Forge your hero. Chronicle every adventure.
A beautifully crafted character companion for D&D 5e (2014 & 2024) and Pathfinder, on iPhone, iPad, and Android. Build a character by the book, play out your campaign, and watch your legend write itself.
Full support for D&D 5e (2014 & 2024) and Pathfinder, wrapped in an ink-on-parchment codex that feels like a real adventurer's journal.
A six-tab codex — Stats, Skills, Combat, Spells, Items, and Lore — with real ability math, AC, saves, and proficiencies computed for you.
A guided wizard walks you through every roster across three rulesets — 37 ancestries, 40 classes, and 37 backgrounds — with point-buy, standard array, or rolled dice.
Nearly 800 spells across three rulesets — searchable and level-filterable, with prepare and cast-now built right into play.
Every level-up, hit taken, potion drunk, and spell cast is logged in a session-by-session chronicle of how your hero changed over time.
A proper level-up flow handles HP, subclasses, ASIs, feats, fighting styles, and multiclassing — with real PHB spell-slot tables.
No account, no tracking. Your characters live on your device and sync privately across your own iPhone and iPad through iCloud.
Choose your system when you roll up a character, and Nat20 builds the sheet, spells, and level-up flow to match — no house-ruling, no spreadsheets, no compromises.
Nat20 keeps building and playing apart — so your sheet always stays correct, and your chronicle always stays true to what really happened.
Create and edit with a free hand — roll abilities, choose your class and feats, swap gear, prepare spells. Tinker as much as you like until the build feels right.
Begin a campaign and the sheet locks. No more quiet edits — your hero is now exactly who they were when the adventure began.
In play, every change is an action — cast a spell, take a hit, gain a condition, level up. Each one resolves by the rules and writes itself into your chronicle.
Need to rebuild? Step out of the campaign and the forge reopens. A real change is always a deliberate choice — never an accident mid-session.
Hand-set typography, parchment textures, and a candlelit dark mode — on every screen.
Character Sheet
Spell Library
Campaign Journal
Creation Wizard
AI Chronicle
As you play, each action drops into a timestamped session log — blows traded, spells loosed, allies met, levels earned. Every entry is penned in flowing narrative, so your journal reads like a story rather than a list of dice rolls.
The AI-written rich journal runs on Apple Intelligence, so it needs a supported iPhone or iPad with Apple Intelligence enabled. The full timestamped journal works everywhere.
Five hand-picked typefaces, warm parchment textures, and a candlelit dark mode give every screen the weight of a real adventurer's tome — not another spreadsheet.
Download Nat20 on the App Store and roll up your first hero today — free to play, with Android on the way.