Walmart offers the Apple iPhone 5s 16GB Prepaid Smartphone for Straight Talk in Space Gray or Silver for $199 with free shipping. That's $100 under our November mention and the lowest total price we've seen for this phone with Straight Talk. It features a 4" 1136x640 retina display, 8-megapixel rear camera, front camera, 1080p HD video recording, Bluetooth, WiFi, and iOS 7.