Availability Date Shopify Apps – Market Share Breakdown
(Updated October 2026) See which availability date Shopify apps dominate installs and how their share has shifted over time. This keyword page shows the full market share table, monthly share trends for the leaders, and a country-level breakdown so you can compare global vs regional dominance.
Availability Date Shopify Apps — Full Market Share Table
All tracked availability date Shopify apps ranked by current install share, with change vs 30 days ago and Leader / Climbing / Declining / Stable status — filterable by country and date range.
| # | App | Market Share | Change | Status |
|---|---|---|---|---|
| 1 |  REZ Preorder, Back In Stock | 57.90% | 5.02 | Climbing |
| 2 |  Notify Me! Back in Stock Alert | 22.52% | 1.23 | Climbing |
| 3 |  Preorder, Back In Stock ‑ STOQ | 10.29% | 8.24 | Declining |
| 4 |  Preorder Now Presale Timesact | 5.14% | 2.96 | Climbing |
| 5 |  PreOrder Globo | Back in Stock | 2.25% | 0.83 | Declining |
| 6 |  Essent Preorder Back in Stock | 1.44% | 0.07 | Declining |
| 7 |  Dibs – Preorders & Backorders | 0.20% | 0.08 | Climbing |
| 8 |  Preorder, Back in stock Duck | 0.15% | 0.12 | Declining |
| 9 |  Bat Preorders | Preorder Now | 0.04% | 0.02 | Declining |
| 10 |  Vicify Preorder, Back in Stock | 0.02% | 0.00 | Declining |
Showing 1-10 out of 23
Key Insights:
- REZ Preorder, Back In Stock holds 57.9% share of availability date app installs — 35.4pp ahead of Notify Me! Back in Stock Alert (22.5%).
- Top 3 apps (REZ Preorder, Back In Stock, Notify Me! Back in Stock Alert, Preorder, Back In Stock ‑ STOQ) account for 90.7% of all availability date install share — a concentrated market.
- REZ Preorder, Back In Stock is gaining share fastest this month (+5.02pp) — the largest single gainer among the top availability date apps by share.
- Preorder, Back In Stock ‑ STOQ is losing share fastest (-8.24pp) — could indicate a churning user base or a stronger challenger gaining ground.
Availability Date Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 availability date Shopify apps over the past year — see who's gaining or losing install share month by month.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Preorder, Back In Stock ‑ STOQ | 52.0% | 18.5%33.53 | 10.2%8.3 | 10.7%0.53 | 53.2%42.5 | 53.0%0.2 |
| Notify Me! Back in Stock Alert | 12.6% | 21.3%8.73 | 22.7%1.35 | 46.2%23.53 | 27.2%18.98 | 27.4%0.19 |
| REZ Preorder, Back In Stock | 26.8% | 53.0%26.19 | 57.8%4.88 | 33.0%24.81 | 8.5%24.51 | 8.5%0.02 |
| Preorder Now Presale Timesact | 2.2% | 2.2% | 5.2%2.98 | 5.3%0.16 | 5.5%0.14 | 5.4%0.05 |
| PreOrder Globo | Back in Stock | 1.2% | 3.0%1.81 | 2.3%0.77 | 2.6%0.38 | 3.5%0.85 | 3.5%0.05 |
Key Insights:
- Preorder, Back In Stock ‑ STOQ's share expanded from 52.0% → 53.0% over the charted period.
- Of the top 5 tracked availability date apps, 4 grew share and 1 lost share — leader is widening the gap.
Top Availability Date Shopify Apps by Country
Per-country market share rankings for availability date Shopify apps across 5 markets — see which apps lead in each country and where regional leaders diverge from the global leader.
| # | 🌎 Worldwide |  United States |  India |  China |  United Kingdom |
|---|---|---|---|---|---|
| 1 | | | | | |
| 2 | | | | | |
| 3 | | | | | |
| 4 | | | |  | |
| 5 | | | | | |
Key Insights:
- REZ Preorder, Back In Stock leads availability date apps in all 4 tracked markets — United States, India, China, United Kingdom.
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Top 5 Apps in Availability Date
- Preorder, Back In Stock ‑ STOQ — Leads availability date apps with 53.0% install share, rated 5.0★ — gaining share this month.
- Notify Me! Back in Stock Alert — Holds 27.4% of availability date app install share, rated 4.9★ — losing share this month.
- Preorder Now Presale Timesact — Holds 5.4% of availability date app install share, rated 5.0★ — losing share this month.
- PreOrder Globo | Back in Stock — Holds 3.6% of availability date app install share, rated 4.9★ — gaining share this month.
- REZ Preorder, Back In Stock — Holds 8.5% of availability date app install share, rated 5.0★ — losing share this month.
Availability Date Shopify Apps — Frequently Asked Questions
1. Which availability date app has the highest market share on Shopify?
REZ Preorder, Back In Stock dominates the availability date category on Shopify with 57.9% of installs — 35.4pp ahead of Notify Me! Back in Stock Alert. This is a clear leader by share, so most merchants default to it unless they have a niche-fit reason to pick differently.
2. How is market share calculated for availability date Shopify apps?
For availability date (a keyword page), market share is rank-weighted — apps at position #1 carry roughly 40× the weight of apps at position #22, and apps beyond #22 are excluded. Each app's weighted score is divided by the total weighted score across the keyword to give the share %. This reflects Shopify search behaviour: most installs come from the top of the results.
3. Which availability date apps are gaining market share on Shopify?
REZ Preorder, Back In Stock is gaining availability date app market share fastest this month, up +5.02pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which availability date apps are losing market share on Shopify?
Preorder, Back In Stock ‑ STOQ has lost the most market share this month among availability date apps (-8.24pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most availability date Shopify app installs?
United States drives the largest share of availability date app installs at 37.0%, followed by Australia at 10.7% and United Kingdom at 10.0%. Use the country picker on the third card to compare market leaders by country.
6. How many availability date apps does ShopDigest track on Shopify?
ShopDigest tracks 96 availability date apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
