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Concept design for a travel scenario app with a calling feature for iPhone. Used for a conceptual showcase slide show for Rebtel Developers.

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Max Hellstrand

A desktop background, tried out creating wooden texture from scratch. Dated 2011.

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Max Hellstrand

Rebtel, iPhone after call screen. Designed to entice users to keep calling a contact using the application, forming a habit of it. Helped in raising RC (Reoccurring Calling) with 9.5% and also helped referral. Launched January 2013.

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Max Hellstrand

Rebtel, iPhone few Rebtel contacts. Designed to entice users to invite friends when they have few contacts using Rebtel.

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Max Hellstrand

Rebtel, iPhone low credit banner. Designed to entice users to invite friends when they are running low of credits in order to earn new free credits. One of three factors which raised referral (Organic growth through user invites) with 12.5%. Launched January 2013.

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Max Hellstrand

Rebtel, iPhone introduction / tutorial slide show. Designed to entice users to make the initial free test call. One of the factors which raised initial call rate with 15%. Launched January 2013.

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Max Hellstrand

A concept illustration I did for the Rebtel developer portal. 2013

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Max Hellstrand

Concept proposal for Forest poster

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Max Hellstrand

Concept design for a word game on iPad. Used for a conceptual showcase slide show for Rebtel Developers. Used in the Rebtel developers portal showcase slide show. developer.rebtel.com

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developer.rebtel.com

Desktop background, 2011.

Saved by

Max Hellstrand