Do not send any Steem or Steem dollars to Poloniex.
They will not be deposited at this time.
I have 50 SBD 'stuck' myself.
Right now an SBD is worth $12 so it's $600. That's a decent sum of money.
I do consider this money gone as I always do with any crypto of which I don't own the private key.
In case the SBD does come back I'll let you know.
Bittrex works but also be careful here. In the past, their wallet has broken down too.
Send small amounts per transaction is what I would recommend.
If you want to buy Steem with your SBD use the internal Markets.
$0.15 SBD = 1 STEEM.
Update on Steemify
The Beta of the app has been approved but the final version (for in the store) bounced on review. Apple wants us to provide a username and password.
Which is interesting because our app only uses Steem usernames for notifications.
Our dev is in contact with Apple to solve this.
I did make a small video update of the app not long ago.
Here it is if you missed it.