use zero amount as trial

configure_privat_mail.tpl

@@ -84,7 +84,7 @@
                             <p>{$LANG.orderForm.correctErrors}:</p>
                             <ul id="containerProductValidationErrorsList"></ul>
                         </div>
-                        {if $pricing.type eq "recurring"}{debug}
+                        {if $pricing.type eq "recurring" && $pricing.minprice.price->toNumeric() > 0.00}
                             <div class="field-container">
                                 <div class="form-group">
                                     <label for="inputBillingcycle">{$LANG.cartchoosecycle}</label><br />