Free plan with 5 credits per month, Standard plan with 20 credits per month, Professional plan with 100 credits per month. Additional credit packages available for one-time purchase.
Core Plan: $19/month (200,000 words of editing per month, limited rewriting ability). Pro Plan: $29/month (300,000 words of editing per month, able to rewrite entire chapters and books). A one-time free word sample is available for new accounts.
Key features
Structured lyric generation from ideas
Quality scoring for lyrics
Style Creator for consistent musical direction
Vocal Studio for recording and arrangement
Vocal Arrangement with timeline and loop
AI mode with genre, mood and theme selection
Cloud sync for session metadata and audio
Sentence-level literary feedback
Paragraph-level literary feedback
Passage-level literary feedback in context
Chapter-level literary feedback in context
Book-level literary feedback in entire context
One-click text rewriting with AI
Entire chapter rewriting on Pro Plan
Entire book rewriting on Pro Plan
300,000-word context window on Pro Plan
Progressive learning through interactive Q&A
What makes it different
25 creative actions for song development
Structured workflow from idea to polished lyrics
Vocal recording integrated into songwriting studio
Human book editors charge thousands but AI Book Editor starts at $19 per month
Gives almost immediate feedback while human editors take weeks
300,000-word context window three times more than average novel
All output belongs 100% to the user for commercial use