JetBrains

Whichever technologies you use, there's a JetBrains tool to match.

AppCode - Commercial annual subscription
From €236.81
(tax incl.)
AppCode 2018.1 supports the first big part of Swift 4.1, and provides better completion and navigation for implicitly imported Swift modules and Objective-C frameworks used from Swift. It also offers Quick and RxSwift support, improved parsing and resolve for OCMock, and support for wireless debugging and location simulation.
DataGrip - Commercial annual subscription
From €236.81
(tax incl.)
AppCode 2018.1 supports the first big part of Swift 4.1, and provides better completion and navigation for implicitly imported Swift modules and Objective-C frameworks used from Swift. It also offers Quick and RxSwift support, improved parsing and resolve for OCMock, and support for wireless debugging and location simulation.