Billing Shopify Apps — Full Market Share Table
All tracked billing 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 |  Kaching Subscriptions App | 56.72% | 3.64 | Declining |
| 2 |  QuickBooks Online | 25.72% | 9.18 | Climbing |
| 3 |  Appstle℠ Memberships | 4.90% | 1.42 | Climbing |
| 4 |  Assemblified Bill of Materials | 3.37% | 1.15 | Climbing |
| 5 |  Seal Subscriptions App | 3.14% | 9.95 | Declining |
| 6 |  Shopify Bill Pay | 2.36% | 0.92 | Climbing |
| 7 |  Shopify Subscriptions | 0.95% | 0.35 | Climbing |
| 8 |  GST Invoice Inventory ‑ Swipe | 0.82% | 0.78 | Climbing |
| 9 |  TA Subscriptions App | 0.49% | 0.37 | Declining |
| 10 |  Report Pundit: Custom Reports | 0.46% | 0.32 | Declining |
Showing 1-10 out of 25
Key Insights:
- Kaching Subscriptions App holds 56.7% share of billing app installs — 31.0pp ahead of QuickBooks Online (25.7%).
- Top 3 apps (Kaching Subscriptions App, QuickBooks Online, Appstle℠ Memberships) account for 87.3% of all billing install share — a fragmented market.
- QuickBooks Online is gaining share fastest this month (+9.18pp) — the largest single gainer among the top billing apps by share.
- Seal Subscriptions App is losing share fastest (-9.95pp) — could indicate a churning user base or a stronger challenger gaining ground.
Billing Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 billing 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 Subscriptions App | 53.4%7.21 | 55.1%1.71 | 65.4%10.32 | 47.9%17.48 | 58.0%10.08 | 56.7%1.30 |
| QuickBooks Online | 16.1%3.27 | 23.7%7.64 | 19.4%4.27 | 13.3%6.09 | 21.8%8.49 | 25.7%3.90 |
| Appstle℠ Memberships | 20.2%8.46 | 11.7%8.53 | 6.2%5.46 | 3.0%3.22 | 10.1%7.15 | 4.9%5.22 |
| Assemblified Bill of Materials | 3.8%1.08 | 2.5%1.32 | 2.8%0.32 | 1.8%0.96 | 2.0%0.20 | 3.4%1.34 |
| Seal Subscriptions App | — | — | — | 30.3% | 5.0%25.31 | 3.1%1.85 |
Key Insights:
- Kaching Subscriptions App's share expanded from 21.3% → 56.7% over the charted period.
- Of the top 5 tracked billing apps, 3 grew share and 2 lost share — leader is widening the gap.
Top Billing Shopify Apps by Country
Per-country market share rankings for billing 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 | Kaching Subscriptions App | Kaching Subscriptions App | GST Invoice Inventory ‑ Swipe | Appstle℠ Memberships | Kaching Subscriptions App |
| 2 | QuickBooks Online | QuickBooks Online |  GST Pro: GST Invoice India |  Shopify Collabs | QuickBooks Online |
| 3 | Appstle℠ Memberships | Appstle℠ Memberships | Kaching Subscriptions App | Shopify Bill Pay | Appstle℠ Memberships |
| 4 | Assemblified Bill of Materials | Shopify Bill Pay |  Easy Subscriptions App | Assemblified Bill of Materials | Seal Subscriptions App |
| 5 | Seal Subscriptions App | Seal Subscriptions App | Appstle℠ Memberships | GST Invoice Inventory ‑ Swipe | Assemblified Bill of Materials |
Key Insights:
- Kaching Subscriptions App leads billing apps in 2 of 4 tracked markets (United States, United Kingdom).
- Kaching Subscriptions App leads worldwide, but 2 of 4 tracked markets crown a different leader — GST Invoice Inventory ‑ Swipe in India, Appstle℠ Memberships in China.
Top 5 Apps in Billing
- Shopify Bill Pay — Leads billing apps with 2.4% install share, rated 2.5★ — gaining share this month.
- Assemblified Bill of Materials — Holds 3.4% of billing app install share, rated 5.0★ — gaining share this month.
- GST Invoice Inventory ‑ Swipe — Holds 0.8% of billing app install share, rated 4.3★ — gaining share this month.
- Kaching Subscriptions App — Holds 56.7% of billing app install share, rated 5.0★ — losing share this month.
- QuickBooks Online — Holds 25.7% of billing app install share, rated 4.6★ — gaining share this month.
Billing Shopify Apps — Frequently Asked Questions
1. Which billing app has the highest market share on Shopify?
Kaching Subscriptions App ranks #1 by share among billing apps at 56.7%, but the market is fragmented — multiple apps capture meaningful share. Compare the top 5 on features and pricing before deciding.
2. How is market share calculated for billing Shopify apps?
For billing (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 billing apps are gaining market share on Shopify?
QuickBooks Online is gaining billing app market share fastest this month, up +9.18pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which billing apps are losing market share on Shopify?
Seal Subscriptions App has lost the most market share this month among billing apps (-9.95pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most billing Shopify app installs?
United States drives the largest share of billing app installs at 47.6%, followed by Canada at 10.3% and United Kingdom at 8.9%. Use the country picker on the third card to compare market leaders by country.
6. How many billing apps does ShopDigest track on Shopify?
ShopDigest tracks 96 billing apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
7. Why does the highest-share billing app differ from the #1 ranked app?
Rank reflects an app's current position in the Shopify App Store under billing (driven by Shopify's own algorithm), while market share on ShopDigest is estimated from review counts and other factors as a proxy for active installs. The two metrics move on independent dynamics, so the highest-share app and the #1-ranked app are not always the same — and a divergence between them is worth noting rather than assuming one will pull the other along. For billing, Kaching Subscriptions App leads on share; see the rankings tab for who currently holds #1 position.
