The iOS application has an issue in the interface in WAVES/WCT and WAVES/MRT pairs.
Consequently, orders are executed immediately at the market price. For a temporary solution, please use the Web Client - https://client.wavesplatform.com for WAVES/WCT and WAVES/MRT pairs.
We apologize for any inconvenience. The bug has been fixed in version 2.1.1. The application will update automatically and shortly.
Customer support service by UserEcho