Hi Again,
You seem to have improved the specification nicely, in your second posting, and the current database structure looks good.
I'm still very interested in developing the app with you.
I'll repeat my original bid:
I need this app!
We were walking on the beach in Cromer last month, and small landslips had beautifully exposed the strata in the cliffs. There is also a narrow band of very dark rock at one point, which contains lots of fossils.
I took some photos, but it's crying out for an app, to help people find out more!
So let's talk...
I develop apps for iPhone/iPad and Mac, using Xcode and Swift.
You can see some examples of my work, and client reviews of my completed projects, on my Freelancer profile page. Further information is available on my website, notyou.co.uk.
You'll see that I have experience of the techniques that you mention:
* Maps, location, tracking, overlays, polygons, vectors
* Firebase back-end database
* List/Detail views
* PDF export
* Languages
If you'd like to reply to this message, we can discuss things further, before you make your decision on awarding the project.
Best Regards,
- Rob Dixon.