Flat Fee Shopify Apps – Market Share Breakdown
(Updated September 2026) See which flat fee 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.
Flat Fee Shopify Apps — Full Market Share Table
All tracked flat fee 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 |  SMART Shipping Rates & Rules | 69.07% | 4.59 | Climbing |
| 2 |  ShipX ‑ Shipping Rates & Rules | 18.37% | 4.07 | Declining |
| 3 |  Free Shipping Discounts ‑ SC | 5.21% | 0.63 | Declining |
| 4 |  PH MultiCarrier Shipping Label | 4.11% | 2.48 | Climbing |
| 5 |  Easyship ‑ All in One Shipping | 0.93% | 0.51 | Climbing |
| 6 |  Atlas Pickup Points | 0.88% | 0.07 | Declining |
| 7 |  Intuitive Shipping | 0.69% | 0.17 | Declining |
| 8 |  ShipZip Shipping Rates & Rules | 0.26% | 0.04 | Declining |
| 9 |  PH Ship Rate & Track for FedEx | 0.14% | 0.01 | Declining |
| 10 |  Shipping Rates Rules & Zones | 0.12% | 0.08 | Climbing |
Showing 1-10 out of 27
Key Insights:
- SMART Shipping Rates & Rules holds 69.1% share of flat fee app installs — 50.7pp ahead of ShipX ‑ Shipping Rates & Rules (18.4%).
- Top 3 apps (SMART Shipping Rates & Rules, ShipX ‑ Shipping Rates & Rules, Free Shipping Discounts ‑ SC) account for 92.7% of all flat fee install share — a concentrated market.
- SMART Shipping Rates & Rules is gaining share fastest this month (+4.59pp) — the largest single gainer among the top flat fee apps by share.
- ShipX ‑ Shipping Rates & Rules is losing share fastest (-4.07pp) — could indicate a churning user base or a stronger challenger gaining ground.
Flat Fee Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 flat fee Shopify apps over the past year — see who's gaining or losing install share month by month.
Charts Data
| App | Apr 2026 | May 2026 | Jun 2026 | Jul 2026 | Aug 2026 | Sep 2026 |
|---|---|---|---|---|---|---|
| SMART Shipping Rates & Rules | — | 56.2% | 64.6%8.39 | 69.3%4.66 | 62.9%6.41 | 61.9%0.96 |
| ShipX ‑ Shipping Rates & Rules | — | 27.2% | 22.4%4.86 | 18.1%4.3 | 25.8%7.73 | 27.4%1.55 |
| PH MultiCarrier Shipping Label | — | 5.2% | 1.6%3.58 | 4.1%2.51 | 5.1%0.93 | 5.1%0.08 |
| Free Shipping Discounts ‑ SC | — | 7.2% | 5.8%1.39 | 5.2%0.59 | 3.8%1.39 | 3.9%0.07 |
| Intuitive Shipping | — | 1.0% | 0.9%0.1 | 0.7%0.19 | 0.7%0.03 | 0.7%0.06 |
Key Insights:
- SMART Shipping Rates & Rules's share expanded from 56.2% → 61.9% over the charted period.
- Of the top 5 tracked flat fee apps, 2 grew share and 3 lost share — leader is widening the gap.
Top Flat Fee Shopify Apps by Country
Per-country market share rankings for flat fee 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:
- SMART Shipping Rates & Rules leads flat fee apps in all 4 tracked markets — United States, India, China, United Kingdom.
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Top 5 Apps in Flat Fee
- SMART Shipping Rates & Rules — Leads flat fee apps with 61.9% install share, rated 5.0★ — losing share this month.
- ShipX ‑ Shipping Rates & Rules — Holds 27.4% of flat fee app install share, rated 5.0★ — gaining share this month.
- Free Shipping Discounts ‑ SC — Holds 3.9% of flat fee app install share, rated 5.0★ — losing share this month.
- PH MultiCarrier Shipping Label — Holds 5.1% of flat fee app install share, rated 4.9★ — gaining share this month.
- OCT Hide Shipping Methods — Holds 0.3% of flat fee app install share, rated 4.9★ — gaining share this month.
Flat Fee Shopify Apps — Frequently Asked Questions
1. Which flat fee app has the highest market share on Shopify?
SMART Shipping Rates & Rules dominates the flat fee category on Shopify with 69.1% of installs — 50.7pp ahead of ShipX ‑ Shipping Rates & Rules. 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 flat fee Shopify apps?
For flat fee (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 flat fee apps are gaining market share on Shopify?
SMART Shipping Rates & Rules is gaining flat fee app market share fastest this month, up +4.59pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which flat fee apps are losing market share on Shopify?
ShipX ‑ Shipping Rates & Rules has lost the most market share this month among flat fee apps (-4.07pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most flat fee Shopify app installs?
United States drives the largest share of flat fee app installs at 32.7%, followed by Australia at 11.9% and United Kingdom at 10.8%. Use the country picker on the third card to compare market leaders by country.
6. How many flat fee apps does ShopDigest track on Shopify?
ShopDigest tracks 96 flat fee apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
