He also managed a team of junior and intermediate developers. An article by TechStars is a useful starting point for figuring out those numbers. Houseparty has built their entire app design around the process of inviting your friends to chat.
If you are looking to raise Angel, VC or even crowd-funding, put as many learnings from interactions with potential customers in your mobile app business plan as possible, and if you've already got paying customers, then that is a big upside.
You won't be able to do everything all at once.
It should also demonstrate that this problem impacts enough people to make your app startup a viable commercial proposition. If you are going this route, iOS and macOS app stores are where you are more likely to find users willing to pay, alongside selling apps through your own and third-party websites.
Alex Glassey, who designed this iPad-only appdescribes it as "a strategic-planning app that helps entrepreneurs with the thinking and decision-making process.
Although many people are averse to paying to download, apps can still generate revenue this way.
Is it: A specific revenue target? Once you've created a business plan, it's time to take the next steps.
This model allows brands and agencies to be part of an incentive system. How much money do you need?