MailerLite vs Use AI: most-reported complaints compared
Most-reported issues at MailerLite and Use AI, 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.”
Use AI
TrustScore 4 · 50,146 reviews on Trustpilot.
2,337 reviews analysed, 2026-07-14 to 2026-09-23.
Complaint rate (recent window): 21%
100% of negative reviews get a company reply.
“Unexpected recurring charge and refund refused I am extremely disappointed with my experience with Use.AI.”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | MailerLite | Use AI |
|---|---|---|
| Account/app problems | 58% | 12% |
| Overcharging | 9% | 11% |
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 Use AI.