Email & SMS Prospect Lists for Shopify App Developers
For Shopify app developers, use this page to find Shopify merchants already using related apps. StoreRadar tracks 26 email marketing & sms apps. Klaviyo leads by store count, with 52,435 public Shopify stores.
Find verified founder emails among Shopify stores using email marketing and sms apps for Shopify app developers.
What this group shows
| Apps in this group | 26 |
|---|---|
| App with the largest store count | Klaviyo · 52,435 |
| App with the smallest store count | Webpushr · 1 |
| Apps with extra store details | 9 of 26 |
| Apps also found with another app | 3 of 26 |
| Last checked | 4 November 2026 |
Counts come from public store checks. One store can appear under more than one app.
How to use this page
Compare apps that solve a similar job. Use the group to choose a partner, integration or tool to test.
If you sell email, SMS or lifecycle software, use this group to find stores already using related apps.
Open the app pages below when you need the count, observation date and any available breakdown. Keep the page date with anything you cite.
Apps with the largest store counts
| Rank | App | Stores found | Extra store details |
|---|---|---|---|
| 1 | Klaviyo | 52,435 | profile and same-store evidence |
| 2 | Omnisend | 7,582 | profile and same-store evidence |
| 3 | Privy | 5,565 | profile and same-store evidence |
| 4 | PushOwl | 2,527 | profile details |
| 5 | Mailchimp | 2,353 | profile details |
| 6 | Postscript | 2,346 | profile details |
| 7 | SMSBump | 1,242 | profile details |
| 8 | Attentive | 1,163 | profile details |
Apps are ordered by store count in the current StoreRadar snapshot.
Every app in this group
- Klaviyo · 52,435 stores · 4 November 2026
- Omnisend · 7,582 stores · 4 November 2026
- Privy · 5,565 stores · 4 November 2026
- PushOwl · 2,527 stores · 4 November 2026
- Mailchimp · 2,353 stores · 4 November 2026
- Postscript · 2,346 stores · 4 November 2026
- SMSBump · 1,242 stores · 4 November 2026
- Attentive · 1,163 stores · 4 November 2026
- Brevo · 418 stores · 4 November 2026
- ActiveCampaign · 166 stores · 4 November 2026
- Sumo · 139 stores · 4 November 2026
- Drip · 102 stores · 4 November 2026
- Recart · 96 stores · 4 November 2026
- Cordial · 72 stores · 4 November 2026
- Firepush · 62 stores · 4 November 2026
- Sendlane · 61 stores · 4 November 2026
- Gist · 35 stores · 4 November 2026
- Dotdigital · 29 stores · 4 November 2026
- OneSignal · 26 stores · 4 November 2026
- CartStack · 10 stores · 4 November 2026
- Listrak · 7 stores · 4 November 2026
- Pushnami · 3 stores · 4 November 2026
- Stay Ai · 3 stores · 4 November 2026
- Annex Cloud · 1 stores · 4 November 2026
- iZooto · 1 stores · 4 November 2026
- Webpushr · 1 stores · 4 November 2026
Open the Email Marketing & SMS category hub · Return to For Shopify app developers
Start with this audience
Start your next campaign with Shopify stores using email marketing and sms apps.
After payment
Load the matching Shopify stores and export your campaign list.
Optional verified contact delivery for qualifying matches
How StoreRadar checks these stores
StoreRadar.co records the apps found on public Shopify stores in the 4 November 2026 check. The category label groups similar tools.
Read the methodology · Browse the dataset catalog · Return to app intelligence
Find verified founder emails among Shopify stores using email marketing and sms apps for Shopify app developers.
What you receive
Store-only rows use 1 credit each. Rows with a qualifying verified-contact package use 2 credits total each. A contact package qualifies only when a name, title and verified work email are all available.
Before export, your workspace shows the qualifying row count and exact credit total. You are charged only for qualifying rows delivered.