Side-by-side comparison · 24 data points
Don’t miss a sale - send back in stock notifications and price drop alerts that drive action!
| FAST Alerts | Shopify Messaging | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
Reach more customers and drive sales through email, SMS, and WhatsApp marketing channels.
| Metric | FAST Alerts: Back in Stock | Shopify Messaging |
|---|---|---|
| Rating | ★ 4.8 ★ | 4.7 ★ |
| Total reviews | 9 | ★ 4.5k |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free to install |
| Built for Shopify | — | — |
| Pricing tiers | ★ 4 tiers | 1 tier |
| Listed features | 5 | 5 |
| Featured placements | — | 3 |
| Languages | 1 supported | 21 supported |
| Listed since | Jan 2022 | Apr 2020 |
FAST Alerts: Back in Stock and Shopify Messaging are evenly matched on rating (4.8★ vs 4.7★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow.
Pricing entry tiers: FAST Alerts: Back in Stock at Free plan available, Shopify Messaging at Free to install. 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.
Shopify Messaging has the larger user base (4,467 reviews vs 9), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. FAST Alerts: 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 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: FAST Alerts: Back in Stock audit • Shopify Messaging audit
| Last updated | — | — |
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| Keyword | FAST Alerts | Shopify Messaging |
|---|---|---|
| #195 | #2 |
Not featured in any section recently.
Both FAST Alerts: Back in Stock and Shopify Messaging offer paid plans only. FAST Alerts: Back in Stock starts at Free plan available; Shopify Messaging starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
FAST Alerts: Back in Stock (4.8★, 9 reviews) and Shopify Messaging (4.7★, 4,467 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
FAST Alerts: Back in Stock holds the higher average rating (4.8★ vs 4.7★). 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. Shopify Messaging has the deeper published review base (4,467 vs 9), 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.
FAST Alerts: Back in Stock typically suits early-stage and growth-mode teams based on its published review base (9 reviews). Shopify Messaging typically suits early-stage and growth-mode teams based on its published review base (4,467 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. FAST Alerts: Back in Stock and Shopify Messaging 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 FAST Alerts: 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.
