(Updated September 2026) Track Back in stock Restock Preorder's estimated install share within every Shopify App Store group it appears in — categories, keywords, and collections — with current %, 30-day change, and Growing / Stable / Declining status. Back in stock alerts that help you recover sales when sold-out products become available again..
Back in stock Restock Preorder's estimated install share within each Shopify App Store group it appears in — categories, keywords, and collections — with current %, status (Growing / Stable / Declining), and 30-day change. Filterable by date range and sortable by share or share change.
| Category/Keyword | Market Share | Status |
|---|---|---|
CategoryStock alerts Marketing and conversion > Upsell and bundles > Stock alerts | 0.27%0.01 | Declining |
CategoryProduct variants Selling products > Custom products > Product variants | 0.19%0.01 | Growing |
CategoryCustom products Selling products > Custom products | 0.18%0.00 | Growing |
KeywordEmail alerts | 0.10%0.63 | Declining |
CategorySelling products | 0.06%0.00 | Growing |
CategoryUpsell and bundles Marketing and conversion > Upsell and bundles | 0.04%0.00 | Declining |
CategoryMarketing and conversion | 0.02%0.00 | Declining |
KeywordBack-in-stock emails | 0.01%0.02 | Declining |
Keywordback in stock | 0.00%0.00 | Declining |
Showing 1-9 out of 9
Key Insights:
Monthly market share trajectory for Back in stock Restock Preorder across its top 5 Shopify App Store groups over the past year — pick categories or keywords to plot, filter by country, and switch sub-tabs for absolute share or per-interval change.
| Category / Keyword | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| Stock Alerts | 0.23% | 0.21%0.02 | 0.28%0.07 | 0.26%0.02 | 0.26% | 0.22%0.04 |
| Product Variants | 0.15% | 0.14%0.01 | 0.19%0.05 | 0.19% | 0.20%0.01 | 0.17%0.03 |
| Custom Products | 0.14% | 0.13%0.01 | 0.17%0.04 | 0.18%0.01 | 0.18% | 0.16%0.02 |
| Email Alerts | — | 0.41% | 0.74%0.33 | 0.10%0.64 | 0.12%0.02 | 0.10%0.02 |
| Selling Products | 0.05% | 0.04%0.01 | 0.06%0.02 | 0.06% | 0.06% | 0.05%0.01 |
Key Insights:
Back in stock Restock Preorder captures the largest share of installs in Stock alerts — 0.3% of the group's tracked install base, followed by 0.2% in Product variants and 0.2% in Custom products. Sort the table by Share to see the full ordered list.
Back in stock Restock Preorder is contracting in more groups than it's expanding. Email alerts saw the sharpest dip this month — switch to "Market Share Changes" to see the full distribution and check whether the contractions cluster around a shared theme.
Market share is estimated from each app's review velocity within a group, used as a proxy for install share. For category and collection groups, it's a straight share-of-reviews calculation; for keyword groups, ranking position is weighted (rank #1 ≈ 40× the weight of rank #22, with apps beyond #22 excluded) since search traffic concentrates heavily at the top. The Country filter on the table re-computes share using only that country's reviews.
Share figures are recomputed weekly from the latest review data. Back in stock Restock Preorder is currently losing share in more groups than it's gaining — the trend chart's date range filter lets you check whether the slide started recently or has been ongoing.
Rankings and trends across every Shopify app, category, and keyword.