Choosing between Klaviyo and Substack comes down to your specific use case. Both are legitimate email marketing platforms, but they serve different audiences. Klaviyo is built for e-commerce brands on Shopify or WooCommerce, while Substack targets writers monetising directly from subscribers. This comparison covers the key differences so you can decide quickly.
| Feature | Klaviyo | Substack |
|---|---|---|
| Starting price | $45/mo | $0/mo |
| Free plan | Yes | Yes |
| Best for | E-Commerce Brands On Shopify Or Woocommerce | Writers Monetising Directly From Subscribers |
| Free subscriber limit | 500 | -1 |
| G2 rating | 4.6 | 4.0 |
It depends on your use case. Klaviyo wins for e-commerce brands on Shopify or WooCommerce, while Substack is stronger for writers monetising directly from subscribers. Neither is objectively better — the right choice depends on your specific needs.
Substack starts at a lower price point ($0/mo vs $45/mo). However, pricing scales with subscriber count, so the total cost depends on your list size.
Yes, switching from Substack to Klaviyo is possible. Most platforms support CSV import/export for subscriber lists. Plan for some time to recreate automations and templates, as these rarely transfer directly between platforms.