When comparing Awesome Bump vs Substance Bitmap2Material, the Slant community recommends Awesome Bump for most people. In the question“What are the best programs for making height maps, normal maps, and/or other maps?” Awesome Bump is ranked 1st while Substance Bitmap2Material is ranked 4th. The most important reason people chose Awesome Bump is:
Supports great features, such as the addition of grunge maps, supports tessellation, and has a beautiful 3d view port.
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Pros
Pro Feature complete
Supports great features, such as the addition of grunge maps, supports tessellation, and has a beautiful 3d view port.
Pro Free and open-source
Being open source, along with the price of nothing makes this software very compelling to use.
Pro Cross platform
This software is cross platform, so you can integrate it into your work flow without worrying to much about your operating system (Linux, Mac, and Windows).
Pro Generates several outputs from a single image
B2M generates any output that you may need from a single image automatically (base color, normal, metallic, roughness, ambient occlusion).
Cons
Con Confusing
The first few times using the software, you may have a hard time getting what you want. That is mostly due to the slew of features, and slightly confusing interface.
Con Doesn't run on MacOS
Con Requires open GL 3.30 or higher
Although the pbr view port looks great, it does come with the drawback that you will have to have support for open GL 3.30 or higher, and set it up before hand (if its not already set up on your computer).
Con Comes at a price
Sets you back over 100 dollars.
Con Not a complete tool
B2M will only allow you to create a normal map from an existing image. You cannot create a custom texture from scratch with it.