A4C offers the Bike4 Bicycle Mount for iPhone 4/4S in White for $9.95 with free shipping. That's tied with our January mention and the lowest total price we could find by $3. This waterproof case attaches to your bike's handle bar and features a fish-eye lens and openings for the headphone jack and camera.
Saving money doesn't always mean drudgery and sacrifice. These tools make it easy — sometimes even fun.