Advice To Steer The Ship (EdTech) [I will not promote]

We [me and my cofounder] launched the open beta of our EdTech product 2 weeks ago. So far, the only marketing we've done is sending a message in our university course group chat (~200 people). From that, we've gotten 13 users. A bit of context: it's currently exam season, so usage patterns are probably unusual. Most users log in once or twice a week on average, although we do have a few power users who use it much more frequently. I've spent a significant amount of time building this because it solved a few