Transactional Email Shopify Apps – Market Share Breakdown
(Updated September 2026) See which transactional email 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.
Transactional Email Shopify Apps — Full Market Share Table
All tracked transactional email 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 |  WorkflowMail Emails | 36.73% | 2.22 | Climbing |
| 2 |  Workflow Transactional Email | 33.39% | 2.02 | Climbing |
| 3 |  Klaviyo: Email Marketing & SMS | 10.42% | 1.95 | Climbing |
| 4 |  SendWILL Popup Email Marketing | 9.65% | 0.42 | Declining |
| 5 |  Mailchimp Email SMS Marketing | 3.86% | 3.39 | Declining |
| 6 |  Omnisend Email Marketing & SMS | 2.15% | 1.78 | Declining |
| 7 |  GEL Proximity | PUDO & Lockers | 1.50% | 0.66 | Climbing |
| 8 |  FlowSend ‑ Flow Mail App | 1.17% | 1.17 | Climbing |
| 9 |  Transcy: AI Language Translate | 0.75% | 0.25 | Declining |
| 10 |  Impulsafy ‑ Email Guard | 0.18% | 0.08 | Climbing |
Showing 1-10 out of 25
Key Insights:
- WorkflowMail Emails holds 36.7% share of transactional email app installs — 3.3pp ahead of Workflow Transactional Email (33.4%).
- Top 3 apps (WorkflowMail Emails, Workflow Transactional Email, Klaviyo: Email Marketing & SMS) account for 80.5% of all transactional email install share — a concentrated market.
- WorkflowMail Emails is gaining share fastest this month (+2.22pp) — the largest single gainer among the top transactional email apps by share.
- Mailchimp Email SMS Marketing is losing share fastest (-3.39pp) — could indicate a churning user base or a stronger challenger gaining ground.
Transactional Email Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 transactional email 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 |
|---|---|---|---|---|---|---|
| Workflow Transactional Email | — | — | 31.4% | 33.4%2.01 | 41.8%8.42 | 43.7%1.87 |
| WorkflowMail Emails | — | — | 34.5% | 36.7%2.21 | 31.4%5.37 | 32.0%0.68 |
| Klaviyo: Email Marketing & SMS | — | — | 8.5% | 10.4%1.93 | 13.5%3.1 | 13.6%0.1 |
| FlowSend ‑ Flow Mail App | — | — | — | 1.2% | 2.7%1.49 | 5.1%2.44 |
| Omnisend Email Marketing & SMS | — | — | 3.9% | 2.2%1.76 | 2.5%0.39 | 2.4%0.14 |
Key Insights:
- Workflow Transactional Email's share expanded from 31.4% → 43.7% over the charted period.
- Of the top 5 tracked transactional email apps, 3 grew share and 2 lost share — leader is widening the gap.
Top Transactional Email Shopify Apps by Country
Per-country market share rankings for transactional email 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:
- WorkflowMail Emails leads transactional email apps in 3 of 4 tracked markets (United States, China, United Kingdom).
- WorkflowMail Emails leads worldwide, but India bucks the trend — SendWILL Popup Email Marketing leads there.
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Top 5 Apps in Transactional Email
- Workflow Transactional Email — Leads transactional email apps with 43.7% install share, rated 4.1★ — gaining share this month.
- WorkflowMail Emails — Holds 32.0% of transactional email app install share, rated 5.0★ — losing share this month.
- FlowSend ‑ Flow Mail App — Holds 5.1% of transactional email app install share, rated 5.0★ — gaining share this month.
- MailAction: Send Email in Flow — Holds 0 of transactional email app install share.
- Sendjo: Emails & SMS via Flow — Holds 0 of transactional email app install share, rated 5.0★.
Transactional Email Shopify Apps — Frequently Asked Questions
1. Which transactional email app has the highest market share on Shopify?
WorkflowMail Emails dominates the transactional email category on Shopify with 36.7% of installs — 3.3pp ahead of Workflow Transactional Email. 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 transactional email Shopify apps?
For transactional email (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 transactional email apps are gaining market share on Shopify?
WorkflowMail Emails is gaining transactional email app market share fastest this month, up +2.22pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which transactional email apps are losing market share on Shopify?
Mailchimp Email SMS Marketing has lost the most market share this month among transactional email apps (-3.39pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most transactional email Shopify app installs?
Germany drives the largest share of transactional email app installs at 32.9%, followed by United States at 28.7% and United Kingdom at 7.6%. Use the country picker on the third card to compare market leaders by country.
6. How many transactional email apps does ShopDigest track on Shopify?
ShopDigest tracks 96 transactional email apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
