Yes, 50bt will get you the naked SIM, but if you want to make calls, or connect to the Internet you need to charge it.
The 1000bt quoted includes 30 days of Internet access with a 1 - 2 GB traffic included and 200-300bt of additional phone credit for calls and sms.
From that perspective 1000bt don't look too bad anymore.
Yes, 50bt will get you the naked SIM, but if you want to make calls, or connect to the Internet you need to charge it.
The 1000bt quoted includes 30 days of Internet access with a 1 - 2 GB traffic included and 200-300bt of additional phone credit for calls and sms.
From that perspective 1000bt don't look too bad anymore.