Side-by-side comparison · 24 data points
Capture sales with Back in Stock alerts, Preorders, Wishlists & Low Stocks. Trusted since 2011.
| Amp Back in Stock & Preorder + | Preorder, Back in stock Duck | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — |
Grow sales with pre-order, backorder. Add out of stock waitlists with 'notify me' & restock alerts.
| Metric | Amp Back in Stock & Preorder + | Preorder, Back in stock Duck |
|---|---|---|
| Rating | 4.9 ★ | ★ 5.0 ★ |
| Total reviews | ★ 941 | 514 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 4 tiers | 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | 1 | ★ 2 |
| Languages | 1 supported | 1 supported |
| Listed since | May 2011 | Mar 2023 |
Amp Back in Stock & Preorder + and Preorder, Back in stock Duck are evenly matched on rating (4.9★ vs 5.0★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: Amp Back in Stock & Preorder + at Free plan available, Preorder, Back in stock Duck at Free plan available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (seats, usage volume, integrations) varies.
Amp Back in Stock & Preorder + has the larger user base (941 reviews vs 514), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Preorder, Back in stock Duck's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort for 7-14 days before committing. The data tables below show the per-feature breakdown — for most merchants the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Amp Back in Stock & Preorder + audit • Preorder, Back in stock Duck audit
| Keyword | Amp Back in Stock & Preorder + | Preorder, Back in stock Duck |
|---|---|---|
| back | #5 | #7 |
| back in | #71 | #9 |
| back in stock | #7 | #10 |
| in stock alerts | #8 | #9 |
| in stock | #11 | #7 |
Both Amp Back in Stock & Preorder + and Preorder, Back in stock Duck offer paid plans only. Amp Back in Stock & Preorder + starts at Free plan available; Preorder, Back in stock Duck starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Amp Back in Stock & Preorder + (4.9★, 941 reviews) and Preorder, Back in stock Duck (5.0★, 514 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Preorder, Back in stock Duck holds the higher average rating (5.0★ vs 4.9★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Amp Back in Stock & Preorder + has the deeper published review base (941 vs 514), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Amp Back in Stock & Preorder + typically suits early-stage and growth-mode teams based on its published review base (941 reviews). Preorder, Back in stock Duck typically suits early-stage and growth-mode teams based on its published review base (514 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Amp Back in Stock & Preorder + and Preorder, Back in stock Duck both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Preorder, Back in stock Duck" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
