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We know apps.

Treble is a small mobile prototyping team with big project experience.

We’re a passionate team building our own products and helping a select group of clients bring ideas to life in a prototype.


Bounce is the fast, beautiful Dribbble client you've been waiting for. Its elegant, lightweight interface was crafted with designers in mind.

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Bounce Screenshot


Knit is a simple iOS app that allows you to leave a hidden note at your current location.

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Knit Screenshot

Loser Does What?

A game for iPhone and Apple Watch where friends compete to not finish last.

Coming Soon
Loser Does What? Screenshot

It all starts with a prototype.

Building mobile products is about figuring out what works as quickly as possible. We can help you create a prototype that can be validated via usability testing, used to pitch investors and partners, and leveraged as a low-risk learning experience as you refine your product.

Case Study: Givesome

The ambition of Givesome is huge: to change the way we think about giving and to keep donors connected throughout the life of a project. Our objective was to enable giving and connection through a mobile experience that is rewarding for donors as it is effective for fundraising.

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This project started with a collaborative planning session and the production of low-fidelity sketches for each screen. Sketching on sticky notes allowed us to simultaneously construct the user journey with our client.

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Our next move was to add detail to the sketches by creating a set of core interfaces that would allow us to create an accurate prototype.

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We used the screens created in the design phase to build a functional prototype for review by our client and potential investors. Our client was able to leverage the prototype to secure financial support in order to move the project to development.

Try it out!

Let's work together

We’re currently seeking a limited number of client engagements. Connect with us to start discussing your idea and how we can help realize it.

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