Comparison

Slido vs Vevox

Slido lands on Worth it, and Vevox lands on Depends.

Slido

Worth it

Confidence: Medium

Buy if you run recurring meetings, lectures, or events where live Q&A and polls lift engagement.

Depends

Confidence: Medium

Buy if you regularly run lectures, training sessions, or large meetings where live polls and Q&A add real value.

Slido versus Vevox
Compare	Slido	Vevox
Verdict	Worth it	Depends
Best for	Conference and event organizers	University lecturers and large classes
Who it's not for	One-off surveys . Google Forms is free	Anyone needing one quick poll . free Zoom/Forms tools suffice
Privacy	Cisco-owned, UpGuard grade A (893/950), Microsoft 365 certified; one medium-severity REST API vulnerability (CVE-2026-20219) disclosed.^⁸	ISO/IEC 27001 certified; Microsoft 365 app certification for Teams and PowerPoint; no public vulnerabilities found in the sources reviewed.
Support quality	No support evidence in sources reviewed	No support evidence in reviewed sources
Public sentiment	Users praise Slido's ease of use and anonymous Q&A; trade-offs appear around customization and pricing.^⁵	Users rate Vevox among the top polling tools . 4.7/5 on G2 and 5/5 on Trustpilot . with ease of use the most-cited strength.¹⁶
Biggest gotcha	Five pricing editions and multiple annual license models . confirm participant caps before committing	Entry paid plan cited at $245/yr . verify current tier limits before purchasing