Checkout Extensions Shopify Apps — Full Market Share Table
All tracked checkout extensions 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 |  Blockify Checkout Customizer | 91.95% | 11.82 | Climbing |
| 2 |  CWILL Loyalty & Referrals | 5.79% | 7.64 | Declining |
| 3 |  Retenzy Loyalty Program Reward | 1.20% | 0.79 | Climbing |
| 4 |  WB: Frequently Bought Together | 0.30% | 3.08 | Declining |
| 5 |  ShipGuard: Shipping Protection | 0.19% | 0.02 | Climbing |
| 6 |  Hoppy GDPR Compliance | 0.17% | 0.35 | Declining |
| 7 |  Stack Discounts Pro | 0.11% | 0.08 | Climbing |
| 8 |  PrettyDamnQuick (PDQ) | 0.09% | 0.02 | Climbing |
| 9 |  Analyzify (GA4 & Ads Tracking) | 0.08% | 0.06 | Declining |
| 10 |  MinCart ‑ Order limits | 0.05% | 0.00 | Climbing |
Showing 1-10 out of 23
Key Insights:
- Blockify Checkout Customizer holds 91.9% share of checkout extensions app installs — 86.2pp ahead of CWILL Loyalty & Referrals (5.8%).
- Top 3 apps (Blockify Checkout Customizer, CWILL Loyalty & Referrals, Retenzy Loyalty Program Reward) account for 98.9% of all checkout extensions install share — a concentrated market.
- Blockify Checkout Customizer is gaining share fastest this month (+11.82pp) — the largest single gainer among the top checkout extensions apps by share.
- CWILL Loyalty & Referrals is losing share fastest (-7.64pp) — could indicate a churning user base or a stronger challenger gaining ground.
Checkout Extensions Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 checkout extensions 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 |
|---|---|---|---|---|---|---|
| Blockify Checkout Customizer | 73.8%4.12 | 69.4%4.43 | 58.8%10.60 | 54.4%4.35 | 79.7%25.25 | 92.0%12.28 |
| CWILL Loyalty & Referrals | 12.0%5.15 | 9.6%2.38 | 7.6%1.98 | 8.1%0.51 | 13.8%5.62 | 5.8%7.96 |
| Retenzy Loyalty Program Reward | — | — | — | — | 0.4% | 1.2%0.81 |
| WB: Frequently Bought Together | 2.1% | 4.4%2.29 | 2.8%1.57 | 3.9%1.08 | 3.5%0.42 | 0.3%3.19 |
| ShipGuard: Shipping Protection | 0.1%0.04 | 0.1%0.03 | 0.1%0.05 | 0.0%0.02 | 0.2%0.12 | 0.2%0.03 |
Key Insights:
- Blockify Checkout Customizer's share expanded from 1.8% → 92.0% over the charted period.
- Of the top 5 tracked checkout extensions apps, 2 grew share and 3 lost share — leader is widening the gap.
Top Checkout Extensions Shopify Apps by Country
Per-country market share rankings for checkout extensions 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 | Blockify Checkout Customizer | Blockify Checkout Customizer | Blockify Checkout Customizer | CWILL Loyalty & Referrals | Blockify Checkout Customizer |
| 2 | CWILL Loyalty & Referrals | CWILL Loyalty & Referrals | Retenzy Loyalty Program Reward | Hoppy GDPR Compliance | CWILL Loyalty & Referrals |
| 3 | Retenzy Loyalty Program Reward | ShipGuard: Shipping Protection | CWILL Loyalty & Referrals | Blockify Checkout Customizer | WB: Frequently Bought Together |
| 4 | WB: Frequently Bought Together | PrettyDamnQuick (PDQ) | WB: Frequently Bought Together |  Checkout Extensions Pro | Analyzify (GA4 & Ads Tracking) |
| 5 | ShipGuard: Shipping Protection | WB: Frequently Bought Together | Hoppy GDPR Compliance |  Pure Checkout Extensibility | Hoppy GDPR Compliance |
Key Insights:
- Blockify Checkout Customizer leads checkout extensions apps in 3 of 4 tracked markets (United States, India, United Kingdom).
- Blockify Checkout Customizer leads worldwide, but China bucks the trend — CWILL Loyalty & Referrals leads there.
Top 5 Apps in Checkout Extensions
- Blockify Checkout Customizer — Leads checkout extensions apps with 91.9% install share, rated 4.9★ — gaining share this month.
- Checkout Extensions Pro — Holds 0 of checkout extensions app install share, rated 4.4★.
- Pure Checkout Extensibility — Holds 0 of checkout extensions app install share.
- CWILL Loyalty & Referrals — Holds 5.8% of checkout extensions app install share, rated 4.9★ — losing share this month.
- ShipGuard: Shipping Protection — Holds 0.2% of checkout extensions app install share, rated 4.3★.
Checkout Extensions Shopify Apps — Frequently Asked Questions
1. Which checkout extensions app has the highest market share on Shopify?
Blockify Checkout Customizer dominates the checkout extensions category on Shopify with 91.9% of installs — 86.2pp ahead of CWILL Loyalty & Referrals. 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 checkout extensions Shopify apps?
For checkout extensions (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 checkout extensions apps are gaining market share on Shopify?
Blockify Checkout Customizer is gaining checkout extensions app market share fastest this month, up +11.82pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which checkout extensions apps are losing market share on Shopify?
CWILL Loyalty & Referrals has lost the most market share this month among checkout extensions apps (-7.64pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most checkout extensions Shopify app installs?
United States drives the largest share of checkout extensions app installs at 42.8%, followed by United Kingdom at 12.2% and Australia at 7.6%. Use the country picker on the third card to compare market leaders by country.
6. How many checkout extensions apps does ShopDigest track on Shopify?
ShopDigest tracks 96 checkout extensions apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
