01 / MOBILE
Both apps are in development. There is no store listing to link yet and no beta to join; this page will say when there is.
Billable works in a phone browser today. Sign in on your phone and the timesheet, the invoice list and Quick Invoice all work at that size.
iPhone and iPad
Being built now. When it ships, it will be linked from this page.
Phones and tablets
Being built now. When it ships, it will be linked from this page.
02 / PLANNED
The phone is where hours get forgotten. Everything below is the shortlist, not a commitment, and it syncs with the same account rather than being a separate notebook.
Add a timesheet row from a car park between appointments, against the same clients and activities as the web app.
The menu-bar timer the desktop app has, on a phone lock screen.
Invoice status and outstanding balances, without opening a laptop.
The desktop app is closer
A macOS build already exists, though it is not released either.