Suparelay vs SingleFax

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

Suparelay compared with SingleFax
Detail	Suparelay	SingleFax
What it does	Call any phone from your computer	Send one-time faxes online from $0.99, pay only if delivered
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	US
Pricing model	Paid	Not given
Pricing	Calls from $0.03 per minute to $1.06 per minute depending on destination country. From $0.03/min to India, $0.04/min to China, $0.05/min to Mexico and Philippines, $0.08/min to Brazil, $0.09/min to Canada and USA, $0.18/min to Egypt, $0.24/min to Germany, $0.27/min to Nigeria, $1.06/min to Pakistan.	One-time fax: from $0.99 for up to 10 pages, then $0.08 per extra page (max 1,000 pages), pay only if delivered. 30-day fax number: $4.99 one-time payment. Lifetime Basic fax number: $97 one-time payment. Lifetime Pro fax number: $147 one-time payment. Standard Plan (monthly): $6.58/mo or $79/year (
Key features	Call any landline or mobile worldwide Price shown before you dial No app or SIM card required Calls cost only cents per minute Credit never expires Calls that don't connect cost nothing Works on any browser and device Keypad support for phone menus Call history and cost tracking Invoice for every top-up	Send faxes from browser, email, or mobile app Pay only if delivery succeeds Support for up to 1,000 pages per fax Timestamped delivery confirmation Searchable AI transcripts for received faxes HIPAA Secure workflow with signed BAA IRS form filing with carrier proof Chrome extension for PDF faxing
What makes it different	Direct connection to local operators without resellers Transparent pay-as-you-go pricing with no monthly plans Modern interface that behaves like a real phone Number verification before calling Business-friendly with shared credit and invoices	No account or subscription required for one-time faxes Pay only if fax delivers successfully Integrated IRS filing with official transmission proof Lifetime fax numbers with no monthly rental fees
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	29 −1 (down) since last check	25 no change since last check
Trust Flow (Majestic)	26	1
Citation Flow (Majestic)	22	27
Referring domains (Majestic)	85	36

5 details filled in for both companies.

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