HelloBar
Depends
Confidence: Medium
Buy if you run a blog, niche site, or small store and want cheap, dead-simple popups and email capture.
Comparison
HelloBar vs PopupBuilder.io
HelloBar lands on Depends, and PopupBuilder.io lands on Skip.
PopupBuilder.io
Skip
Confidence: Medium
Nothing to buy here . PopupBuilder.io is a free, small-team comparison blog covering 10 popup tools, not software.
| Compare | HelloBar | PopupBuilder.io |
|---|---|---|
| Verdict | Depends | Skip |
| Best for | Bloggers and content sites building email lists | Marketers shortlisting popup tools |
| Who it's not for | Security-sensitive WordPress sites running unpatched plugins | Anyone needing actual popup software |
| Privacy | One known CVE: stored XSS in the WordPress plugin (versions ≤1.5.1), CVSS 6.5 . update before installing.⁸ | No known public vulnerabilities found in the sources reviewed. |
| Support quality | Reddit user reported emailed issue going unresolved | No support evidence found |
| Public sentiment | Users praise its simplicity and reasonable pricing, but some say it has slipped since its heyday and one blames it for site slowdowns and lost sales. | No independent user reviews of itself were found; reception evidence is limited to its own pages and a founder launch post. |
| Biggest gotcha | WordPress plugin versions 1.5.1 and below had stored XSS . verify you run the patched version⁹ | No price published for 'premium content'; expect email gating and upsells. |
Pick HelloBar when
- Bloggers and content sites building email lists
- Small e-commerce stores
- Non-technical marketers wanting fast popups
- Anyone testing lead capture cheaply
When HelloBar is not a fit
- Security-sensitive WordPress sites running unpatched plugins
- Teams needing advanced targeting or personalization
- Enterprise CRO programs wanting a full testing suite
- Anyone burned before by popup-induced site slowdowns
Pick PopupBuilder.io when
- Marketers shortlisting popup tools
- Agencies vetting tools for clients
- Small sites comparing Poptin vs Popupsmart vs Privy
When PopupBuilder.io is not a fit
- Anyone needing actual popup software
- Buyers wanting independent, lab-tested benchmarks
- Teams that already picked a tool
- WordPress admins seeking the 'Popup Builder' plugin . different product
Sources
- Hello Bar Reviews 2026 . Capterracapterra.comreview
- Hello Bar Reviews . Trustpilottrustpilot.comreview
- Hello Bar Review 2026: Honest Verdict . Hackcelerationhackceleration.comreview
review
- Hello Bar Popup Builder . WordPress.orgwordpress.orgofficial
- Hello Bar Pricinghellobar.comofficial
- WowOptin vs HelloBarwowoptin.comreview
- CVE-2026-39666 . NVDnvd.nist.govsecurity
- Hello Bar Popup Builder XSS . Wordfencewordfence.comsecurity
- Popupsmart vs Hello Bar . PopupBuilder.iopopupbuilder.ioreview
- Best Popup Builder Directory - PopupBuilder.iopopupbuilder.ioofficial
- About PopupBuilder.iopopupbuilder.ioofficial
- Poptin Review - PopupBuilder.iopopupbuilder.ioreview
- Popupsmart Review - PopupBuilder.iopopupbuilder.ioreview
- Privy Review - PopupBuilder.iopopupbuilder.ioreview
- OptinMonster Reviews 2026 - PopupBuilder.iopopupbuilder.ioreview