Custom Upsell Shopify Apps – Analytics & Insights
(Updated September 2026) Track the top custom upsell Shopify apps with live rankings, market share, geography, and review data — updated weekly from the Shopify App Store. This keyword page shows where each app stands today and how its position has shifted over time.
Top Custom Upsell Shopify Apps Ranked Today
Top 10 custom upsell Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market Share | Reviews |
|---|---|---|---|
 Upsell & Cross‑Sell SmartFlow | 1 | 36.97% 7.07 | 28 6 |
 Captain Shipping Protection | 2 | 27.11% 1.21 | 306 5 |
 Shipping Protection —Shipcheck | 3 3 | 18.33% 14.59 | 97 7 |
 Sam Shipping Protection Upsell | 4 1 | 8.32% 5.63 | 104 5 |
 Product Recommendations • ES | 5 1 | 3.23% 2.08 | 135 2 |
 Insureful Shipping Protection | 6 1 | 2.20% 0.70 | 76 3 |
 Navidium Shipping Protection | 7 2 | 2.54% 12.90 | 394 5 |
 ShipGuard: Shipping Protection | 8 | 0.05% 0.00 | 20 0 |
 Easy Shipping Protection | 9 | 0.00% | 0 0 |
 Koala Free Gift BOGO Upsell | 10 1 | 0.71% 0.48 | 384 5 |
Key Insights:
- Upsell & Cross‑Sell SmartFlow commands 37.0% market share, 9.9pp ahead of Captain Shipping Protection — a competitive custom upsell category.
- In the last 30 days, 2 apps climbed and 4 dropped in ranking among the top 10 tracked custom upsell apps.
- Shipping Protection —Shipcheck added the most new reviews this month (+7) — strong adoption momentum.
Live Ranking and Market Share Trends for Custom Upsell Shopify Apps
Monthly ranking and market share trends for the top 5 custom upsell Shopify apps over the past year — see how each app's App Store position and market share have shifted month by month.
Charts Data
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| Upsell & Cross‑Sell SmartFlow | — | #7 | #25 | #31 | #12 | #1 |
| Captain Shipping Protection | — | #5 | #5 | #61 | #71 | #25 |
| Shipping Protection —Shipcheck | — | #3 | #63 | #24 | #64 | #33 |
| Sam Shipping Protection Upsell | — | #4 | #31 | #52 | #23 | #42 |
| Product Recommendations • ES | — | #11 | #11 | #83 | #35 | #52 |
Key Insights:
- Upsell & Cross‑Sell SmartFlow's ranking improved from #7 to #1 over the charted period.
- 3 of 5 top custom upsell apps improved their position; 0 declined — a mixed picture.
- Upsell & Cross‑Sell SmartFlow's market share is 37.0% — gaining +36.8pp since the start of the chart.
Custom Upsell Shopify Apps — Market Share by Country
Top 5 countries driving installs for custom upsell Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market Share | Change |
|---|---|---|
 United States | 69.6% | 0.15 |
 Australia | 6.0% | 1.67 |
 Netherlands | 5.2% | 0.54 |
 Hong Kong | 2.8% | 2.74 |
 Spain | 2.2% | 0.98 |
Key Insights:
- United States accounts for 69.6% of custom upsell app installs — the single largest market.
- Top 3 markets (United States, Australia, Netherlands) collectively cover 80.7% of all tracked custom upsell installs — highly concentrated demand.
- Hong Kong is the fastest-growing market this month (+2.7pp) — emerging demand worth watching.
Fastest to 1,000 Reviews — Custom Upsell Shopify Apps
Race-style view of how the top 5 custom upsell Shopify apps reached 1,000 reviews — months since launch on the X-axis, cumulative review count on the Y-axis.
Charts Data
| App | Months to Reach 1,000 Reviews | Current Review Count |
|---|---|---|
| Captain Shipping Protection | Not yet reached | 280 |
| Product Recommendations • ES | Not yet reached | 130 |
| Sam Shipping Protection Upsell | Not yet reached | 91 |
| Shipping Protection —Shipcheck | Not yet reached | 81 |
| Upsell & Cross‑Sell SmartFlow | Not yet reached | 15 |
Key Insights:
- 5 of the top 5 custom upsell apps haven't yet crossed 1,000 reviews — Captain Shipping Protection is closest at 280 cumulative.
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Top Custom Upsell Shopify Apps Ranked by Position
Upsell & Cross‑Sell SmartFlow holds the top spot for custom upsell with 37.0% market share, but the gap to challengers is closing, 9.9pp ahead of Captain Shipping Protection (27.1%). Shipping Protection —Shipcheck sits at #3 with 18.3% share, rounding out the top tier. Together, the top 3 apps absorb 82.4% of all custom upsell installs — a highly concentrated landscape with limited room for new entrants. Shipping Protection —Shipcheck is the standout mover this month, climbing 3 positions — a momentum signal worth tracking.
Upsell & Cross‑Sell SmartFlow (37.0%) and Captain Shipping Protection (27.1%) sit close at the top of custom upsell apps, and Shipping Protection —Shipcheck 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.
Live Ranking and Market Share Trends Across Custom Upsell Shopify Apps
Upsell & Cross‑Sell SmartFlow climbed from #7 (May 2026) to #1 (Sep 2026) — a 6-position gain among custom upsell apps over the charted window. Across the top 5 plotted custom upsell apps, 3 improved their ranking while 0 declined — the category is moving upward overall. Upsell & Cross‑Sell SmartFlow's share expanded +36.8pp from 0.2% (May 2026) to 37.0% (Sep 2026) — a sustained widening of the gap against other custom upsell apps over this window.
A 6-position move for the leader over the charted custom upsell window is large enough to reflect real merchant adoption shifts, not just App Store noise — Upsell & Cross‑Sell SmartFlow's climb as of Sep 2026 is the strongest trajectory signal in this chart.
Review Growth Velocity in Custom Upsell — Which Apps Grew Fastest
None of the top 5 custom upsell apps tracked here have yet crossed 1,000 reviews. Captain Shipping Protection leads the set on current cumulative reviews with 280 — closest to the milestone, at roughly 28% of the way there.
With no app in this custom upsell set having crossed 1,000 reviews, the category is still in early adoption. Captain Shipping Protection is the closest to breaking out at 280 cumulative reviews — worth tracking its per-month review velocity to see whether it's on pace to cross the milestone first.
Top 5 Apps in Custom Upsell
- Upsell & Cross‑Sell SmartFlow — Tops the custom upsell rankings with 37.0% market share and 5.0★.
- Captain Shipping Protection — Ranks #2 for custom upsell with 27.1% market share and 4.9★.
- Shipping Protection —Shipcheck — Climbed 3 positions this month to rank #3 — 18.3% share, 5.0★.
- Sam Shipping Protection Upsell — Currently ranked #4 with 8.3% market share and 4.9★.
- Product Recommendations • ES — Currently ranked #5 with 3.2% market share and 5.0★.
Custom Upsell Shopify Apps — Frequently Asked Questions
1. What is the best custom upsell app on Shopify?
Upsell & Cross‑Sell SmartFlow ranks #1 for custom upsell apps with 37.0% market share, but the category is competitive — Captain Shipping Protection is close behind at 27.1%, so the best fit depends on your store's specific needs.
2. Which custom upsell app has the highest market share on Shopify?
Upsell & Cross‑Sell SmartFlow holds the highest market share among custom upsell apps at 37.0% (+7.07pp vs 30 days ago). Market share here is estimated from each app's recent review velocity, with rank-weighted adjustment because positions in keyword search drive most installs.
3. How many custom upsell apps are tracked on Shopify?
ShopDigest tracks 96 custom upsell apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which custom upsell app is growing the fastest on Shopify?
Shipping Protection —Shipcheck has shown the strongest ranking momentum, climbing 3 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are custom upsell apps most popular on Shopify?
United States has the highest concentration of custom upsell app installs at 69.6%, followed by Australia at 6.0%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for custom upsell on Shopify keyword pages?
For keyword pages, market share is rank-weighted — apps at position #1 carry roughly 40× the weight of apps at position #22, and apps beyond #22 are excluded. This reflects the reality that Shopify keyword search traffic concentrates heavily at the top of results.
