. This app is designed for creative minds who enjoy immersive storytelling.