When comparing Loom SDK vs RPGMaker, the Slant community recommends RPGMaker for most people. In the question“What are the best 2D game engines?” RPGMaker is ranked 28th while Loom SDK is ranked 45th. The most important reason people chose RPGMaker is:
It's possible to create a game with absolutely no art or coding skills, so even complete beginners can make something.
Specs
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Pros
Pro Live reload of code and assets across multiple platforms
Loom can live update changes in realtime, allowing you to see them on multiple devices immediately.
Pro Powerful command line workflow
Loom Turbo ($5/mo) gives access to powerful command line tools. For example, "loom new" to make a new project, "loom run" to run it. Packaging, deploy, and live reload are done automatically for you.
Pro Open source
The Loom runtime and LoomScript compiler are open source, with code available on GitHub, allowing you to have the freedom to fix the bugs and add the features your game needs.
Pro Examples
Loom includes over 30 examples ranging from complete sample games to demos of single features.
Pro Familiar and powerful scripting
Loom's scripting language is immediately familiar if you know JavaScript, ActionScript, TypeScript, C#, or Java. Internally, it uses a proven VM technology with over 10 years of heavy use in games.
Pro Good support
Loom devs are helpful.
Pro Cross-platform
Loom can deploy to Windows, OS X, Linux, iOS, Android (including Nook, Kindle Fire and Ouya). There are also custom port available for WP8, Blackberry and consoles.
Pro Easy to jump into using an intuitive WYSIWYG editor
It's possible to create a game with absolutely no art or coding skills, so even complete beginners can make something.
Pro Large and active community
The engine has seen multiple iterations since 1995, so a large online community exists that is always willing to help each other out.
Pro Ruby / Javascript support provides depth to more experienced developers
With a script editor that uses a modified version of Ruby, it's possible to go well beyond the traditional RPG with this engine. Note: XP and VX use Ruby, the latest version "MV" uses Javascript for scripting.
Pro It's an open engine
It's possible to use custom editors from the community, edit libraries,include libraries,etc (MV Only)
Pro Multi-platform
MV supports HTML5 exports, so it is easier than ever to make your game work on iOS, android, OSX,Linux or Windows.
Pro Inbuilt database and multplayer plugins, providing you the scalfolding to customising your projects with ease
The inbuilt database which binds to game saves or can be made persist allows great power within your logic. Also a plugin called 'Alpha.net' provides multiplayer. This combination can allow great customisation of the engine, allowing a powerful 2D game to be made with little to no coding experience.
Pro Greater Map layers
MV Mapping uses an additional layer to create better depth.
Pro MV has HTML5 export
You can now HTML5 export your projects, so you could theoretically host your game on your webserver, and have your friends play the game without ever having to install a single thing.
Pro A cheap license that allows using the software commercially
There are several versions of RPG maker, with MV being the latest and most fully featured: MV ($79.99), VX Ace ($69.99), VX ($59.99) and XP ($24.99), 2003 ($19.99).
Cons
Con Documentation is lacking
Con No visual tools support
There's no level editor, asset viewer or any other visual tools in Loom SDK. Everything has to go through command line. I think it's fine if you really like typing.
Con You have to code when you want something didn't built in
You know,RM series' default walk animation only has three frames.If you want to enhance,you have to code by yourself——especially majority of it's user are newbies.
Con No Hardware accelerate
You'll get a bad performance when you have big animations,especially in MV,which can easily change into higher resolution.
Con No 3D support
None of them have 3D support, it is possible only with manual scripting which could be difficult for beginners.
Con MV Does not have a "REAL" Android export.
MV has an export to HTML5 - which can run on any browser including android. It is however not a "native" app export.
Con Inconsistent included visual assets
Included visual assets within MV have inconsistent presentation. Though RPMMV does contain enough to make a small basic title, the visual assets don't often look like they should be mixed on-screen.
Con No built-in realtime battle system
RPG Maker series has only turn based battle systems, unless scripts/Plugins made by the community are used.
Con Conversion to MV difficult
Older iterations of RPG Maker use smaller sprite sizes that require manual conversion to use older RTP assets and older assets are more robust.