Voilà Charts vs Diagram Smith

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Voilà Charts compared with Diagram Smith
Detail	Voilà Charts	Diagram Smith
What it does	Not given	Free online tools for flowcharts, charts, diagrams and timelines with no sign-up
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 10 charts, all chart types and styles, no account required. Launch license: $14.99 one-time payment for unlimited charts, custom logo, and no Voilà mark. $19.99 after the first 100 licenses.	Free: no account required, all diagram and chart makers, PNG/SVG/PDF export, no watermark. Pro: Monthly $9.99 a month, Yearly $99.99 a year with 7-day free trial, Lifetime $239.99 once. Euro area: €10.99 a month, €109.99 a year, €259.99 once (VAT included).
Key features	Automatic chart type detection from data Support for links, screenshots, CSV, Excel and text files Bar, line, pie and combo charts Compare two data sources on one chart Custom branding with logo and color palettes One-click customization of chart elements Export and save charts No data collection or cloud storage	Flowchart and process diagram maker with canvas and text-to-diagram modes Text-to-diagram tools for UML, ER and sequence diagrams Chart tools: pie chart, line graph, gauge and Sankey diagram Automatic diagram layout from typed text Export to PNG, SVG and PDF without watermark Share diagrams with share links Pro: editable .drawio export and vector PDF Pro: multi-page documents and layers Diagram checks for unlabelled branches and dead ends Works on phone and computer
What makes it different	Instantly create professional charts by pasting a link or table One-time purchase with no subscription required All data processing happens locally on your Mac Pre-styled charts that require no design skills Ten free charts before requiring a license	Completely free with no account required and no watermark on exports Nothing uploaded: all work stays on your device in your browser Results computed by the same tested code, not manually typed Multiple export formats: PNG at 4 sizes, SVG and PDF Converts between formats: Mermaid to draw.io, SQL to ER, Visio to flowchart
Community votes	1	0
DR (Domain Rating by Ahrefs)	28 +9 (up) since last check	2 no change since last check
Trust Flow (Majestic)	35	0
Citation Flow (Majestic)	35	19
Referring domains (Majestic)	146	4

4 details filled in for both companies.

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