Here's a quick summary about the difference between SMS1.0 and SMS2.0:

SMS1.0 is the default account that you are redirected to after you log in. Also;

1. Your sms units have a lifetime validity or does not expire
2. You are billed an average charge of N2.50 to all networks in Nigeria
3. You enjoy up to 100 FREE SMS daily on your account.
4. You cannot view the delivery report of each of the phone numbers you send your sms to as bulk messages are sent in batches of hundred.
5. Your account is billed for sms sent to any phone number whether it is properly formatted or not.

 SMS2.0 is a much cheaper plan and with the following details;

1. Monthly access fee of N500
2. Credits do not expire
3. Bills N1.50 to MTN numbers only
4. Your account is billed for only correct and properly formatted phone numbers.
5. Minimum recharge of N500 per time
6. You can view the delivery report for each phone number you send your sms to in your Message History; this will allow you delete wrong or incomplete phone numbers which were not delivered to and save you credit in the long run.