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1. Listing metadata
Field-level data| Attentive | Preorder, Back In Stock REZ | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
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| Developer |
| Attentive | Preorder, Back In Stock REZ | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
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| Developer |
Sell preorders & backorders with full/partial payments. Auto send back-in-stock & coming soon alerts
| Metric | Attentive: AI‑led Email &SMS | Preorder, Back In Stock REZ |
|---|---|---|
| Rating | 4.7 ★ | ★ 5.0 ★ |
| Total reviews | 112 | ★ 1.5k |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free plan available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 1 tier | ★ 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | 1 | ★ 2 |
| Languages | 1 supported | 24 supported |
| Listed since | Jul 2020 | May 2025 |
Preorder, Back In Stock REZ edges out Attentive: AI‑led Email &SMS on rating (5.0★ vs 4.7★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number.
Pricing entry tiers: Attentive: AI‑led Email &SMS at Free to install, Preorder, Back In Stock REZ 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 (seats, usage volume, integrations) varies.
Preorder, Back In Stock REZ has the larger user base (1,532 reviews vs 112), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Attentive: AI‑led Email &SMS's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Preorder, Back In Stock REZ; mid-market and enterprise merchants with specific feature requirements should evaluate both — Attentive: AI‑led Email &SMS's 112-review base may include the workflow context that matches your specific use case better than Preorder, Back In Stock REZ's broader-but-shallower coverage.
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: Attentive: AI‑led Email &SMS audit • Preorder, Back In Stock REZ audit
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| Last updated | — | — |
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| Keyword | Attentive | Preorder, Back In Stock REZ |
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| branded | #23 | #17 |
| brands | #22 | #20 |
| #15 | #201 |
| Signal | Attentive | Preorder, Back In Stock REZ |
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| Average rating | 4.7 ★ (112) | 5.0 ★ (1.5k) |
| Rating distribution | 587% 43% 30% 23% 18% | 5— 4— 3— 2— 1— |
Both Attentive: AI‑led Email &SMS and Preorder, Back In Stock REZ offer paid plans only. Attentive: AI‑led Email &SMS starts at Free to install; Preorder, Back In Stock REZ starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Preorder, Back In Stock REZ has the higher average rating (5.0★ from 1,532 reviews) compared to Attentive: AI‑led Email &SMS (4.7★ from 112 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Preorder, Back In Stock REZ holds the higher average rating (5.0★ 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. Preorder, Back In Stock REZ has the deeper published review base (1,532 vs 112), 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.
Attentive: AI‑led Email &SMS typically suits early-stage and growth-mode teams based on its published review base (112 reviews). Preorder, Back In Stock REZ typically suits early-stage and growth-mode teams based on its published review base (1,532 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.
We've been using Attentive across our D2C fashion brand and the platform has genuinely transformed how we approach CRM. The segmentation is powerful, the journey builder is intuitive, and the native integration with Shopify (and Meta, for audience syncing) means everything just works without endless workarounds. But ho
The team has been great to work with. I’ve been with them for years, and they’ve been consistently responsive. Luke has taken good care of us
Great platform for growing SMS revenue through campaigns and flow. Team is very supportive for any issues and helps plan out future campaigns. Easy to use and make changes quickly
We use Attentive for newsletters and journeys across both of our brands, and we couldn’t recommend them more. The platform is really easy to use, understand, and navigate, which makes managing campaigns and automations straightforward. Performance has been strong, and we’ve seen great results from our SMS activity. Our
We've been using Attentive for around a year now, starting with SMS, then moving our emails over too. It's super user-friendly, and any issues we have faced have been quickly resolved thanks to our account manager and the White Glove support team. Our account manager Maya always goes above and beyond, providing excelle
No reviews yet.
Migration support varies by app and category. Attentive: AI‑led Email &SMS and Preorder, Back In Stock REZ 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 Attentive: AI‑led Email &SMS" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
