Comparison · Last updated April 2026

Heartly vs Justuno

Heartly wins on dedicated sale pages and AI autopilot. Justuno wins on onsite popups and exit-intent capture for merchants who want that as the primary surface.

01 · About Justuno

What is Justuno?

Justuno is a conversion optimization platform for Shopify and BigCommerce stores. Its core product is on-site popups, banners, and exit-intent overlays. Flash sales inside Justuno are configured as popup campaigns — a countdown overlay that renders on top of the merchant's existing store pages, triggered by visitor behavior rules.

Heartly treats the flash sale as a campaign with its own URL, its own landing page, its own brand, and its own public marketplace listing. Justuno treats the flash sale as a popup overlay layered on top of the merchant's store. Different surfaces, different conversion mechanics. Merchants who want a shareable sale page pick Heartly. Merchants who want onsite popups pick Justuno.

02 · Side by side

Feature comparison.

Feature	Heartly	Justuno
Dedicated flash sale landing page	Yes	No
Onsite popups and banners	No	Core product
Exit-intent overlays	No	Yes
Public Deal Marketplace (deals.heartly.io)	Yes	No
AI crawler optimization (GPTBot, ClaudeBot, PerplexityBot)	Yes	No
AI Autopilot for sale creation	Pro plan	No
Competitor radar	Pro plan	No
Mobile apps (iOS + Android) for shoppers	Yes	No
Real stock scarcity (live inventory)	Yes	No
Shopify support	Yes	Yes
WooCommerce support	Yes	No
A/B testing for popups	No	Yes

Dedicated pages vs popups

A dedicated sale page is a destination. Merchants can link to it from email, social, paid ads, partner sites, and SMS. Justuno popups only fire when a visitor is already on the merchant's store — they cannot be the click target from an outside channel. The same flash sale on Heartly works as the landing page for a Facebook ad; the same sale on Justuno requires the visitor to land on the store first, then triggers the popup. Different traffic flows.

Heartly's marketplace adds a new discovery channel

Every live Heartly sale shows on deals.heartly.io and is indexed by GPTBot, ClaudeBot, and PerplexityBot. A shopper asking ChatGPT for current deals in the merchant's category can discover the sale and click through. Justuno popups are visible only to existing site visitors — the tool optimizes the conversion of traffic the merchant already has. Heartly optimizes that, plus adds a new traffic source.

AI Autopilot vs manual popup builder

Heartly Pro recommends the next flash sale based on inventory signals and sales history, and Autopilot schedules it at the peak conversion hour. Justuno asks the merchant to design the popup, configure the rules, set the discount, and schedule the campaign. For a one-off Black Friday popup, manual works. For regular flash sales as a core channel, Autopilot does the work.

WooCommerce support

Justuno officially supports Shopify and BigCommerce. WooCommerce integration is limited. Heartly is production-ready on both Shopify and WooCommerce with full feature parity — same dashboard, same Marketplace publication, same AI Assistant on either platform.

07 · Pricing

Pricing.

Justuno pricing scales with monthly visitor traffic. Plans start around $39 per month for small stores and increase with traffic tiers. Heartly is a flat €29 to €99 per month regardless of visitor count. For high-traffic stores running multiple popup campaigns, Justuno costs add up; Heartly's flat rate stays predictable.

See Heartly pricing→

Last thing

Run your first flash sale on Heartly.

7-day free trial on every plan. Install in under 2 minutes on Shopify or WooCommerce.

Start free trial →All features ↗

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