Here is my product: https://matchkraft.com/. It is a marketing toolkit. I think you need to ask for feedback, asking why users don't want to pay for a premium subscription. So far, you are getting new users that is a good sign you are going to the right direction. Maybe, who is your ideal customer or maybe your product is ok but need more visibility (maybe paying ads). Try to get active users. I really want to... Source: 12 months ago

Calling a 3rd party API: There is a complete ecosystem providing "google-sheets-as-DB". I personally tested and recommend https://sheetson.com/ but there are a lot more with free tiers https://sheetsu.com/ https://sheety.co/. Source: about 2 years ago

Now that I've reached $1,000 MRR, my next big goal is to get 100 paying users in the next 100 days. Source: almost 2 years ago

If you're interested in joining the challenge the signup form and leaderboard are at https://100in100.co/. Source: almost 2 years ago

This month we're hosting a free group challenge for SaaS founders. The goal is simple: get 100 new paying users in 100 days. Source: almost 2 years ago

This last year we went from about 400 members to now over 2,000 (counting by active Slack members). A lot of the growth came from a challenge we ran called 100 users 100 days. The idea of the challenge was to get 100 new paying users in 100 days, with a leaderboard and weekly mastermind sessions for accountability. Definitely hope to run another round of the challenge soon. Source: over 2 years ago

- Try a public challenge like http://100in100.co. You'll get grouped with other entrepreneurs who are learning just like you. - Source: Hacker News / almost 3 years ago