Highlight Differences Shopify Apps – Analytics & Insights

Jotly Size Chart & Size Guide dominates highlight differences with 54.0% market share — a clear category leader Shopify merchants gravitate to first, 54.0pp ahead of GenLook: AI Virtual Try On (0). Smart Size Chart & Size Guide sits at #3 with 31.2% share, rounding out the top tier. Together, the top 3 apps absorb 85.2% of all highlight differences installs — a highly concentrated landscape with limited room for new entrants. BF Size Chart & Size Guide is the standout mover this month, climbing 2 positions — a momentum signal worth tracking.

Jotly Size Chart & Size Guide's 54.0% lead has held stably this month, with the top 3 apps capturing 85.2% of all highlight differences installs. GenLook: AI Virtual Try On (0) is the natural alternative when store fit or pricing rules out Jotly Size Chart & Size Guide.

Jotly Size Chart & Size Guide climbed from #2 (May 2026) to #1 (Oct 2026) — a 1-position gain among highlight differences apps over the charted window. Across the top 5 plotted highlight differences apps, 3 improved their ranking while 1 declined — the category is moving upward overall. Jotly Size Chart & Size Guide's share contracted -28.5pp from 82.5% (May 2026) to 54.0% (Oct 2026) — a meaningful narrowing of the leader's gap against other highlight differences apps over this window.

Stable rankings across the top 5 plotted highlight differences apps mean merchants have largely settled on their preferences — challengers below the top 5 face an uphill path to break in.

United States is the largest single market for highlight differences apps at 31.6% — but no country dominates, meaning highlight differences apps serve a globally distributed merchant base. United Kingdom follows at 19.4%, with Australia at 8.7%. Together, the top 3 markets account for 59.7% of highlight differences app installs worldwide. Netherlands (6.8%) and India (6.6%) round out the top 5. Australia is the fastest-growing market this month (+1.3pp), pointing to accelerating demand outside the established leaders.

With United States's 31.6% as the largest single market and the rest spread across many countries, the leading highlight differences apps tend to be region-agnostic by design — geography matters less for app choice here than features, pricing, and support quality.

None of the top 4 highlight differences apps tracked here have yet crossed 1,000 reviews. Smart Size Chart & Size Guide leads the set on current cumulative reviews with 143 — closest to the milestone, at roughly 14% of the way there.

With no app in this highlight differences set having crossed 1,000 reviews, the category is still in early adoption. Smart Size Chart & Size Guide is the closest to breaking out at 143 cumulative reviews — worth tracking its per-month review velocity to see whether it's on pace to cross the milestone first.