Zenfie – Meditation

Zenfie (download here) is an iOS app for meditation. It’s the first competitor to the most famous meditation app Headspace.

Listen to meditation audio sessions.
The app has two In-app purchase models. User can subscribe monthly/annually to access all sessions, or he can buy specific sessions.
Sessions can be downloaded in order to be listened to offline.
App supports 3 languages (English, French, Spanish).
App shows statistics for user’s progress in meditation.
App reminds the user everyday about his meditation time.
User can set reminders to specific meditation sessions to listen to them daily/weekly/monthly.
The app has “Offline” mode. When it’s switched on, all internet activities are stopped, and the user can only listen to downloaded sessions.
App send push notification to users for special offers, reminders.. etc.

I was not responsible for the initial version of the app. Later on, I joined the development team and become fully in charge on the app.
Upon leading the team, I refactored most the app. Rewrote the whole network layer using AFNetworking framework. Refactored all started API calls to minimize the app startup time to 4 seconds (originally 1 min).
Discuss the requirements with customer. Analyze and estimate the required effort.
Participate in app development, testing.
Help colleagues in technical challenges, and do code reviews.
Responsible for app QA.
Submit the app to App Store.