Post-Purchase Upsells Shopify Apps – Analytics & Insights

Kaching Post Purchase Upsell dominates post-purchase upsells with 62.3% market share — a clear category leader Shopify merchants gravitate to first, 53.0pp ahead of AOV.ai Post Purchase Upsell (9.3%). Post Purchase Upsell—ReSell sits at #3 with 2.9% share, rounding out the top tier. Together, the top 3 apps absorb 74.6% of all post-purchase upsells installs — a highly concentrated landscape with limited room for new entrants. One Click Upsell ‑ Zipify OCU is the standout mover this month, climbing 7 positions — a momentum signal worth tracking.

Kaching Post Purchase Upsell's 62.3% share looks dominant, but Adoric Post Purchase Upsell slipped 2 positions this month and the rest of the top 5 has reshuffled. Post-Purchase Upsells apps are settled at the top and contested below — for merchants whose needs aren't a perfect Kaching Post Purchase Upsell fit, the #2–#5 apps often surface better niche options.

Kaching Post Purchase Upsell held #1 steadily from May 2026 to Oct 2026 — an entrenched leader in post-purchase upsells that challengers haven't displaced. Across the top 5 plotted post-purchase upsells apps, 4 improved their ranking while 0 declined — the category is moving upward overall. Kaching Post Purchase Upsell's share expanded +25.0pp from 37.4% (May 2026) to 62.3% (Oct 2026) — a sustained widening of the gap against other post-purchase upsells apps over this window.

4 of 5 plotted post-purchase upsells 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 post-purchase upsells apps with 28.8% of all tracked installs — a single market that effectively defines the category's product priorities. Germany follows at 7.4%, with Australia at 6.9%. Together, the top 3 markets account for 43.1% of post-purchase upsells app installs worldwide. United Kingdom (6.6%) and Spain (5.0%) round out the top 5. Australia is the fastest-growing market this month (+1.2pp), pointing to accelerating demand outside the established leaders.

With 28.8% of post-purchase upsells 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 Germany (7.4%) and other regions sometimes find better fit in apps that over-index outside United States.

ReConvert post purchase upsell is the only app in this set to have crossed 1,000 reviews, reaching the milestone in 52 months since launch. The remaining 3 post-purchase upsells apps tracked here are still building toward 1,000 — current cumulative review counts give the clearest picture of where each one stands today.

3 apps on this chart haven't yet crossed 1,000 reviews: Kaching Post Purchase Upsell at 366, AOV.ai Post Purchase Upsell at 163, Post Purchase Upsell—ReSell at 68 cumulative reviews. Kaching Post Purchase Upsell is closest to the milestone — its current count puts it roughly 37% of the way to 1,000.

ReConvert post purchase upsell is the only app in this set to have crossed 1,000 reviews so far — a useful signal for merchants that one app has already proved sustained adoption while the others remain in the "promising but unproven" tier of the post-purchase upsells category.