Search ← Apptopia: FAQ and Support Search… Search (thinking…) Reset All (11) Articles (9) Ideas (2) Contact our Support team! Can we sell apps that were produced using 3rd party development platforms? 1. Syncing: How do I sync my developer accounts? Syncing Accounts: How long does it for my developer account to sync with the listing? What is the average profit based on? Selling an app: Can I sell an app that isn't yet listed on Google Play or the iTunes App Store? 3. Valuations: Can you please provide me with a valuation for my app(s)? How does the transfer process work and how long does it take? How do I go about valuating my app?