User Story #19: As a user I want to manage a subscription type so that I choose the services I get
Acceptance Criteria:
ーUser can select one out of the following subscription type available:
1. Free:
- Limited number of projects
- Limited number of tasks within the project
- Limited file storage (user can upload only up to a limited number of files)
2. Monthly Pro
- Unlimited number of projects
- Unlimited number of tasks within the project
3. Annual Pro
User Story #20: As a user I want to access the billing history so that I can manage my expenses.
Acceptance Criteria:
ー user can see the list of the transactions made for the app services he received. The following info is available:
the last 4 digits of card number charged for the app services
