This is not the first time a failed/stuck exchange has a user screaming "unsafe".
The conclusion is typically false.
ALL stuck or failed exchanges are always promptly refunded or pushed by our partner instant exchanges, Shapeshift and Changelly.
Consult the following article:
https://coinomi.freshdesk.com/support/solutions/articles/29000009723-how-to-failed-pending-exchangesWe would appreciate if you paste the Ticket ID here or contact me personally on TG @angelos_coinomi
We will do our best to expedite your exchange with our partner.
Thank you.