Web App vs Mobile App for MVP. I will not promote

Hi folks, I’m in desperate need of some advice. I’m a short story writer and have built a strong community of ardent followers. I’ve written over 300 short stories and continue to create new content every week. Now, I want to monetize my work, grow my brand, and turn this into a sustainable living. This would also help me further my mission of encouraging people to read more instead of mindlessly scrolling. To achieve this, I’ve decided to build an app around my content and charge a subscription fee. My challenge: I want to be mobile-first since managing a cross-country business and transactions is easier through the Apple App Store and Google Play. However, building a mobile app isn’t as simple as I expected. I tried FlutterFlow, but I’m concerned about scalability. The drag-and-drop interface feels limiting, and as a developer, I find it confusing. On the other hand, Flutter itself has a steep learning curve—or maybe I’m just impatient. This leaves me with the option of a web app, which I can easily build myself. But I worry that adoption might be a challenge, and it won’t reflect the idea’s full potential like a mobile app would. What should I do? Should I invest in hiring developers? Am I wrong about web apps? Are they a viable alternative? Is there another option I haven’t considered? Has anyone worked with a consultant when stuck like this? Did it help? Would love to hear your thoughts!