Sumo
Pros
- Genuinely useful free plan — functional lead capture without any payment required
- Welcome mat full-screen overlay is one of the highest-converting lead capture formats
- Content upgrade delivery — automatically delivers lead magnets to new subscribers
- Smart bar sticky header captures leads without interrupting the browsing experience
- Integrates with Mailchimp, AWeber, ConvertKit and other major email platforms
Cons
- Free plan includes Sumo branding on all forms and popups
- Design quality of default templates less polished than premium competitors
- Feature development slower than actively growing competitors
- E-commerce features primarily focused on Shopify rather than broader platforms
- Less advanced targeting and personalisation than OptinMonster or OptiMonk
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