Domain Shopify Apps – Analytics & Insights

Affiliate Marketing ReferrLy holds the top spot for domain with 22.4% market share, but the gap to challengers is closing, -20.8pp ahead of Klaviyo: Email Marketing & SMS (43.3%). BixGrow Affiliate Marketing sits at #3 with 4.6% share, rounding out the top tier. Together, the top 3 apps absorb 70.3% of all domain installs — a highly concentrated landscape with limited room for new entrants. Affiliate Marketing ReferrLy is the standout mover this month, climbing 3 positions — a momentum signal worth tracking. Worth noting: the top-ranked app and the highest-share app aren't the same here — App Store rank and our market share metric (computed from review counts and other factors) move on independent dynamics, so cross-checking both views matters in this category.

Affiliate Marketing ReferrLy (22.4%) and Klaviyo: Email Marketing & SMS (43.3%) sit close at the top of domain apps, and Affiliate Marketing ReferrLy climbed 3 positions this month. Current rank is a thin signal in this kind of mover-heavy category — recent climbers often have stronger 6-month trajectory than today's leader.

Affiliate Marketing ReferrLy climbed from #3 (Sep 2025) to #1 (Sep 2026) — a 2-position gain among domain apps over the charted window. Across the top 5 plotted domain apps, 4 improved their ranking while 1 declined — the category is moving upward overall. Affiliate Marketing ReferrLy's share expanded +17.0pp from 5.5% (Sep 2025) to 22.4% (Sep 2026) — a sustained widening of the gap against other domain apps over this window.

A 2-position move for the leader over the charted domain window is large enough to reflect real merchant adoption shifts, not just App Store noise — Affiliate Marketing ReferrLy's climb as of Sep 2026 is the strongest trajectory signal in this chart.

United States dominates demand for domain apps with 39.4% of all tracked installs — a single market that effectively defines the category's product priorities. United Kingdom follows at 9.0%, with Australia at 6.0%. Together, the top 3 markets account for 54.3% of domain app installs worldwide. Germany (5.4%) and Canada (4.3%) round out the top 5.

With 39.4% of domain 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 United Kingdom (9.0%) and other regions sometimes find better fit in apps that over-index outside United States.

BixGrow Affiliate Marketing reached 1,000 reviews in 46 months since launch — the fastest ramp among the top 5 domain apps tracked here. Simprosys Google Shopping Feed in 47 months, UpPromote Affiliate Marketing in 52 months, Affiliate Marketing ReferrLy in 64 months, and Klaviyo: Email Marketing & SMS took 114 months to cross the same milestone, a 68-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 1,041 (Affiliate Marketing ReferrLy) to 4,391 (Simprosys Google Shopping Feed) — a 4.2× difference, showing how far ahead the leader has continued to build past the milestone.

The 68-month gap between BixGrow Affiliate Marketing's and Klaviyo: Email Marketing & SMS's time-to-1,000 highlights how unevenly product-market fit landed across this domain 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.