Postscript alternatives for Shopify
Updated · How we collect this data
The most used Postscript alternative on Shopify is Klaviyo (129,052 stores). We rank 4 email & SMS marketing tools by how many live Shopify stores run them, out of 164,796 installs we detect.
What are the best Postscript alternatives for Shopify stores?
Klaviyo is the most used Postscript alternative on Shopify, installed on 129,052 active stores, 78.3% of all email & SMS marketing installs we detect. Omnisend follows with 20,146 stores (12.2%). For comparison, Postscript itself runs on 3,387 stores, 2.1% of the category. We rank alternatives by how many live Shopify stores actually use them (October 2026), measured across 164,796 email & SMS marketing installs, rather than by features or affiliate deals. Some of these tools are also used alongside Postscript, which the overlap column shows. Market leadership also varies by country: Klaviyo is strongest in Denmark (47.5% of stores) and Omnisend is strongest in Lithuania (25.3% of stores). Notable stores still on Postscript include New Era Cap, KITSCH, Missouri Star Quilt Company.
Postscript alternatives ranked by number of Shopify stores
| # | Alternative | Stores | Share of category | Also use Postscript | Strongest market | |
|---|---|---|---|---|---|---|
| 1 | Klaviyo | 129,052 | 78.3% | 61% | Denmark (47.5%) | Compare |
| 2 | Omnisend | 20,146 | 12.2% | 8.2% | Lithuania (25.3%) | Compare |
| 3 | Privy | 8,939 | 5.4% | 4.1% | Chile (2.9%) | Compare |
| 4 | Attentive | 3,272 | 2% | 2% | United States (1.6%) |
"Also use Postscript" = share of Postscript stores that run the alternative at the same time. "Strongest market" = country (100+ stores) with the highest adoption.
Klaviyo
Klaviyo runs on 129,052 active Shopify stores (21% of all stores we track), 78.3% of email & SMS marketing installs. Its largest market is United States with 48,324 stores. 2,065 stores run it together with Postscript (61% of Postscript stores). It is installed on more stores than Postscript in United States (48,324 vs 2,967), United Kingdom (12,577 vs 70), Australia (10,754 vs 69), Germany (6,200 vs 5). Stores using Klaviyo instead of Postscript include JB Hi-Fi, Comfrt, Littlebox India, Triveni World. See the top stores using Klaviyo or compare Postscript vs Klaviyo.
Omnisend
Omnisend runs on 20,146 active Shopify stores (3.3% of all stores we track), 12.2% of email & SMS marketing installs. Its largest market is United States with 6,249 stores. 277 stores run it together with Postscript (8.2% of Postscript stores). It is installed on more stores than Postscript in United States (6,249 vs 2,967), United Kingdom (1,844 vs 70), Australia (1,198 vs 69), Hong Kong SAR China (1,055 vs 19). Stores using Omnisend instead of Postscript include Aelfric eden, GRUV Entertainment Store, Nestasia, iTokri आई.टोकरी. See the top stores using Omnisend or compare Postscript vs Omnisend.
Privy
Privy runs on 8,939 active Shopify stores (1.5% of all stores we track), 5.4% of email & SMS marketing installs. Its largest market is United States with 4,399 stores. 139 stores run it together with Postscript (4.1% of Postscript stores). It is installed on more stores than Postscript in United States (4,399 vs 2,967), United Kingdom (684 vs 70), Canada (598 vs 182), Australia (550 vs 69). Stores using Privy instead of Postscript include MyFonts, Stüssy, Karakubuy, Boston Scally. See the top stores using Privy or compare Postscript vs Privy.
Attentive
Attentive runs on 3,272 active Shopify stores (0.5% of all stores we track), 2% of email & SMS marketing installs. Its largest market is United States with 2,750 stores. 69 stores run it together with Postscript (2% of Postscript stores). It is installed on more stores than Postscript in United Kingdom (272 vs 70), Australia (80 vs 69), United Arab Emirates (10 vs 0), Germany (10 vs 5). Stores using Attentive instead of Postscript include Comfrt, Alo Yoga, Steve Madden, Cole Haan. See the top stores using Attentive .
Rankings count live Shopify stores where each tool is detected in homepage code, from our crawl of every Shopify store with real traffic. They measure adoption, not quality or price. Methodology.