One-Click Add-Ons Shopify Apps – Market Share Breakdown
(Updated October 2026) See which one-click add-ons Shopify apps dominate installs and how their share has shifted over time. This keyword page shows the full market share table, monthly share trends for the leaders, and a country-level breakdown so you can compare global vs regional dominance.
One-Click Add-Ons Shopify Apps — Full Market Share Table
All tracked one-click add-ons Shopify apps ranked by current install share, with change vs 30 days ago and Leader / Climbing / Declining / Stable status — filterable by country and date range.
| # | App | Market Share | Change | Status |
|---|---|---|---|---|
| 1 |  Essential Upsell & Cross Sell | 36.65% | 1.79 | Climbing |
| 2 |  Kaching Bundles App & Upsells | 33.43% | 11.28 | Climbing |
| 3 |  Upsell & Cross Sell — Selleasy | 11.82% | 6.12 | Climbing |
| 4 |  SMART Checkout Rules & Upsells | 9.87% | 2.37 | Climbing |
| 5 |  Essent Cart Drawer Cart Upsell | 5.09% | 3.11 | Climbing |
| 6 |  Aftersell Post Purchase Upsell | 0.95% | 0.90 | Climbing |
| 7 |  EasySell COD Form & Upsells | 0.51% | 0.61 | Declining |
| 8 |  Releasit COD Form & Upsells | 0.35% | 0.09 | Climbing |
| 9 |  Bundlex Product Bundles Upsell | 0.30% | 0.30 | Climbing |
| 10 |  Simple Bundles & Kits | 0.24% | 0.17 | Climbing |
Showing 1-10 out of 23
Key Insights:
- Essential Upsell & Cross Sell holds 36.6% share of one-click add-ons app installs — 3.2pp ahead of Kaching Bundles App & Upsells (33.4%).
- Top 3 apps (Essential Upsell & Cross Sell, Kaching Bundles App & Upsells, Upsell & Cross Sell — Selleasy) account for 81.9% of all one-click add-ons install share — a concentrated market.
- Kaching Bundles App & Upsells is gaining share fastest this month (+11.28pp) — the largest single gainer among the top one-click add-ons apps by share.
- EasySell COD Form & Upsells is losing share fastest (-0.61pp) — could indicate a churning user base or a stronger challenger gaining ground.
One-Click Add-Ons Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 one-click add-ons Shopify apps over the past year — see who's gaining or losing install share month by month.
Charts Data
| App | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Kaching Bundles App & Upsells | 56.9% | 22.2%34.72 | 33.4%11.2 | 2.8%30.65 | 81.9%79.18 | 82.5%0.55 |
| Upsell & Cross Sell — Selleasy | 1.4% | 5.7%4.3 | 11.8%6.12 | 24.1%12.25 | 9.0%15.11 | 9.1%0.1 |
| EasySell COD Form & Upsells | 0.1% | 1.1%1 | 0.5%0.6 | 0.9%0.43 | 0.2%0.71 | 1.8%1.58 |
| Bundlex Product Bundles Upsell | — | — | 0.3% | 0.8%0.49 | 1.6%0.85 | 1.8%0.15 |
| Aftersell Post Purchase Upsell | 0.0% | 0.1%0.01 | 0.9%0.9 | 2.9%1.93 | 1.7%1.2 | 1.8%0.09 |
Key Insights:
- Kaching Bundles App & Upsells's share expanded from 56.9% → 82.5% over the charted period.
- Of the top 5 tracked one-click add-ons apps, 5 grew share and 0 lost share — leader is widening the gap.
Top One-Click Add-Ons Shopify Apps by Country
Per-country market share rankings for one-click add-ons Shopify apps across 5 markets — see which apps lead in each country and where regional leaders diverge from the global leader.
| # | 🌎 Worldwide |  United States |  India |  China |  United Kingdom |
|---|---|---|---|---|---|
| 1 | | | | | |
| 2 | | | |||
| 3 | | | | | |
| 4 | | | | | |
| 5 | | | | |
Key Insights:
- Essential Upsell & Cross Sell leads one-click add-ons apps in 3 of 4 tracked markets (United States, India, United Kingdom).
- Essential Upsell & Cross Sell leads worldwide, but China bucks the trend — SMART Checkout Rules & Upsells leads there.
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Top 5 Apps in One-Click Add-Ons
- Kaching Bundles App & Upsells — Leads one-click add-ons apps with 82.5% install share, rated 5.0★ — gaining share this month.
- Upsell & Cross Sell — Selleasy — Holds 9.1% of one-click add-ons app install share, rated 4.9★ — losing share this month.
- Bundlex Product Bundles Upsell — Holds 1.8% of one-click add-ons app install share, rated 5.0★ — losing share this month.
- Aftersell Post Purchase Upsell — Holds 1.8% of one-click add-ons app install share, rated 4.9★ — gaining share this month.
- EasySell COD Form & Upsells — Holds 1.8% of one-click add-ons app install share, rated 4.9★ — gaining share this month.
One-Click Add-Ons Shopify Apps — Frequently Asked Questions
1. Which one-click add-ons app has the highest market share on Shopify?
Essential Upsell & Cross Sell dominates the one-click add-ons category on Shopify with 36.6% of installs — 3.2pp ahead of Kaching Bundles App & Upsells. This is a clear leader by share, so most merchants default to it unless they have a niche-fit reason to pick differently.
2. How is market share calculated for one-click add-ons Shopify apps?
For one-click add-ons (a keyword page), 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. Each app's weighted score is divided by the total weighted score across the keyword to give the share %. This reflects Shopify search behaviour: most installs come from the top of the results.
3. Which one-click add-ons apps are gaining market share on Shopify?
Kaching Bundles App & Upsells is gaining one-click add-ons app market share fastest this month, up +11.28pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which one-click add-ons apps are losing market share on Shopify?
EasySell COD Form & Upsells has lost the most market share this month among one-click add-ons apps (-0.61pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most one-click add-ons Shopify app installs?
United States drives the largest share of one-click add-ons app installs at 29.9%, followed by United Kingdom at 7.4% and Australia at 7.0%. Use the country picker on the third card to compare market leaders by country.
6. How many one-click add-ons apps does ShopDigest track on Shopify?
ShopDigest tracks 96 one-click add-ons apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
