Tools · Comparison

BlackInk vs Khroma vs Napkin AI

All three are design tools. Here is what separates them.

	BlackInk	Khroma	Napkin AI
What it is	BlackInk AI's tattoo generator helps tattoo lovers design custom, unique tattoos in seconds.	Learns which colours you like and generates palettes from that, rather than from a rule.	Turns written text into diagrams — flows, comparisons, timelines — that stay editable.
Category	Design	Design	Design
Pricing	Paid	Free · Free	Freemium · Free · from $10/mo
How it bills	Not published	Free	Flat monthly
Free tier	No	Yes	Yes
Rating	Not yet rated	Not yet rated	Not yet rated
Features	—	Trains on your own colour preferences Palette, gradient and typography views Accessibility contrast information Save and export palettes Free	Text-to-diagram generation Several visual options per passage Fully editable output Style and colour control PNG, SVG and PDF export
What works	—	Genuinely personalised results Completely free Pleasant to use	Fills the gap between writing and drawing Output stays editable Fast to try alternatives
What does not	No free tier — it has to be paid for before it can be tried Does not publish a price on its own site, so the cost is only clear after signing up 34 other tools in this catalogue claim to do the same job 17 tools in the same category have a free tier	Requires the fifty-colour setup first Very narrow scope No team or sharing features	Diagram types are limited Struggles with complex relationships Free tier caps exports