T-Mobile just launched a plan for tourists visiting the USA. Go into any T-Mobile store with an unlocked GSM phone and buy this $30 plan. It is active for 3 weeks and does not auto-renew.
- You get 2GB of LTE data
- Unlimited texting to 140 countries
- 1,000 minutes of domestic calling
- a free SIM card
This will complete directly with companies like Roam Mobility and KnowRoaming. Let's see if they respond with cheaper plans.