aeris is the first provider of complete indoor air quality treatment systems and offers a unique line of air purifiers capable of dealing with any kind of air pollution at home or at work.
The company was founded in 2014 in China and eventually expanded to Zurich and the United States. Its first app was launched in 2015.

This case study and project started in July 2021 until the end of November 2021, when it was acquired by iRobot - Check project iRobot

The application was first launched in 2015 and had some notorious usability issues.
The app's features were difficult to use and not understandable.
The app's interactions were confusing for its users.
Users only used a single feature in the entire app due to the aforementioned problems: turning Smart mode on or off.
For the development of the app, the team consisted of three members: back-end, front-end and Ux/Ui (me), from time to time we had other colleagues who helped us to test the app.
Before I joined the team, the time proposed for its launch was very short. The idea was to have it ready by December, and I joined the team at the end of July of the same year.
We had to plan and redo the design of the app from scratch and there were stages that we couldn't do before the launch, for example: usability test.

Results and impact:
The conversion rate exceeded the percentage we had set out to achieve. The heat maps we created of the app before and after the redesign showed us how users understood the app's features and screens. There was a positive reduction in the number of problems and bugs, and in the final user survey we conducted, we found that users of the new app were happy with the change.
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Key challenges and lessons learned:
The first was to organise and manage a team of back-end and front-end designers in different geographical locations.
Knowing how to choose the right methodology for the delivery time and how to change it if necessary when unforeseen events occur, such as a sudden acquisition of the company.

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