Postscript alternatives for Shopify
Updated · How we collect this data
The most used Postscript alternative on Shopify is Klaviyo (157,442 stores). We rank 4 email & SMS marketing tools by how many live Shopify stores run them, out of 199,281 installs we detect.
What are the best Postscript alternatives for Shopify stores?
Klaviyo is the most used Postscript alternative on Shopify, installed on 157,442 active stores, 79% of all email & SMS marketing installs we detect. Omnisend follows with 24,857 stores (12.5%). For comparison, Postscript itself runs on 3,294 stores, 1.7% of the category. We rank alternatives by how many live Shopify stores actually use them (October 2026), measured across 199,281 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 (47.4% of stores) and Omnisend is strongest in Lithuania (26.7% 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 | 157,442 | 79% | 54.3% | Denmark (47.4%) | |
| 2 | Omnisend | 24,857 | 12.5% | 8.4% | Lithuania (26.7%) | |
| 3 | Privy | 10,001 | 5% | 3.6% | Chile (2.8%) | |
| 4 | Attentive | 3,687 | 1.9% | 2.4% | United States (1.3%) |
"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 157,442 active Shopify stores (21% of all stores we track), 79% of email & SMS marketing installs. Its largest market is United States with 59,348 stores. 1,788 stores run it together with Postscript (54.3% of Postscript stores). It is installed on more stores than Postscript in United States (59,348 vs 2,836), United Kingdom (15,296 vs 77), Australia (13,248 vs 82), Germany (7,635 vs 6). Stores using Klaviyo instead of Postscript include JB Hi-Fi, Comfrt, Littlebox India, Triveni World. See the top stores using Klaviyo .
Omnisend
Omnisend runs on 24,857 active Shopify stores (3.3% of all stores we track), 12.5% of email & SMS marketing installs. Its largest market is United States with 7,960 stores. 277 stores run it together with Postscript (8.4% of Postscript stores). It is installed on more stores than Postscript in United States (7,960 vs 2,836), United Kingdom (2,298 vs 77), Australia (1,509 vs 82), Hong Kong SAR China (1,258 vs 18). Stores using Omnisend instead of Postscript include Aelfric eden, GRUV Entertainment Store, Nestasia, iTokri आई.टोकरी. See the top stores using Omnisend .
Privy
Privy runs on 10,001 active Shopify stores (1.3% of all stores we track), 5% of email & SMS marketing installs. Its largest market is United States with 4,978 stores. 119 stores run it together with Postscript (3.6% of Postscript stores). It is installed on more stores than Postscript in United States (4,978 vs 2,836), United Kingdom (775 vs 77), Canada (700 vs 194), Australia (633 vs 82). Stores using Privy instead of Postscript include MyFonts, Karakubuy, Boston Scally, Leaf Studios. See the top stores using Privy .
Attentive
Attentive runs on 3,687 active Shopify stores (0.5% of all stores we track), 1.9% of email & SMS marketing installs. Its largest market is United States with 3,058 stores. 79 stores run it together with Postscript (2.4% of Postscript stores). It is installed on more stores than Postscript in United States (3,058 vs 2,836), United Kingdom (322 vs 77), Australia (98 vs 82), United Arab Emirates (11 vs 0). Stores using Attentive instead of Postscript include Comfrt, Alo Yoga, Cole Haan, Tuckernuck. 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.