Side-by-side comparison
Preorders, Send Back in Stock Alerts, Notify Me Waitlist, Restock Alerts by Email, SMS & WhatsApp.
Notify shoppers by email the instant a sold-out product restocks — automatic, no manual follow-up.
| Metric | Back in Stock Alert & Preorder | Restock Alerts by MerchaLabs |
|---|---|---|
| Rating | 5.0 ★ | — |
| Total reviews | 40 | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | 5 |
On the measured data here, Back in Stock Alert & Preorder leads on more dimensions (3 vs 0). Pick Restock Alerts by MerchaLabs if one of the points where it leads is what you need.
Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: Back in Stock Alert & Preorder audit • Restock Alerts by MerchaLabs audit
| Field | Back in Stock Alert & Preorder | Restock Alerts by MerchaLabs |
|---|---|---|
| Tagline | ||
| Listing audit | 93/100 listing audit | 80/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| 3 |
| Languages | 5 supported | 1 supported |
|---|
| Listed since | Jul 2025 | Jun 2026 |
|---|
| Listed |
|---|
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| Keyword | Back in Stock Alert & Preorder | Restock Alerts by MerchaLabs |
|---|---|---|
| restock alert | #2 | Not ranked |
| restock alerts | #2 | Not ranked |
| stock alert | #6 | Not ranked |
Both Back in Stock Alert & Preorder and Restock Alerts by MerchaLabs offer a free plan. Back in Stock Alert & Preorder lists no paid plan with a published price; Restock Alerts by MerchaLabs lists no paid plan with a published price. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.
AppRanks cannot separate these two on rating, because neither publishes one. Back in Stock Alert & Preorder does carry the larger published review base (40 vs 0). Read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; Back in Stock Alert & Preorder has more published reviews to read for user-reported install experience (40 vs 0).
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: Back in Stock Alert & Preorder has 40 published reviews; Restock Alerts by MerchaLabs has 0 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. Back in Stock Alert & Preorder and Restock Alerts by MerchaLabs 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 Restock Alerts by MerchaLabs" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
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