AppAdvice has teamed up with id America in order to offer you a chance to win one of four iPhone 4 and iPhone 4S cases.

Hue

A simplistic form factor bursting forth soft pastel colors, the Hue is a vibrant way to make your iDevice stand out and stay protected. The two part design is constructed of durable polycarbonate with a silicone coating for a nice feel and grip. The Hue is available in Gray, Pink, Green, Blue, Violet, Purple, Yellow, and White.

id America Hue (Case) - iPhone 4 and 4S

Hue case for iPhone 4 and 4S by id America

Leopard

The eye-catching pattern of the Leopard easily enhances your fashion statement. Created by calligraphic-style strokes, the neon colored leopard look is painted on a form-fitted hard shell case with rubberized coating for a beautiful looking solid grip surface. The Leopard is available in Wild Yellow, Mint Blue, Lavender Purple, and Rose Pink.

id America Leopard (Case) - iPhone 4 and 4S

Leopard case for iPhone 4 and 4S by id America

Skyline

Skyline is a strong and flexible slip on case with a stylish design. Constructed of stiffened thermoplastic polyurethanes, Skyline stands out with perforations configured to resemble a city skyline, which also work well for ventilation. The Skyline is available in Matte White, Matte Black, and Matte Pink.

id America Skyline (Case) - iPhone 4 and 4S

Skyline case for iPhone 4 and 4S by id America

Gasket

Modeled after the head gasket of an internal combustion engine, Gasket’s industrial design can make anyone feel like they’ve just finished a tough accomplishment. A single piece brushed aluminum structure with suede inner lining is lightweight with a fair amount of shock and scratch protection. The Gasket is available in Aluminum Silver, Titanium Gray, Modern Bronze, Vintage Gold, Jet Black, and Rally Blue.

id America Gasket (Case) - iPhone 4 and 4S

Gasket case for iPhone 4 and 4S by id America

All cases conveniently include clear protective films for the front and rear of your iDevice, squeegee for smooth film application, and microfiber cleaning cloth. You can read our Hue for iPad review for an opinionated perspective on id America cases.

To have a chance at winning a Hue, Leopard, Skyline, or Gasket iPhone 4 and iPhone 4S case, leave a comment below telling us which case model you’d prefer before July 26 at 11:59 p.m. PDT. We will select winners at random and case color(s) will be chosen by id America. Only one entry per person is allowed. Please be sure to also check your junk email boxes so that you won’t miss out if you win.