Two-Way Messaging Shopify Apps – Market Share Breakdown
(Updated September 2026) See which two-way messaging 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.
Two-Way Messaging Shopify Apps — Full Market Share Table
All tracked two-way messaging 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 |  Klaviyo: Email Marketing & SMS | 70.89% | 2.29 | Climbing |
| 2 |  Mailchimp Email SMS Marketing | 18.37% | 2.17 | Declining |
| 3 |  TxtCart AI: SMS Marketing | 10.31% | 0.10 | Declining |
| 4 |  SMSGo: Abandoned Cart Recovery | 0.23% | 0.00 | Declining |
| 5 |  Convertway: WhatsApp, SMS, RCS | 0.09% | 0.00 | Climbing |
| 6 |  Postscript SMS Marketing | 0.07% | 0.01 | Climbing |
| 7 |  Notify Customers SMS Marketing | 0.02% | 0.02 | Declining |
| 8 |  Kudosity SMS Messaging | 0.01% | 0.00 | Declining |
| 9 |  Phoneize: Call + Chat Button | 0.01% | 0.00 | Declining |
| 10 |  Mercuri SMS Marketing WhatsApp | 0.00% | 0.00 | Declining |
Showing 1-10 out of 26
Key Insights:
- Klaviyo: Email Marketing & SMS holds 70.9% share of two-way messaging app installs — 52.5pp ahead of Mailchimp Email SMS Marketing (18.4%).
- Top 3 apps (Klaviyo: Email Marketing & SMS, Mailchimp Email SMS Marketing, TxtCart AI: SMS Marketing) account for 99.6% of all two-way messaging install share — a concentrated market.
- Klaviyo: Email Marketing & SMS is gaining share fastest this month (+2.29pp) — the largest single gainer among the top two-way messaging apps by share.
- Mailchimp Email SMS Marketing is losing share fastest (-2.17pp) — could indicate a churning user base or a stronger challenger gaining ground.
Two-Way Messaging Shopify Apps — Market Share Over Time
Monthly market share trajectory for the top 5 two-way messaging 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 |
|---|---|---|---|---|---|---|
| Klaviyo: Email Marketing & SMS | — | 63.1% | 68.5%5.43 | 70.8%2.28 | 74.7%3.9 | 76.1%1.37 |
| Mailchimp Email SMS Marketing | — | 24.4% | 20.4%3.93 | 18.4%2.05 | 15.7%2.68 | 14.8%0.96 |
| TxtCart AI: SMS Marketing | — | 12.0% | 10.6%1.42 | 10.3%0.22 | 8.9%1.4 | 8.6%0.34 |
| SMSGo: Abandoned Cart Recovery | — | 0.1% | 0.2%0.1 | 0.2% | 0.3%0.04 | 0.3%0.01 |
 YipSMS: Simple SMS Marketing | — | — | — | — | 0.0% | 0.1%0.07 |
Key Insights:
- Klaviyo: Email Marketing & SMS's share expanded from 63.1% → 76.1% over the charted period.
- Of the top 5 tracked two-way messaging apps, 3 grew share and 2 lost share — leader is widening the gap.
Top Two-Way Messaging Shopify Apps by Country
Per-country market share rankings for two-way messaging 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:
- Klaviyo: Email Marketing & SMS leads two-way messaging apps in all 4 tracked markets — United States, India, China, United Kingdom.
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Top 5 Apps in Two-Way Messaging
- Klaviyo: Email Marketing & SMS — Leads two-way messaging apps with 76.1% install share, rated 4.7★ — gaining share this month.
- TxtCart AI: SMS Marketing — Holds 8.6% of two-way messaging app install share, rated 4.9★ — losing share this month.
- Mailchimp Email SMS Marketing — Holds 14.8% of two-way messaging app install share, rated 4.8★ — losing share this month.
- SMSGo: Abandoned Cart Recovery — Holds 0.3% of two-way messaging app install share, rated 3.9★.
- Sendvio: Email Marketing & SMS — Holds 0.1% of two-way messaging app install share, rated 4.8★ — gaining share this month.
Two-Way Messaging Shopify Apps — Frequently Asked Questions
1. Which two-way messaging app has the highest market share on Shopify?
Klaviyo: Email Marketing & SMS dominates the two-way messaging category on Shopify with 70.9% of installs — 52.5pp ahead of Mailchimp Email SMS Marketing. 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 two-way messaging Shopify apps?
For two-way messaging (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 two-way messaging apps are gaining market share on Shopify?
Klaviyo: Email Marketing & SMS is gaining two-way messaging app market share fastest this month, up +2.29pp versus 30 days ago. Switch the table sub-tab to "Market Share Changes" to see all gainers ordered by movement.
4. Which two-way messaging apps are losing market share on Shopify?
Mailchimp Email SMS Marketing has lost the most market share this month among two-way messaging apps (-2.17pp). Sort the table by Change (Low to High) to see the full list of decliners.
5. Which countries drive the most two-way messaging Shopify app installs?
United States drives the largest share of two-way messaging app installs at 44.2%, followed by United Kingdom at 8.3% and Australia at 7.6%. Use the country picker on the third card to compare market leaders by country.
6. How many two-way messaging apps does ShopDigest track on Shopify?
ShopDigest tracks 96 two-way messaging apps on the Shopify App Store. Market share, rankings, and review data refresh weekly so you can track competitive shifts as they happen.
