Side-by-side comparison · 24 data points·60% similar
Notify Me! for back in stock alert, backorder, out of stock waiting list, low stock alert & wishlist
| Notify! Back in Stock|PreOrder | REZ Preorder, Back In Stock | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
Sell preorders & backorders with full/partial payments. Auto send back-in-stock & coming soon alerts
| Metric | Notify! Back in Stock|PreOrder | REZ Preorder, Back In Stock |
|---|---|---|
| Rating | 4.9 ★ | ★ 5.0 ★ |
| Total reviews | ★ 3.4k | 1.2k |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 4 tiers | — |
| Listed features | 4 | ★ 5 |
| Featured placements | 2 | — |
| Languages | 13 supported | 24 supported |
| Listed since | May 2020 | May 2025 |
Notify! Back in Stock|PreOrder and REZ Preorder, Back In Stock 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: Notify! Back in Stock|PreOrder at Free plan available, REZ Preorder, Back In Stock at Free. 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 (apps, orders, integrations) varies. Notify! Back in Stock|PreOrder has the larger user base (3,393 reviews vs 1,227), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. REZ Preorder, Back In Stock'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 of orders 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: Notify! Back in Stock|PreOrder audit • REZ Preorder, Back In Stock audit
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| Last updated | — | — |
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| Keyword | Notify! Back in Stock|PreOrder | REZ Preorder, Back In Stock |
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| stock | #1 | #2 |
| preorder | #1 | #3 |
| of stock | #3 | #1 |
| back in | #1 | #4 |
| notify me | #2 | #3 |
Not featured in any section recently.
Both Notify! Back in Stock|PreOrder and REZ Preorder, Back In Stock offer paid plans only. Notify! Back in Stock|PreOrder starts at Free plan available; REZ Preorder, Back In Stock starts at Free. Compare the per-tier features in the Pricing section above before committing.
Notify! Back in Stock|PreOrder (4.9★, 3,393 reviews) and REZ Preorder, Back In Stock (5.0★, 1,227 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
It depends on what you're optimizing for. Notify! Back in Stock|PreOrder fits better if you prioritize broader integrations; REZ Preorder, Back In Stock is the call if you need the higher-rated option. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Both apps are one-click installs from the Shopify App Store marketplace. Notify! Back in Stock|PreOrder has more onboarding documentation maturity (3,393 reviews vs 1,227), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Notify! Back in Stock|PreOrder typically suits early-stage and growth-mode stores based on its review-base composition (3,393 reviews). REZ Preorder, Back In Stock aligns more with early-stage and growth-mode stores (1,227 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Migration support varies by app and category. Notify! Back in Stock|PreOrder and REZ Preorder, Back In Stock 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 REZ Preorder, Back In Stock" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
