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Douroosi

Using screen
time to learn

Douroosi is a web and video based tutoring platform that connects students with vetted and professional tutors, for a variety of subjects and educational topics at various levels.

Fabrika was tasked with building the web app and platform that allows students to browse online tutors, book a lesson, attend a video tutoring session, rate the tutor, pay for the session, and book again - all through one easy to use and intuitive app.

Scope of work
  • Branding
  • UI/UX Design
  • Web Development
  • DevOps
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challenge

How to build an app for all
ages, shapes and sizes?

The challenge was to design a very responsive and smooth web experience for users of all ages and tech knowledge levels, and particularly so that children younger than the age of 13 would be able to use it with ease, security and confidence.

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solution

Easy to use design for synced child and parent use.

A significant part of Douroosi users are kids under the age of 13. In many countries there are numerous compliance hurdles for such young users, particularly when online payments are required. Fabrika therefore had to come up with a system that would include parent users. We created an entity model that detects users under 13, and prompts them to connect to their parents' account, in order to purchase tutor sessions. The parent account is essentially an admin, with connected student / children accounts, which allows them to upload credits for session purchases, book tutors, as well as join in on sessions, and view all account details of their students.

For the purpose of payments, Fabrika developed an internal banking system to manage money transactions directly on the platform, also enabling interfaces with external payment systems (such as PayPal).

Further, we implemented realtime whiteboard solutions to emulate the feeling of a real classroom experience, while supporting in-browser video sessions and screen-sharing by using WebRTC technology and media/streaming servers from the third party provider.

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The truthfulness
of dataspeak.

Since we chose to use a third party WebRTC provider, Fabrika had to connect with their API to read the session data, in order to determine whether a session was held, completed, or cut short, which would ultimately determine whether a session was charged or refunded. While connecting to the API was easy, reading the session data packets was very challenging: it was reliable, complete and timely only about 70% of the time. Therefore, we had to come up with a solution that would guarantee accuracy and timeliness. We decided to build a websocket that became the source of truth for session data. This allowed us to attain immediately 99% session data accuracy.

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Translating global to local.

Fabrika implemented a complex iCal, to manage recurrent events, scheduling, rescheduling, and tutor availability, along with an email notification system, chat support, messaging and social signup/login to facilitate use of the app.

Since Douroosi is a global platform, one of the biggest problems we had to tackle was having students and tutors in different time zones.

A related challenge was introducing support for the Arabic language; in order to emulate its right to left direction Fabrika developed a Webpack plugin for "flipping" css to match the design.

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Effective for all formats, shapes and sizes.

The biggest challenge was to provide a great user experience on small screens, while fitting in the videoscreen, whiteboard and chat. Fabrika approached this UX challenge carefully, in order to allow users to easily switch between video, chat and whiteboard view, while using notification prompts to help the user know which feature has the most recent and on-going activity. We were successful in creating a web-like experience for all users, and now mobile device sessions account for 35% of all sessions.