Suspicious Activity Shopify Apps – Analytics & Insights

Blocky Fraud Filter IP Blocker dominates suspicious activity with 60.5% market share — a clear category leader Shopify merchants gravitate to first, 50.2pp ahead of Chargeblast: Block Chargebacks (10.3%). Disputifier: Smart Chargebacks sits at #3 with 15.5% share, rounding out the top tier. Together, the top 3 apps absorb 86.2% of all suspicious activity installs — a highly concentrated landscape with limited room for new entrants. Chargeback Blacklist is the standout mover this month, climbing 3 positions — a momentum signal worth tracking.

Blocky Fraud Filter IP Blocker's 60.5% share looks dominant, but BM: Country blocker IP blocker slipped 4 positions this month and the rest of the top 5 has reshuffled. Suspicious Activity apps are settled at the top and contested below — for merchants whose needs aren't a perfect Blocky Fraud Filter IP Blocker fit, the #2–#5 apps often surface better niche options.

Blocky Fraud Filter IP Blocker held #1 steadily from May 2026 to Sep 2026 — an entrenched leader in suspicious activity that challengers haven't displaced. Across the top 5 plotted suspicious activity apps, 3 improved their ranking while 1 declined — the category is moving upward overall. Blocky Fraud Filter IP Blocker's share expanded +2.7pp from 57.8% (May 2026) to 60.5% (Sep 2026) — a sustained widening of the gap against other suspicious activity apps over this window.

4 of 5 plotted suspicious activity 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 suspicious activity apps with 57.7% of all tracked installs — a single market that effectively defines the category's product priorities. United Kingdom follows at 11.4%, with Canada at 5.0%. Together, the top 3 markets account for 74.0% of suspicious activity app installs worldwide. Australia (4.9%) and Netherlands (4.3%) round out the top 5. Netherlands is the fastest-growing market this month (+1.3pp), pointing to accelerating demand outside the established leaders.

With 57.7% of suspicious activity 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 (11.4%) and other regions sometimes find better fit in apps that over-index outside United States.

None of the top 5 suspicious activity apps tracked here have yet crossed 1,000 reviews. Chargeflow Prevent Chargebacks leads the set on current cumulative reviews with 368 — closest to the milestone, at roughly 37% of the way there.

With no app in this suspicious activity set having crossed 1,000 reviews, the category is still in early adoption. Chargeflow Prevent Chargebacks is the closest to breaking out at 368 cumulative reviews — worth tracking its per-month review velocity to see whether it's on pace to cross the milestone first.