email-validation.org vs Cendro by Oakbox

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

email-validation.org compared with Cendro by Oakbox
Detail	email-validation.org	Cendro by Oakbox
What it does	Email validation at extreme speed and accuracy	Private AI that runs on your computer to sort mail, find to-dos and bills, and answer questions across all your email
Stage	Startup	MVP
Founded	2026	2026
Based in	US	US
Pricing model	Paid	Freemium
Pricing	Credit packs from $35 for 10,000 credits ($3.50 per 1,000) to $8,000 for 50,000,000 credits ($0.16 per 1,000). Up to 500 free credits on sign-up (100 with free email providers). 15% bonus on first 3 payments. No subscription. Unknown results free. Credits expire 24 months after grant.	Not given
Key features	Single address checker with 5 free checks daily Bulk list upload up to 1 million rows in CSV, XLSX or TXT REST API with OpenAPI 3.1 spec, webhooks and SDKs Five status results: valid, invalid, catch-all, unknown, disposable 15-second timeout on mail server checks Serverless infrastructure on Cloudflare Workers 12-month answer caching for repeat checks EU data residency option 99.2% accuracy guarantee on bulk list results Passkey and Google Sign-in authentication	AI-powered inbox sorting into five categories: Do Now, Needs Decision, Waiting, Information, and Skim later Support for Gmail, Outlook, Microsoft 365, Yahoo, iCloud, Fastmail, and IMAP Encryption with passphrase or computer login Search and read archived PST and MBOX files Local AI model selection based on computer hardware Read-only access with no modifications to mailboxes Project organization with mailboxes, keywords, notes, and pinned emails
What makes it different	Fast results from Cloudflare edge network with 15-second ceiling No email is sent to addresses during validation Lists automatically deleted after 30 days No passwords with passkeys built in	AI runs entirely on your computer with no data sent to external servers or AI companies Works offline with your existing email providers and archives AI model automatically chosen based on your computer's capabilities Answers with direct citations to specific emails and attachments
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

7 details filled in for both companies.

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