STOQ vs AMP: which preorder and back-in-stock app is right for your store?
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STOQ vs AMP: full comparison
The differences that matter
Both apps do preorders and back-in-stock, with email and SMS. Here's where the choice actually comes down — including where AMP still wins.
Cheaper at every tier
AMP runs $19 / $49 / $99, bills SMS on top, and gates its API, Klaviyo, and even preorders to higher tiers — and on Shopify Plus its Pro plan is $299 a month, because the $99 tier only buys Growth there.
STOQ is flat: $10 / $29 / $69, the same on Basic Shopify or Plus, with the API on every plan. Scaling up to Plus doesn't quadruple your app cost.
Real support when a launch breaks
AMP support is email/ticket only — no live chat, no published hours, and reviewers report replies taking around three days. "Slow or no support" is the most common complaint in its reviews.
STOQ has in-app live chat, onboarding calls, and 24/7 help. When a preorder button misbehaves the night before a drop, that's the difference between a quick fix and a lost launch.
Deeper, more flexible preorders
AMP's preorders are rigid: the merchant sets one billing policy (customers can't choose), there's no $0-down / pay-later, and preorders are gateway-restricted with no POS.
STOQ lets customers choose full payment or a deposit, take nothing upfront and pay later, and holds or splits preorder fulfillment so a launch doesn't jam normal shipping.
Markets, POS, and 24/7 alerts
AMP runs on the online store only — no Shopify Markets (translations are manual), no POS, undocumented B2B, and its emails are held to an 8am–8pm PST window, so a 2am restock waits until morning. Where AMP does pull ahead: web push, wishlists, and fine delivery tuning for very large restocks.
STOQ runs Shopify Markets for both jobs, sells preorders on POS and B2B (Plus), and sends alerts the moment stock is back, in the customer's language and market.
Switching is simple
Switching to STOQ doesn't mean starting over. If you have signups in another app, bring them with you, and your customers keep getting restock alerts on time. Three steps:
