$39.99 - This ROK Mobile monthly plan is perfect for CDMA cell phone with clean ESN. Day Unlimited Plan, Local & Long Distance Calling, Global Texting
$49.99 - ROK mobile monthly plan is only for any unlocked GSM 4G phones, such as: iPhone 5, iPhone 5S, iPhone 6, Samsung S4 or Samsung S5. It offers 30 Day Unlimited Talk, Unlimited Text, Unlimited Data (up to 5GB 4G LTE speed then your data will be reduced), and Unlimited Music Streaming with NO Ads and Unlimited Skips). Their music streaming service is better than Rhapsody, Pandora, Spotify, Tidal or Rdio.