Tools · Comparison

BlackInk vs Napkin AI vs Runner AI

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

	BlackInk	Napkin AI	Runner AI
What it is	BlackInk AI's tattoo generator helps tattoo lovers design custom, unique tattoos in seconds.	Turns written text into diagrams — flows, comparisons, timelines — that stay editable.	Create with a prompt. Runner AI runs design, testing, and optimization — automatically.
Category	Design	Design	Design
Pricing	Paid	Freemium · Free · from $10/mo	Freemium
How it bills	Not published	Flat monthly	Not published
Free tier	No	Yes	Yes
Rating	Not yet rated	Not yet rated	Not yet rated
Features	—	Text-to-diagram generation Several visual options per passage Fully editable output Style and colour control PNG, SVG and PDF export	—
What works	—	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	Diagram types are limited Struggles with complex relationships Free tier caps exports	—