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CoIsland vs Sheetmatcher

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CoIsland compared with Sheetmatcher
DetailCoIsland logo CoIslandSheetmatcher logo Sheetmatcher
What it doesAttention is all you have Excel comparison tool that works with messy real-world data regardless of column or row order
StageGrowing Not given
FoundedNot given Not given
Based inCA DE
Pricing modelPaid Freemium
Pricing$5.99 until October 25 (early bird), then $19.99 paid once for up to 2 Macs with a year of updates. Additional years of updates cost $5.99 each. 30-day money-back guarantee. Basic plan: free. Advanced plan: €10/month. 5-day free trial available with no credit card required.
Key features
  • 35+ connectors for code, deploys, data, tickets and on-call tools
  • Alerts displayed in Mac notch with signal filtering
  • Custom monitors with queries on user-defined schedules
  • Integration with AI agents for automated actions
  • Credentials stored securely in macOS Keychain
  • No server, direct connection to user's tools from Mac
  • Drag and drop file upload
  • Multi-column key selection for matching
  • Works with any column or row order
  • Detailed comparison reports
  • Export results to Excel
  • Data mapping for naming conventions
  • Text-based fuzzy matching search
  • Browser-based processing with no file storage
  • Support for multiple authentication methods
What makes it different
  • Native Mac app built in Swift for Apple Silicon, not a browser tab
  • No server architecture means data never leaves your Mac
  • Unified view across multiple workspaces and teams
  • Intelligent matching that works with messy real-world data regardless of file organization
  • Handles files with columns in different orders and shuffled rows automatically
  • Privacy-focused with no online file storage
  • Multi-column key matching for complex business scenarios
  • Free Basic plan with core comparison features
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)1 +1 (up) since last check10 no change since last check
Trust Flow (Majestic)213
Citation Flow (Majestic)2218
Referring domains (Majestic)678

6 details filled in for both companies.

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