This is what I call the "Hub and Spoke" model — leverage a core subscription userbase and then upsell additional offerings to gain a larger share of wallet from your core customers. Until recently, this option seemed out of reach for most Consumer SaaS companies struggling to simply generate enough demand to support a single product at scale.

Hub and Spoke — Spotify

...that’s where “Mass SaaS” comes in. Buy once; pay routinely (sometimes even subconsciously). Consumers love it because they can set it and forget it. Founders love it because they can acquire users once and get predictable revenue in exchange, as long as they can retain those users by improving the product, delivering stellar customer service,... See more