SingleFax vs shibaSIM

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 shibaSIM
Detail	SingleFax	shibaSIM
What it does	Send one-time faxes online from $0.99, pay only if delivered	Travel eSIM and monthly SIM plans with support in Japan
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
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 (	Japan: from 29,000₫; South Korea: from 29,000₫; Taiwan: from 39,000₫; Thailand: from 59,000₫; Singapore: from 39,000₫; USA: from 29,000₫; Europe (44 countries): from 99,000₫; Australia: from 69,000₫. Prices in Vietnamese Dong (₫). Monthly SIM plans for people living in Japan available separately.
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	QR code delivery via email or Zalo Vietnamese language support 8:00-22:00 JST Payment via VietQR without hidden fees Device compatibility checking Refund for plan faults 43 destinations with 727 plans
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	Instant digital delivery via QR code with no shipping wait Vietnamese and English support team based in Japan Pricing in Vietnamese Dong with no hidden fees or international card required Money-back guarantee for non-activation due to plan faults
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	2 +1 (up) since last check
Trust Flow (Majestic)	1	2
Citation Flow (Majestic)	27	29
Referring domains (Majestic)	36	8

4 details filled in for both companies.

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