Don't be shy... call us on 415 99 APP 94 Not in the US?
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Beautiful Design,
Serious Engineering

Alt Tab Mobile is an app design and development studio with a focus on iPhone, iPad and Android. We are obsessed with User Experience and we care about making your mobile product awesome! Get in touch

Show Me Your Stuff
Our Work
Dapsity Tinder for Job Search
21 Questions
New York based startup reinventing the mobile shopping experience for boutique fashion
Instagram for food and recipes
21 Questions
21 Questions
Social turn based game for the iPhone built on a powerful NOSQL database
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We setup a series of workshops with you to discuss the product concept, what the competitors are doing and how to get your idea to market!


Mockups of the screens help us to visualize how the app is going to work without getting bogged down in the design.


We put all of this into an easy to read product document, don't worry, this can be read by someone non-technical!


The product is brought to life with the graphical design of the user interface, yum!

#5 Coding

The nuts and bolts of the application, our world class engineering team build and test the app. You will get regular demos to play with and get involved in the process too.

#6 Go Live!

Launch the app in the App Store or Google Play...and start generating revenue too!

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The Team
Yossi Mlynsky

Yossi Mlynsky

Founder of Alt Tab Mobile, takes care of Product Management for the clients we work with. Prev. Macquarie, ninemsn, Kazaa.

Dov Tenenboim

James Kim

In close contact with startups across the East Coast of the US. Focus on New York and Toronto.

Petr Sulc

Petr Šulc

Based in London, Petr heads up our design and branding team with an eye for simple and awesome mobile user interface.

Our Clients

"Alt Tab Mobile helped us build an app that really reflected everything we had in mind"

Jorge Colindres - Founder, Orchid

"Yossi and the team really made our vision come to life"

Alex Bartzis - Founder, Cookoo

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Contact Us
Hey, you made it all the way down the page! Now really is the time for you to reach out and contact us. We take pride in our work and care about your product. Start the journey to create the product of your dreams...

Want to turn your idea into real app?


Phone: (415) 992 7794
425 2nd St, Suite 100
San Francisco, CA

Toronto Canada

Phone: 1-866-456-0292
1550 Sixteenth Avenue Suite 201B
Richmond Hill, Ontario,
Canada L4B 3K9


Phone: (02) 8006 4613
Level 2, 101 William St,
Darlinghurst, NSW, 2010
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