A monthly membership plan at CzechTwins.com, part of the Czech AV network, is regularly priced at $29.95 however you can save up to 45% if you purchase the 6-month plan. The cost of this 180-day plan is just $99.95 which is equivalent to a monthly fee of $16.65. A 3-month plan is also offered for $64.95, the same as paying 21.65 per month. With this quarterly membership plan, you save 28%.