SingleFax vs PARROLI

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

SingleFax compared with PARROLI
Detail	SingleFax	PARROLI
What it does	Send one-time faxes online from $0.99, pay only if delivered	The credit card that pays you in real gold
Stage	Not given	MVP
Founded	Not given	Not given
Based in	US	US
Pricing model	Not given	Paid
Pricing	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 (	Target APR 7.99%–9.99% for gold-backed credit; ~20%+ APR for card-only start; 2% annual Storage & Ownership Fee; 0% fee on one eligible gold purchase ($5k–$20k) for Founding Members; Gold Rewards: 5% on first $3,000 of eligible spending, then 3% up to $15,000 per year for five-year benefit period.
Key features	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	Invest in allocated physical gold stored in COMEX-approved vault Borrow up to 65% of gold value at 7.99%–9.99% APR Earn 1–5% physical gold rewards on card purchases Fully insured gold holdings through Lloyd's of London Gold redemption within 28 days or physical delivery Works as regular Visa/Mastercard worldwide Real-time gold valuations from Bullion Market pricing Ownership Certificate documenting allocated gold holdings Two entry paths: start with gold or start with card
What makes it different	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	Earn real physical gold on everyday card spending instead of cash back Use gold as collateral for lower-rate credit without selling it Card tier and credit line determined by gold holdings, not spending or fees Allocated gold held in your name with independent custody and property-rights protection Flexible entry: start with purchasing gold or applying for card first
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)	25 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	1	0
Citation Flow (Majestic)	27	10
Referring domains (Majestic)	36	2

5 details filled in for both companies.

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