Think-cell-style charts and AI for Google Workspace
Screenshot annotation tool for Mac with arrows, redaction, and polished designs
Stage
Not given
Not given
Founded
Not given
Not given
Based in
DK
GE
Pricing model
Freemium
Freemium
Pricing
Free: €0, 10 charts per month. Pro: €10/month (billed monthly) or €80/year. Enterprise: custom pricing per seat.
Free version with all core annotation tools and up to 10 screenshots per day. Pro available as Monthly at $2/month, Annual at $19.99/year, or Lifetime at $38.99 one-time payment.
Key features
Waterfall, Mekko, Gantt, and other advanced chart types
Charts linked to Google Sheets that auto-update
AI Chat and writing pill using your own Claude or ChatGPT
Claude connector to insert charts from claude.ai
Deck checks for off-brand colors, wrong fonts, and conflicting numbers
Chart annotations including Delta, CAGR, level line, and axis break
Team palette and shared layouts for brand consistency
Slide library with approved slides searchable across team
Desktop app for Mac and Windows to build charts and export as PNG
Align, arrange, and distribute tools for slide layout
Arrows for directing attention and annotation
Numbered counters for step-by-step tutorials
Highlight tool for emphasis
Permanent redaction for sensitive information
Shapes for framing and illustration
Backgrounds and borders for polish
PDF page annotation
Spotlight and crop tools
What makes it different
Think-cell-style charts in Google Slides—the only tool to bring advanced charting to Slides
Runs on your own Claude or ChatGPT, adding no model bill
Colleagues see charts without needing ChartKit installed
Numbers on slides stay linked to Sheets and refresh automatically
Data is never trained on; only decks you open are accessed
No account or sign-up required to start using
All screenshots stay locally on your Mac with no uploads
Permanent redaction that cannot be removed from exported images
ChartKit
Snapperon