ZelNum vs Sheetson

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

ZelNum compared with Sheetson
Detail	ZelNum	Sheetson
What it does	Phone number, carrier, and messaging app verification platform for contact list cleaning and fraud review	Turn Google Sheets into a RESTful API instantly
Stage	Not given	Not given
Founded	Not given	Not given
Based in	EE	SG
Pricing model	Paid	Freemium
Pricing	Pay-as-you-go prepaid credits. WhatsApp: $0.5 per 10,000 lookups (bulk) or $0.008 per lookup (realtime). Telegram: $1.5 per 10,000 lookups (bulk) or $0.012 per lookup (realtime). HLR Lookup: $4 per 10,000 lookups. Carrier Lookup: $4 per 10,000 lookups. No subscription, minimum order 500–2,000 depend	Free plan: 1,000 rows per sheet, unlimited spreadsheets, unmetered requests, pagination queries, shared rate limit, email support. Professional plan: $99/yr (or monthly option), unlimited rows per sheet, unlimited spreadsheets, unmetered requests, filter and paginate queries, 60 req/min dedicated ra
Key features	Bulk CSV/TXT file upload and processing VoIP and disposable number detection Real-time single lookups and batch API jobs	Read rows as JSON objects with GET requests Append, update and delete rows with POST, PATCH and DELETE verbs Bearer token authentication per sheet Rotate or revoke API keys from dashboard No Google OAuth or client library required Basic and advanced query support with pagination and filtering Sheet stays private without public sharing Professional plan with dedicated 60 req/min rate limit Priority support on Professional plan
What makes it different	45 verification tools in one workflow covering phone, carrier, messaging apps, and social platforms Global coverage across international phone datasets and carrier networks Pay-as-you-go credits with no subscription, minimum commitment, or recurring fees Scalable from free single lookups to bulk API workflows and high-volume batch jobs	No setup, maintenance or coding required Data is never stored by Sheetson, only proxied No OAuth complexity or Google client library needed One endpoint per sheet with standard HTTP verbs Free plan forever with no credit card required
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 +1 (up) since last check	22 +1 (up) since last check
Trust Flow (Majestic)	15	9
Citation Flow (Majestic)	29	27
Referring domains (Majestic)	19	69

6 details filled in for both companies.

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