What is OptinMonster?
Lead-generation software for popups, floating bars, inline forms and gamified campaigns. It is a good fit for small businesses and WordPress sites wanting affordable, template-driven popups.
Pricing: $9/mo (billed annually, first year).
Where ConvertFlow is different
OptinMonster offers template popups with rule-based targeting. ConvertFlow builds ecommerce quiz funnels with catalog product recommendations and bundles, personalizes by quiz answers and, on Pro, CRM data, and A/B tests every funnel step. ConvertFlow AI also drives agentic funnel experimentation across the full funnel, with automated A/B testing for landing pages, popups, quiz funnels and site content.
Which should you choose?
OptinMonster is the better fit for small businesses and WordPress sites wanting affordable, template-driven popups. ConvertFlow is the better fit if you want quiz funnels, popups, landing pages and on-site personalization in one builder, synced to Klaviyo and other CRM integrations (Salesforce, HubSpot, Customer.io etc), with ConvertFlow AI running automated A/B tests across the full funnel.
Features and pricing were checked on OptinMonster's own website in November 2026. ConvertFlow is our product. If anything here is out of date, let us know and we'll correct it.
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