Narrated product demos recorded by your coding agent
Stage
Not given
Not given
Founded
Not given
Not given
Based in
PL
US
Pricing model
Not given
Freemium
Pricing
Free plan: 30 credits (3 videos or 1 AI film clip). Creator: $23/month with 400 credits (40 videos). Pro: $75/month with 2400 credits (240 videos). Credit top-ups: small $19 (300 credits), medium $49 (1000 credits), large $119 (3000 credits). Credits never expire and failed generations are refunded
Not given
Key features
Automatic script generation from sentences or custom scripts
AI scene generation with 19 video engines
Voiceover in 30 languages with word-timed captions
Recurring character rendering with pinned portrait
Automatic series scheduling and publishing
13 visual styles and 6 music styles
Most renders complete in 2 to 5 minutes
Failed generation credits refunded automatically
Records web apps, desktop apps, terminal tools, iOS and Android apps
Works with Claude Code, Cursor, Codex and any MCP client
AI-written narration with multiple voice options
Automatic captions, cursor zoom, callouts and key caps
Video editor with trim, cut, speed and zoom controls
Embed demos in documentation and share via links
Social media posting with platform-specific captions
Automatic outdated demo detection for Pro and above
Custom branding with logo, colors and fonts
Teleprompter for recording your own narration
What makes it different
Generate complete vertical videos from a single sentence with no camera or editing required
Same recurring character in every episode for consistent channel branding
Automated series that publish on schedule while you sleep
Credits never expire and failed renders are refunded automatically
Full control with no automatic publishing by default
Records demos with your coding agent entirely on your machine with no script or manual recording needed
Demos automatically update when your product changes using AI-powered version control
Automatic docs integration for Mintlify and GitBook on Growth plan
Free plan with 5 demos and no credit card required
Castmint
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