NumRadar vs SheetXL

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

NumRadar compared with SheetXL
Detail	NumRadar	SheetXL
What it does	WhatsApp number verification for developers	The API-first spreadsheet platform for developers and teams who want Excel power, embedded in their own stack
Stage	Not given	Startup
Founded	Not given	2024
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Not given	Community: Free for non-commercial use. Commercial: $745/dev/year for commercial use. Application Bundle: $4,495/app/year to deploy in one commercial application with 10 developer licenses. Start-ups and small businesses with fewer than 10 employees and less than USD 1M in funding or annual revenue
Key features	WhatsApp number validation Bulk CSV validation REST API MCP server for AI agents Chrome extension	400+ Excel functions and formulas One-line API integration Instant autofill with 0.7s performance for 1M rows Realtime scripting for custom functions 100% client-side execution Seamless Excel import and copy-paste 375+ shortcuts and UI gestures MIT licensed with no vendor lock-in
What makes it different	All-in-one platform with API, bulk uploads, AI agent integration, and browser extension Monthly billing cycles with no charges for failed lookups	Combines spreadsheet power with embeddability and developer API Runs entirely client-side with no server dependencies Exceptionally fast performance even on older devices Open source MIT license with full extension capability Add custom functions without build steps or reloads
Community votes	0	0
DR (Domain Rating by Ahrefs)	8 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	15
Referring domains (Majestic)	1	6

4 details filled in for both companies.

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