Side-by-side comparison · 24 data points
Avoid losing sales with back in stock alert, preorder, backorder, notify me and partial payment
| syncX Preorder & Back In Stock | Preorder, Back In Stock REZ | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
Sell preorders & backorders with full/partial payments. Auto send back-in-stock & coming soon alerts
| Metric | syncX Preorder & Back In Stock | Preorder, Back In Stock REZ |
|---|---|---|
| Rating | 4.9 ★ | ★ 5.0 ★ |
| Total reviews | 31 | ★ 1.5k |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 4 tiers | 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 2 |
| Languages | 1 supported | 24 supported |
| Listed since | Oct 2024 | May 2025 |
syncX Preorder & Back In Stock and Preorder, Back In Stock REZ 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: syncX Preorder & Back In Stock at Free plan available, 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 (1,528 reviews vs 31), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. syncX 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 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: syncX Preorder & Back In Stock audit • Preorder, Back In Stock REZ audit
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| Keyword | syncX Preorder & Back In Stock | Preorder, Back In Stock REZ |
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| preorder | #24 | #3 |
| partial payments | #22 | #9 |
| partial payment | #24 | #13 |
Not featured in any section recently.
Both syncX Preorder & Back In Stock and Preorder, Back In Stock REZ offer paid plans only. syncX Preorder & Back In Stock starts at Free plan available; Preorder, Back In Stock REZ starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
syncX Preorder & Back In Stock (4.9★, 31 reviews) and Preorder, Back In Stock REZ (5.0★, 1,528 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Preorder, Back In Stock REZ holds the higher average rating (5.0★ vs 4.9★). 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 (1,528 vs 31), 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.
syncX Preorder & Back In Stock typically suits early-stage and growth-mode teams based on its published review base (31 reviews). Preorder, Back In Stock REZ typically suits early-stage and growth-mode teams based on its published review base (1,528 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. syncX Preorder & Back In Stock 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 syncX 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.
