Straight answers, no fine print.
Do I need to use a credit card to sign up?
No. Free forever means no credit card is required.
Well if you don't charge for subscriptions, you must be ad supported!
No. There are no ads in Timeline.
How do you make money if there are no subscriptions and no ads?
Timeline is a platform. It's a foundation tier for a set of advanced add-ins, in development, which will be in-app purchases.
What does "doju" mean?
Doju is short for dot journal. A dot journal is a whole-life journaling approach traditionally done with pen and a bound notebook. Doju.app is a re-imagining of this journaling form in a digital environment, as a suite of applications. Timeline is the first of these applications.