The best alternatives to CARBON are BLACK, Lens Distortions, and Hueless. If these 3 options don't work for you, we've listed a few more alternatives below.
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Photo Toon is a photo to cartoon app that lets you turn your picture into cartoon style drawing in just one tap. Then you can edit the result using the in-app image editor before share it or save on your device.
YAY! ToonApp AI Cartoon Photo Editor is here! Cartoon yourself easily in one tap with amazing filters thanks to AI technology! :) Finalize your photo edit with beautiful toon backgrounds. Turn your pictures into artistic paintings just in seconds! :)