
Pop-upsBy Grumspot Ltd.Launched September 15, 2026Updated October 6, 2026
UpServe: Pre‑purchase Upsells launched on September 15, 2026. Shoplist is watching for its first storefront installs and tracking its public listing in the meantime.
Apps merchants weigh against UpServe: Pre‑purchase Upsells, with their own detected stores and ratings.
Get alerted on first storefront installs, review spikes, pricing changes, and listing edits.
Boost revenue with add-to-cart popup upsells. Templates, full design control, live analytics
Every order is a chance to sell one more item, but most upsell apps bury your brand under clunky, generic popups. UpServe shows a clean upsell popup right after a shopper adds a product to cart, styled to match your store. Start from a template or design your own: colors, corner radius, shadows, spacing. Every detail is yours. Variants display as color swatches or pills, and optional discounts sweeten the offer. Track impressions, add-to-cart rate, conversions, and added revenue per offer.
Every number on this page comes from public storefront scans and the public Shopify App Store listing. If Shoplist shows UpServe: Pre‑purchase Upsells on a store, it is there.
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Detected stores, ratings, pricing, and momentum side by side.
Developer
Every app Grumspot Ltd. publishes, with their detected reach.
Rankings
The ten apps gaining the most detected installs in each category.
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