Stamp Maker vs ChartKit
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Stamp Maker compared with ChartKit
| Detail | 
Stamp Maker | 
ChartKit |
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| What it does | Create, repair, extract, and apply digital stamps in minutes
| Think-cell-style charts and AI for Google Workspace
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| DK
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| Pricing model | Freemium
| Freemium
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| Pricing | Free core features; paid plans available with annual discount of 50% on select plans
| Free: €0, 10 charts per month. Pro: €10/month (billed monthly) or €80/year. Enterprise: custom pricing per seat.
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| Key features | - Digital stamp generation from templates or blank canvas
- Repair and cleanup of blurry legacy stamp images
- Extract transparent stamps from scans and screenshots
- Layer editing with text and style controls
- Apply stamps to PDF contracts and documents
- Export in multiple formats including PNG and SVG
- Save and reuse stamp templates
- Color, opacity, and aged effects adjustments
- No registration required for basic features
- AI-assisted repair and extraction tools
| - 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
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| What makes it different | - All-in-one workflow combining creation, repair, extraction, and application in one browser tool
- No Photoshop or design skills needed—browser-based with instant preview
- Built to handle real-world delivery scenarios across PDFs, contracts, invoices, and e-commerce
- Repair workflow for legacy stamps instead of forcing a complete rebuild
- Transparent-background exports ready for immediate reuse
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 2 | 3 |
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| Citation Flow (Majestic) | 21 | 10 |
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| Referring domains (Majestic) | 20 | 3 |
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5 details filled in for both companies.
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