Alternatives to HollerBox

Wisepops

Popups and Overlays

Wisepops is an onsite marketing platform for creating popups, sticky bars, embedded forms, and notifications to convert website visitors into subscribers and customers.

MailOptin

Email Marketing

WordPress plugin for lead generation, email popups, and automated email notifications.

Sleeknote

Popups and Overlays

Lead capture and onsite engagement tool creating non-intrusive pop-ups, side-ins, and product recommendation overlays for ecommerce and B2B sites.

ConvertBox

Lead Generation

On-site lead generation and engagement tool with slide-ins, full-page overlays, and sticky bars triggered by user behavior and segmentation rules.

OptinMonster

Lead Generation

Lead generation software creating pop-ups, floating bars, and gamified opt-in forms with advanced targeting rules and exit-intent technology.

Convertful

Popups and Overlays

All-in-one opt-in platform with smart popups, floating bars, and inline widgets with advanced targeting and A/B testing.

Hello Bar

Conversion Rate Optimization

Simple conversion tool adding notification bars, pop-ups, sliders, and full-page takeovers to websites for email collection and promotions.

MailOptin

Lead Generation

WordPress lead generation plugin with email opt-in forms, popups, and content lock for building subscriber lists.

Picreel

Exit Intent Software

Exit intent pop-up tool using AI to predict visitor exit behavior and display targeted offers, coupons, and opt-in forms at the right moment.

Poptin

Popup Builder Software

Pop-up builder and lead capture tool creating exit-intent pop-ups, floating bars, countdown timers, and embedded forms for website conversion.