Inkbreaker

About the startup

InkBreaker is a writing platform built around a simple idea: writing improves with practice, measurement, and feedback. Not AI feedback. Not generated suggestions. Objective data from a fully deterministic prose analysis engine built on published readability research. Show up every day. Complete targeted exercises across nine writing genres: fiction, nonfiction, poetry, screenwriting, journalism, technical writing, copywriting, blogging, and worldbuilding. Earn XP, track skill progression across six levels per skill, and watch your metrics move over time. The prose analysis engine measures approximately 38 metrics per submission: readability, sentence structure, vocabulary range, pacing, imagery, tone, voice, dialogue, and more. Every metric comes from formulas and published research: Flesch-Kincaid, Gunning Fog, Coleman-Liau, Brysbaert concreteness norms, Warriner valence and arousal data. Same input, same output, every time. No language models involved. The editor is a full writing environment with specialized formatting modes for screenwriting, poetry, long-form fiction, and more. A built-in notebook keeps research and notes alongside your work. Version history, series organization, and export are all included. Worldbuilding tools let you build and manage the world behind your story: timelines, relationship webs, character profiles, location hierarchies, a world bible, and a knowledge graph connecting everything together. A literary science layer runs consistency and voice analysis across your pieces without any AI. The community is real. Publish to a feed, follow other writers, play Exquisite Corpse and other collaborative writing games, and request peer feedback matched to your skill focus. Chapters let you form small accountability groups. A sensitivity reading system connects writers who need readers with writers who want to give that kind of feedback. Free accounts get the full editor, all exercises, foundational prose metrics, XP and skill progression, community access, and peer feedback. Pro adds advanced metrics, formatting modes, export, worldbuilding tools, version history, and more. All new accounts get a 30-day free Pro trial with no credit card required. No AI writing. No generated feedback. No suggestions telling you what to say. Just the work, the data, and a community of writers doing the same thing.