Yes Steem.Ninja is great! We hope to lower the price also in the future, however we are also bound by the fact that the appstores account 33% markup-fee :(
We just want to offer the 1-stop shop for being a wallet and also be able to offer account-creation!
RE: SteemWallet 1.1.0 - major updates! - In-App Payment (1-click to buy) Account Creation, Themes, Api-node switcher, Multicurrency support and bugfixes.