When comparing dot big bang vs 3D-Coat, the Slant community recommends 3D-Coat for most people. In the question“What are the best voxel editors?” 3D-Coat is ranked 5th while dot big bang is ranked 21st. The most important reason people chose 3D-Coat is:
3D coat is also known in the game industry to be a great app to preform retopology.
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Pros
Pro Free and without an install
You don't need to install a massive program - you can use it in your browser.
Pro Cross-play on any device with a browser
People can be on a phone, Chromebook, tablet, Windows PC, Macbook, etc, and still, work together in real-time.
Pro Multiple people can edit at once
You can build with your friends and see what they are doing in live time.
Pro A known app for retopology
3D coat is also known in the game industry to be a great app to preform retopology.
Pro Link to Photoshop, or any app that can open PSD files
You can save and open your texture work in apps like Photoshop, work on them and send them directly back to 3D coat. It will remember your layers and update.
Pro Professionals recommend 3D Coat for Handpainted textures
You can texture in many styles with this app, but when it comes to Handpainting, as seen in World of Warcraft and Torchlight, 3D Coat is the one that many professionals will advice you to as their top choice.
Pro PBR materials
3D Coat supports the creation of your own PBR materials that are ready to be used in the PBR workflow.
Pro Voxel sculpting
Voxel sculpting is entirely free from the bounds of polygons and topology.
Pro A fast and fun way to UV
3D coat has made UVing my work go super fast and it's actually quite fun because you're finished in a breeze.
Cons
Con Not a voxel program
This is a paid texture program. Why is it in this list?
Con Voxel sculpting hits your system
Voxel is quite heavy on your computer, if you intent to use this as your main model and sculpt app do enough research to see if your computer can handle it and if you have the right graphic card for it. If you really have doubts , just go ask in the forums.
Con 7 layer restriction in the affordable version
The cheapest version available only lets you paint on 7 layers, which is very unfortunate.