Availability Date Shopify Apps – Analytics & Insights

Preorder, Back In Stock ‑ STOQ dominates availability date with 53.0% market share — a clear category leader Shopify merchants gravitate to first, 25.6pp ahead of Notify Me! Back in Stock Alert (27.4%). Preorder Now Presale Timesact sits at #3 with 5.4% share, rounding out the top tier. Together, the top 3 apps absorb 85.8% of all availability date installs — a highly concentrated landscape with limited room for new entrants. Back in Stock, Notify Me: Stok is the standout mover this month, climbing 8 positions — a momentum signal worth tracking.

Preorder, Back In Stock ‑ STOQ's 53.0% share looks dominant, but REZ Preorder, Back In Stock slipped 3 positions this month and the rest of the top 5 has reshuffled. Availability Date apps are settled at the top and contested below — for merchants whose needs aren't a perfect Preorder, Back In Stock ‑ STOQ fit, the #2–#5 apps often surface better niche options.

Preorder, Back In Stock ‑ STOQ held #1 steadily from May 2026 to Sep 2026 — an entrenched leader in availability date that challengers haven't displaced. Across the top 5 plotted availability date apps, 3 improved their ranking while 1 declined — the category is moving upward overall. Preorder, Back In Stock ‑ STOQ's share expanded +1.0pp from 52.0% (May 2026) to 53.0% (Oct 2026) — a sustained widening of the gap against other availability date apps over this window.

4 of 5 plotted availability date apps moved positions in this window — recent trajectory beats current rank as a signal when a category is reshuffling this actively.

United States dominates demand for availability date apps with 37.0% of all tracked installs — a single market that effectively defines the category's product priorities. Australia follows at 10.7%, with United Kingdom at 10.0%. Together, the top 3 markets account for 57.7% of availability date app installs worldwide. Canada (5.2%) and Germany (3.5%) round out the top 5. Australia is the fastest-growing market this month (+2.0pp), pointing to accelerating demand outside the established leaders.

With 37.0% of availability date app installs concentrated in United States, the leading apps in this category typically prioritize United States-based merchants for localization, currency, and support hours — merchants in Australia (10.7%) and other regions sometimes find better fit in apps that over-index outside United States.

REZ Preorder, Back In Stock reached 1,000 reviews in 13 months since launch — the fastest ramp among the top 5 availability date apps tracked here. Preorder, Back In Stock ‑ STOQ in 38 months, Preorder Now Presale Timesact in 41 months, Notify Me! Back in Stock Alert in 46 months, and PreOrder Globo | Back in Stock took 76 months to cross the same milestone, a 63-month spread between the fastest and slowest in the set.

All 5 apps in this set have crossed 1,000 reviews, with current cumulative counts now ranging from 1,562 (REZ Preorder, Back In Stock) to 3,842 (Notify Me! Back in Stock Alert) — a 2.5× difference, showing how far ahead the leader has continued to build past the milestone.

The 63-month gap between REZ Preorder, Back In Stock's and PreOrder Globo | Back in Stock's time-to-1,000 highlights how unevenly product-market fit landed across this availability date set — the leader found its merchant audience early, while late-rampers took multiple years to reach the same review depth. For merchants comparing these apps today, slower-ramping apps may have closed the functionality gap but still operate on smaller review bases.