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Phase 2

For people on-the-go, Voca lets them send text messages by voice, eliminating the need to type.


Phase 2

In phase 2 we implemented user feedback from phase 1 to refine the product. We also introduced features for a new kind of user: the driver.


The users

the Users

The target users for Phase 2 were people that want to answer messages while On-the-Go, literally. We focused on truck drivers who are forced to spend long hours on the road, as well as busy professionals who have a long daily commute and want to put that time to better use. 

User Flow

The main challenge going from Phase 1 to Phase 2 was the user flow. Answering texts while driving called for a much simpler flow, one that did not require the user to squint at tiny font to read their incoming messages, or click five buttons before they could reply. In order to solve this problem we created another screen, one that would play incoming messages out loud, with a large button for responding easily. 


Design Process

The play message screen is simple on purpose. This is a screen that most likely will never be used except for driving, so it has a minimum number of options with extra large buttons that are easy to tap without requiring too much attention. 

Initial sketch of new screen that would read incoming messages. 


Current draft of incoming messages screen. Buttons are large to be easy to hit while driving. 

I experimented with other ways to allow the message to be played, but both the dictation screen and message thread had too much information already. Plus, we did not want to ruin the simple user experience for the users that were using the app only for its basic feature (texting by voice).


Other Changes: Motion Sensors

In order to make the contacts screen and dictation screen more appropriate for driving, the screens had to be responsive to when a person is driving. We developed Voca to detect the driving motion, which enlarges texts to make it easier to read while On-the-Go.

Voca detects driving motion and automatically makes text much larger.



Voca's user base is varied, as well as their use of the product features. Some love it for driving, while others ask us to add more features suitable for driving, such as read-back before sending. 

Looking back, one thing we could have improved on was to spend more time on the new user at the beginning of Phase 2. 

This app is great! I love that if you dont want to speak your texts at the moment you dont have to jump through firey rings with glass on the other side to switch to keyboard I made this my default messaging app mainly because I drive a truck and its safer to speak texts this app does what I need with Big buttons so I dont have to squint to send a message
— Tom Steketee, Playstore Review