The cost for 4 users of BatPost is 19.95 x 4 which means 76 Euro, because there is no offer to buy it straight for 4 users. For a minimum of 25 licenses, the price goes to 17.50 Euro/license.
I recommend checking the official website where you can see all the licensing options: https://www.ritlabs.com/en/products/batpost/order.php
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The cost for 4 users of BatPost is 19.95 x 4 which means 76 Euro, because there is no offer to buy it straight for 4 users. For a minimum of 25 licenses, the price goes to 17.50 Euro/license.
I recommend checking the official website where you can see all the licensing options: https://www.ritlabs.com/en/products/batpost/order.php