Which specific International Calling Card is better (quality-wise and minute-wise)?

Question

I'm currently attempting to call my girlfriend in Bulgaria (long calls) and don't know which of these calling cards are better.

*Note that I obtained these card names from the following websites:

http://bestratescall.cloncom.com/

Card Names:

1) Pingo

2) Jupiter

3) Cheap Street

4) Penny Boss

5) Super Saver

Answer 1

it matters from where you calling from different calling cards have different calling rates in different countries  http://cheap-callingcards.nikenya.com/ch...

Answer 2

This card is much better http://www.telthreeadvantage.com

No fee at all, no tax, best rates, can call from any phone + bonus

Answer 3

I'm currently using http://minicalls.com

here are my reasons:

1. free minutes on sign up

2. cheap rates

3. good quality

4. no fees whatsoever

5. minutes don't expire

Good luck!