MailerLite vs IObit: most-reported complaints compared
Most-reported issues at MailerLite and IObit, 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.
MailerLite
TrustScore 4.1 · 3,315 reviews on Trustpilot.
297 reviews analysed, 2026-04-20 to 2026-09-24.
Complaint rate (recent window): 30%
47% of negative reviews get a company reply.
“Without any warning, MailerLite terminated my account citing anti-spam violations.”
IObit
TrustScore 4.6 · 2,281 reviews on Trustpilot.
679 reviews analysed, 2017-10-22 to 2026-09-24.
Complaint rate (recent window): 8%
99% of negative reviews get a company reply.
“IT CORRUPTS YOUR DRIVERS THAT EVEN RESTORE WILL NOT FIX”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | MailerLite | IObit |
|---|---|---|
| Support unhelpful | 28% | 18% |
| Support unreachable | 19% | 14% |
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, MailerLite or IObit.