Free: 50 welcome Sparks for 7 days (up to 5 standard generations). Spark Pack 500: $4.90 (up to 50 standard generations, valid 365 days). Spark Pack Plus 2,000: $14.90 (up to 200 standard generations, 24% less per Spark, valid 365 days).
Key features
Voice to draft: dictate replies and receive structured responses
Screenshot reading: snap an email anywhere on screen to reply without copy and paste
Tone selection: warm, firm, apologetic or concise tones learned from past emails
Adaptive templates: save and tailor best replies to each new message
60+ language support: read, reply and translate across languages
Local encryption: AES-256 encrypted database on user's machine with optional app lock
House voice for new starters: import sent mail to learn team's established voice
Multi-mailbox import: supports Outlook, Gmail, Apple Mail and 7 other email providers
Two-device account access: one account works on up to two computers simultaneously
No API or inbox connection: drafts created locally, user retains full control over sending
Generate structured headcanon ideas with premise, emotional logic, and scene hooks
Reroll and rewrite generations with 3 Sparks per rewrite
Save and share headcanons through public share links
Preset prompt angles for common fandom scenarios
Control panel for tone, angles, and canon distance customization
Generate multiple tones for the same character premise
Account-based result storage with persistent access after Sparks expire
What makes it different
Drafts learned from your own voice: AI learns tone and style from your past emails, not generic templates
Local-first privacy: all email stored encrypted on your machine, nothing uploaded to servers
Never trains on your emails: messages never used for AI training, not stored on company servers
Works without sending capability: no inbox connection means no security risk or automation errors
Supports team onboarding: new hires sound like the business by lunchtime on day one
Templates and tone control built specifically for headcanon generation instead of generic chat
Reusable, structured output designed to be saved and shared with fandom communities
Emotional logic and expandable details for turning ideas into finished fic
Specialized for fandom writers with existing character tension and ships
Focused text-based generation rather than image generation