When comparing CRM32Pro SDK vs SpriteKit, the Slant community recommends SpriteKit for most people. In the question“What are the best 2D game engines?” SpriteKit is ranked 54th while CRM32Pro SDK is ranked 91st. The most important reason people chose SpriteKit is:
Easy to access in Xcode.
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Pros

Pro Great tools included
EditorDPF: resource editor for managing images, tiles, sprites, sounds, etc. of your game
MSTE: tile-based parallax scrolling engine with support to Tiled Qt .TMX files
SetupProject: customized configuration system.

Pro Cross-platform
CRM32Pro works on Windows, Linux and MacOS X.

Pro Open source and free
CRM32Pro is licensed under LGPL license with full access to the source code on the website.
Pro Built-in in Xcode
Easy to access in Xcode.
Pro Awesome performance
One of the most efficient frameworks. If you need to build an iOS game, this is the best solutions.
Cons
Con Not as beginner friendly
C/C++ skills and general knowledge of SDL and basic game programming is required in order to get all the benefits.
Con Restricted in apple ecosystem
This is an Apple technology and its use is restricted to iOS and OSX systems.
