I'm a big fan of Klaviyo. Love their tools. But tinyAlbert is different, and for lots of Shopify store owners, it's a better option.
Let me give you the TL;DR answer. You can read the long research article here.
Better support.
A much shorter learning curve. That means you spend less time learning the app and more time using it to generate sales.
Better pricing.
That's it. Let me know if you need more info.