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1. Listing metadata
Field-level data| Privy ‑ | Preorder, Back In Stock REZ | |
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| Description | ||
| Screenshots | images | images |
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| Developer |
| Privy ‑ | Preorder, Back In Stock REZ | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
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| Developer |
Sell preorders & backorders with full/partial payments. Auto send back-in-stock & coming soon alerts
| Metric | Privy ‑ Email, SMS & Pop Ups | Preorder, Back In Stock REZ |
|---|---|---|
| Rating | 4.5 ★ | ★ 5.0 ★ |
| Total reviews | ★ 4.2k | 1.5k |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free plan available |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 3 tiers | ★ 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | 1 | ★ 2 |
| Review velocity (30d) | 0 new | — |
| Languages | 4 supported | 24 supported |
| Listed since | Jun 2015 | May 2025 |
Based on the data on this page, Preorder, Back In Stock REZ is the stronger choice for most Shopify App Store merchants — 5.0★ vs Privy ‑ Email, SMS & Pop Ups's 4.5★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Privy ‑ Email, SMS & Pop Ups 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.
Privy ‑ Email, SMS & Pop Ups has the larger user base (4,227 reviews vs 1,532), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Preorder, Back In Stock REZ'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 — Privy ‑ Email, SMS & Pop Ups's 4,227-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: Privy ‑ Email, SMS & Pop Ups audit • Preorder, Back In Stock REZ audit
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| Last updated | — | — |
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| Keyword | Privy ‑ | Preorder, Back In Stock REZ |
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| #19 | #230 | |
| forms | #238 | #93 |
| form | #239 | #98 |
No tracked changes.
| Signal | Privy ‑ | Preorder, Back In Stock REZ |
|---|---|---|
| Average rating | 4.5 ★ (4.2k) | 5.0 ★ (1.5k) |
| Rating distribution | 572% 46% 33% 24% 115% | 5— 4— 3— 2— 1— |
| Reviews · last 7 days | +0 | — |
| Reviews · last 30 days | +0 | — |
| Reviews · last 90 days | +2 | — |
Both Privy ‑ Email, SMS & Pop Ups and Preorder, Back In Stock REZ offer paid plans only. Privy ‑ Email, SMS & Pop Ups 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 Privy ‑ Email, SMS & Pop Ups (4.5★ from 4,227 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 4.5★). 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. Privy ‑ Email, SMS & Pop Ups has the deeper published review base (4,227 vs 1,532), 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.
Privy ‑ Email, SMS & Pop Ups typically suits early-stage and growth-mode teams based on its published review base (4,227 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 had a great experience using Privy to grow our email list and improve customer engagement. The pop-up builder is easy to use, and setting up campaigns like welcome discounts, exit intent offers, and abandoned cart recovery was surprisingly straightforward. We also appreciate having email, SMS, and popups in one p
I originally signed up for a monthly plan of $15 to create a pop-up. Without knowing, I have been charged $45 monthly for my users which don't have anything to do with the use of the app. This is absolutely absurd.
Excelente servicio.
Super available and ready to help with expertise..AND... it's a real person on the other end! The best.
Responsive & friendly customer support! Jose was fantastic and got me the answers I needed quickly.
No reviews yet.
Migration support varies by app and category. Privy ‑ Email, SMS & Pop Ups 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 Preorder, Back In Stock REZ" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
