Side-by-side comparison
Turn sold-out products into sales with notify me buttons and automatic back in stock email alerts.
Win back sales from your sold-outs: back in stock alerts, advanced restock insights & sales tracking
| Metric | Back in Stock,Restock ‑ Backly | XFlow Back in Stock Alerts |
|---|---|---|
| Rating | — | 5.0 ★ |
| Total reviews | 0 | 70 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 3 tiers | 3 tiers |
| Listed features | 5 | 5 |
Back in Stock,Restock and XFlow Back in Stock Alerts each lead on different measured dimensions — pick by the one that matters most to you.
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,Restock ‑ Backly audit • XFlow Back in Stock Alerts audit
| Field | Back in Stock,Restock ‑ Backly | XFlow Back in Stock Alerts |
|---|---|---|
| Tagline | ||
| Listing audit | 94/100 listing audit | 93/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms |
| Languages | 21 supported | 5 supported |
|---|
| Listed since | Jul 2026 | Dec 2025 |
|---|
| Developer |
|---|
| Listed |
|---|
None
| Keyword | Back in Stock,Restock ‑ Backly | XFlow Back in Stock Alerts |
|---|---|---|
| send unlimited | Not ranked | #2 |
| lost | Not ranked | #3 |
| back in stock alerts | Not ranked | #5 |
Both Back in Stock,Restock ‑ Backly and XFlow Back in Stock Alerts offer a free plan. Back in Stock,Restock ‑ Backly lists no paid plan with a published price; XFlow Back in Stock Alerts 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. XFlow Back in Stock Alerts does carry the larger published review base (70 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; XFlow Back in Stock Alerts has more published reviews to read for user-reported install experience (70 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,Restock ‑ Backly has 0 published reviews; XFlow Back in Stock Alerts has 70 published reviews. Compare plan limits and pricing tiers against your own volume.
Migration support varies by app and category. Back in Stock,Restock ‑ Backly and XFlow Back in Stock Alerts 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 Back in Stock,Restock ‑ Backly" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.