Cart Block Shopify Apps — Full Market Share Table
All tracked cart block 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 |  Cart Block: checkout validator | 27.97% | 13.51 | Climbing |
| 2 |  Essent Cart Drawer Cart Upsell | 25.84% | 4.97 | Declining |
| 3 |  Cart Lock:Block Checkout Rules | 23.93% | 5.37 | Climbing |
| 4 |  Shopify Checkout Blocks | 8.86% | 9.46 | Declining |
| 5 |  Timologio: myDATA Invoices | 4.35% | 4.11 | Climbing |
| 6 |  Nuflorist: Florist Delivery | 2.49% | 0.04 | Declining |
| 7 |  AOV.ai Cart Drawer Cart Upsell | 1.48% | 0.31 | Declining |
| 8 |  G: Theme Sections & Blocks | 1.36% | 0.09 | Climbing |
| 9 |  Chargeblast: Block Chargebacks | 0.75% | 0.26 | Climbing |
| 10 |  Rapid Cart Drawer Cart Upsell | 0.59% | 0.13 | Climbing |
Showing 1-10 out of 27
Key Insights:
- Cart Block: checkout validator holds 28.0% share of cart block app installs — 2.1pp ahead of Essent Cart Drawer Cart Upsell (25.8%).
- Top 3 apps (Cart Block: checkout validator, Essent Cart Drawer Cart Upsell, Cart Lock:Block Checkout Rules) account for 77.7% of all cart block install share — a competitive market.
- Cart Block: checkout validator is gaining share fastest this month (+13.51pp) — the largest single gainer among the top cart block apps by share.
- Shopify Checkout Blocks is losing share fastest (-9.46pp) — could indicate a churning user base or a stronger challenger gaining ground.
Cart Block Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 cart block 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 |
|---|---|---|---|---|---|---|
| Cart Block: checkout validator | — | 8.4% | 5.6%2.79 | 12.5%6.84 | 21.7%9.20 | 28.0%6.30 |
| Essent Cart Drawer Cart Upsell | — | 31.4% | 45.5%14.10 | 37.5%8.06 | 35.8%1.72 | 25.8%9.92 |
| Cart Lock:Block Checkout Rules | — | 19.3% | 12.4%6.91 | 17.1%4.76 | 19.4%2.22 | 23.9%4.56 |
| Shopify Checkout Blocks | — | 16.7% | 12.2%4.48 | 14.6%2.33 | 5.0%9.54 | 8.9%3.85 |
| Timologio: myDATA Invoices | — | — | — | — | 1.2% | 4.3%3.13 |
Key Insights:
- Cart Block: checkout validator's share expanded from 8.4% → 28.0% over the charted period.
- Of the top 5 tracked cart block apps, 3 grew share and 2 lost share — leader is widening the gap.
Top Cart Block Shopify Apps by Country
Per-country market share rankings for cart block 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 | Cart Block: checkout validator | Cart Block: checkout validator | Essent Cart Drawer Cart Upsell | Essent Cart Drawer Cart Upsell | Cart Lock:Block Checkout Rules |
| 2 | Essent Cart Drawer Cart Upsell | Cart Lock:Block Checkout Rules | G: Theme Sections & Blocks | G: Theme Sections & Blocks | Essent Cart Drawer Cart Upsell |
| 3 | Cart Lock:Block Checkout Rules | Essent Cart Drawer Cart Upsell | AOV.ai Cart Drawer Cart Upsell | Cart Block: checkout validator | Shopify Checkout Blocks |
| 4 | Shopify Checkout Blocks | Shopify Checkout Blocks |  iCart Cart Drawer Cart Upsell | Cart Lock:Block Checkout Rules | AOV.ai Cart Drawer Cart Upsell |
| 5 | Timologio: myDATA Invoices | Nuflorist: Florist Delivery |  DS Address Validation / Block | Timologio: myDATA Invoices | G: Theme Sections & Blocks |
Key Insights:
- Essent Cart Drawer Cart Upsell leads cart block apps in 2 of 4 tracked markets (India, China).
- Cart Block: checkout validator leads worldwide, but 3 of 4 tracked markets crown a different leader — Essent Cart Drawer Cart Upsell in India, Essent Cart Drawer Cart Upsell in China, and others.
Top 5 Apps in Cart Block
- Cart Block: checkout validator — Leads cart block apps with 28.0% install share, rated 4.6★ — gaining share this month.
- Cart Lock:Block Checkout Rules — Holds 23.9% of cart block app install share, rated 4.8★ — gaining share this month.
- Timologio: myDATA Invoices — Holds 4.4% of cart block app install share, rated 5.0★ — gaining share this month.
- Nuflorist: Florist Delivery — Holds 2.5% of cart block app install share, rated 5.0★.
- Flash Cart‑ Drawer Cross‑sells — Holds 0.5% of cart block app install share, rated 4.8★ — gaining share this month.
Cart Block Shopify Apps — Frequently Asked Questions
1. Which cart block app has the highest market share on Shopify?
Cart Block: checkout validator currently holds the highest market share for cart block apps at 28.0%, but the category is competitive — Essent Cart Drawer Cart Upsell is close behind at 25.8%. The right choice depends on your specific store needs.
2. How is market share calculated for cart block Shopify apps?
For cart block (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 cart block apps are gaining market share on Shopify?
Cart Block: checkout validator is gaining cart block app market share fastest this month, up +13.51pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which cart block apps are losing market share on Shopify?
Shopify Checkout Blocks has lost the most market share this month among cart block apps (-9.46pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most cart block Shopify app installs?
United States drives the largest share of cart block app installs at 38.3%, followed by Australia at 7.2% and United Kingdom at 6.3%. Use the country picker on the third card to compare market leaders by country.
6. How many cart block apps does ShopDigest track on Shopify?
ShopDigest tracks 96 cart block apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
