Apps tracked
Category leader
Blockify Checkout CustomizerTop region
Top Checkout Extensions Shopify Apps Ranked Today
Top 10 checkout extensions Shopify apps ranked by current App Store position, with market share and review counts. Updated weekly.
| App | Rank | Market share | Reviews |
|---|---|---|---|
| Blockify Checkout Customizer | 1– | 91.95%12.28 | 3158 |
 Checkout Extensions Pro | 2– | 0.00%– | 11– |
 Pure Checkout Extensibility | 34 | 0.00%– | 0– |
 CWILL Loyalty & Referrals | 41 | 5.79%7.96 | 811– |
 ShipGuard: Shipping Protection | 5– | 0.19%0.03 | 211 |
 Checkout Extensions Plus | 68 | 0.00%– | 2– |
 Retenzy Loyalty Program Reward | 71 | 1.20%0.80 | 407 |
 Stack Discounts Pro | 83 | 0.11%0.09 | 331 |
 WB: Frequently Bought Together | 95 | 0.30%3.19 | 1361 |
 Checkout Extensions | 104 | 0.00%– | 0– |
Key Insights:
- Blockify Checkout Customizer commands 91.9% market share, 91.9pp ahead of Checkout Extensions Pro — a concentrated checkout extensions category.
- In the last 30 days, 4 apps climbed and 3 dropped in ranking among the top 10 tracked checkout extensions apps.
- Blockify Checkout Customizer added the most new reviews this month (+8) — strong adoption momentum.
Live Ranking and Market Share Trends for Checkout Extensions Shopify Apps
Monthly ranking and market share trends for the top 5 checkout extensions 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 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 | Oct 2026 |
|---|---|---|---|---|---|---|
| Blockify Checkout Customizer | #1– | #1– | #1– | #1– | #1– | #1– |
| Checkout Extensions Pro | #31 | #21 | #4139 | #454 | #243 | #2– |
| Pure Checkout Extensibility | #188 | #171 | #143 | #311 | #74 | #34 |
| CWILL Loyalty & Referrals | #51 | #5– | #5– | #41 | #31 | #41 |
| ShipGuard: Shipping Protection | #108 | #82 | #91 | #72 | #52 | #5– |
Key Insights:
- Blockify Checkout Customizer's ranking improved from #85 to #1 over the charted period.
- 4 of 5 top checkout extensions apps improved their position; 1 declined — an actively reshuffling market.
- Blockify Checkout Customizer's market share is 92.0% — gaining +90.2pp since the start of the chart.
Checkout Extensions Shopify Apps — Market Share by Country
Top 5 countries driving installs for checkout extensions Shopify apps, with current market share and 30-day change versus the previous month.
| Country | Market share | Change |
|---|---|---|
 United States | 42.8% | 5.83 |
 United Kingdom | 12.2% | 0.79 |
 Australia | 7.6% | 0.96 |
 Canada | 6.8% | 1.45 |
 Germany | 4.1% | 0.39 |
Key Insights:
- United States accounts for 42.8% of checkout extensions app installs — the single largest market.
- Top 3 markets (United States, United Kingdom, Australia) collectively cover 62.5% of all tracked checkout extensions installs — highly concentrated demand.
Fastest to 1,000 Reviews — Checkout Extensions Shopify Apps
Race-style view of how the top 4 checkout extensions 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 |
|---|---|---|
| CWILL Loyalty & Referrals | Not yet reached | 808 |
| Blockify Checkout Customizer | Not yet reached | 310 |
| ShipGuard: Shipping Protection | Not yet reached | 21 |
| Checkout Extensions Pro | Not yet reached | 11 |
Key Insights:
- 4 of the top 4 checkout extensions apps haven't yet crossed 1,000 reviews — CWILL Loyalty & Referrals is closest at 808 cumulative.
Top Checkout Extensions Shopify Apps Ranked by Position
Blockify Checkout Customizer dominates checkout extensions with 91.9% market share — a clear category leader Shopify merchants gravitate to first, 91.9pp ahead of Checkout Extensions Pro (0). Pure Checkout Extensibility sits at #3 with 0 share, rounding out the top tier. Together, the top 3 apps absorb 91.9% of all checkout extensions installs — a highly concentrated landscape with limited room for new entrants. Checkout Extensions Plus is the standout mover this month, climbing 8 positions — a momentum signal worth tracking.
Blockify Checkout Customizer still holds 91.9% share of checkout extensions apps, but rankings have moved this month — Checkout Extensions Plus climbed 8 positions to #6, the strongest mover in the category. Sustained rank gains of this size usually indicate active product development, so the climbers are worth comparing on feature roadmap and support quality.
Live Ranking and Market Share Trends Across Checkout Extensions Shopify Apps
Blockify Checkout Customizer climbed from #85 (Oct 2025) to #1 (Oct 2026) — a 84-position gain among checkout extensions apps over the charted window. Across the top 5 plotted checkout extensions apps, 4 improved their ranking while 1 declined — the category is moving upward overall. Blockify Checkout Customizer's share expanded +90.2pp from 1.8% (Jan 2026) to 92.0% (Oct 2026) — a sustained widening of the gap against other checkout extensions apps over this window.
A 84-position move for the leader over the charted checkout extensions window is large enough to reflect real merchant adoption shifts, not just App Store noise — Blockify Checkout Customizer's climb as of Oct 2026 is the strongest trajectory signal in this chart.
Review Growth Velocity in Checkout Extensions — Which Apps Grew Fastest
None of the top 4 checkout extensions apps tracked here have yet crossed 1,000 reviews. CWILL Loyalty & Referrals leads the set on current cumulative reviews with 808 — closest to the milestone, at roughly 81% of the way there.
With no app in this checkout extensions set having crossed 1,000 reviews, the category is still in early adoption. CWILL Loyalty & Referrals is the closest to breaking out at 808 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 Checkout Extensions
- Blockify Checkout Customizer — Category leader for checkout extensions with 91.9% market share and 4.9★.
- Checkout Extensions Pro — Ranks #2 for checkout extensions with 0 market share and 4.4★.
- Pure Checkout Extensibility — Climbed 4 positions this month to rank #3 — 0 share, 0 reviews.
- CWILL Loyalty & Referrals — Currently ranked #4 with 5.8% market share and 4.9★.
- ShipGuard: Shipping Protection — Ranks #5 for checkout extensions with 0.2% market share and 4.3★.
Checkout Extensions Shopify Apps — Frequently Asked Questions
1. What is the best checkout extensions app on Shopify?
Blockify Checkout Customizer is the leading checkout extensions app on Shopify, holding 91.9% of category market share with 315 reviews — a clear default for most merchants.
2. Which checkout extensions app has the highest market share on Shopify?
Blockify Checkout Customizer holds the highest market share among checkout extensions apps at 91.9% (+12.28pp 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 checkout extensions apps are tracked on Shopify?
ShopDigest tracks 96 checkout extensions apps on the Shopify App Store. Rankings, market share, geography, and review data refresh weekly.
4. Which checkout extensions app is growing the fastest on Shopify?
Checkout Extensions Plus has shown the strongest ranking momentum, climbing 8 positions over the past 30 days. Use the Rankings tab to see full month-over-month trajectories.
5. Where are checkout extensions apps most popular on Shopify?
United States has the highest concentration of checkout extensions app installs at 42.8%, followed by United Kingdom at 12.2%. The Geography tab shows the full country-by-country breakdown.
6. How is market share calculated for checkout extensions 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.
