PINGL: A secure real-time messaging mobile app case study

"PINGL Messenger is a chance for people to finally share what's really on their mind. The guys at Codevate instantly understood our vision and supported the development of our ideas with passion. Our journey has been evolutionary and now the world is one step closer to freedom." - Saj Hasnain (co-founder, PINGL Limited)

The Project

The idea

PINGL Limited approached us with their idea to revolutionise mobile messaging - a messaging app focused on privacy, security, and the carefree sharing of messages, pictures, and videos.

The app was to feature standard one-to-one messaging, group messaging, and media messaging, but also go the extra mile with the 'ping' feature, whereby pinged content could only be viewed once, for a short period of time, and expired forever after being seen. If a recipient tried to screenshot that ping, the sender would get notified about it. In addition, all messages should be encrypted, and accessing the messenger needed to be straightforward.

Our approach

Our development process provided PINGL with the flexibility to evolve the app's feature-set whilst maintaining their USP.

We used a closed-group of testers to test-flight new features and gain valuable feedback & insight that enabled PINGL to grow the product based on customer needs. In-app analytics were used to understand how users interacted with the app, in order to streamline the user-experience, and to help track down any issues.

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The platform

PINGL Messenger is a real-time messenger that was developed exclusively for iOS in early 2014.

iOS app features

  •   Send messages in real-time  
  •   Auto expiry of messages when they're not needed any more  
  •   Picture & video messaging  
  •   Easy access to group conversations  
  •   Pings - private messages that can only be viewed once (by revealing them), for a short amount of time, and then expire forever afterwards  
  •   Notifications when someone has taken a screenshot of your ping  
  •   A sleek design/clean interface that removes any barriers to inter-user engagement  

Server-side features

  •   Address book matching, for matching a new user with friends who already use the app
  •   Encrypted messages
  •   Encrypted database
  •   Automated backups of essential data
  •   Multiple server instances with load balancing, for scalability that supports thousands of concurrent users
  •   International mobile phone number verification via SMS services

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