Side-by-side comparison · 24 data points
Recover lost sales by automatically notifying customers when products are back in stock.
| Alarmify ‑ Inventory Alarm | Notify! Back in Stock|PreOrder | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
Notify Me! for back in stock alert, backorder, out of stock waiting list, low stock alert & wishlist
| Metric | Alarmify ‑ Inventory Alarm | Notify! Back in Stock|PreOrder |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.9 ★ |
| Total reviews | 2 | ★ 3.4k |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free plan available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 4 tiers | 4 tiers |
| Listed features | ★ 5 | 4 |
| Featured placements | — | 2 |
| Languages | 3 supported | 13 supported |
| Listed since | Apr 2025 | May 2020 |
Alarmify ‑ Inventory Alarm and Notify! Back in Stock|PreOrder are evenly matched on rating (5.0★ vs 4.9★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow. Pricing entry tiers: Alarmify ‑ Inventory Alarm at Free trial available, Notify! Back in Stock|PreOrder 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 (apps, orders, integrations) varies. Notify! Back in Stock|PreOrder has the larger user base (3,382 reviews vs 2), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Alarmify ‑ Inventory Alarm'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: Alarmify ‑ Inventory Alarm audit • Notify! Back in Stock|PreOrder audit
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| Keyword | Alarmify ‑ Inventory Alarm | Notify! Back in Stock|PreOrder |
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| preorder | Not ranked | #1 |
| notify | Not ranked | #1 |
| guest wishlist | Not ranked | #1 |
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Both Alarmify ‑ Inventory Alarm and Notify! Back in Stock|PreOrder offer paid plans only. Alarmify ‑ Inventory Alarm starts at Free trial available; Notify! Back in Stock|PreOrder starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Alarmify ‑ Inventory Alarm (5.0★, 2 reviews) and Notify! Back in Stock|PreOrder (4.9★, 3,382 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. Alarmify ‑ Inventory Alarm fits better if you prioritize rating consistency; Notify! Back in Stock|PreOrder is the call if you need the larger user base. 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 (3,382 reviews vs 2), 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.
Alarmify ‑ Inventory Alarm typically suits early-stage and growth-mode stores based on its review-base composition (2 reviews). Notify! Back in Stock|PreOrder aligns more with early-stage and growth-mode stores (3,382 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. Alarmify ‑ Inventory Alarm and Notify! Back in Stock|PreOrder 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 Alarmify ‑ Inventory Alarm" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
