1fax vs Humblefax: most-reported complaints compared
Most-reported issues at 1fax and Humblefax, according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.
1fax
TrustScore 4.6 · 72 reviews on Trustpilot.
66 reviews analysed, 2026-01-03 to 2026-09-01.
Complaint rate (recent window): 6%
100% of negative reviews get a company reply.
“Couldn’t get the fax to go through. Paid for credits 3 different times trying to send the same fax.”
Humblefax
TrustScore 4.8 · 3,388 reviews on Trustpilot.
299 reviews analysed, 2024-05-30 to 2026-09-17.
Complaint rate (recent window): 7%
62% of negative reviews get a company reply.
“They false advertise their "unlimited pages".”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | 1fax | Humblefax |
|---|---|---|
| Other | 50% | 15% |
Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, 1fax or Humblefax.