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SPECIFICTION
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iDesign vs Linearity Curve

iDesign

touchapp.com

Linearity Curve

linearity.io

Side by side

FigureiDesignLinearity Curve
Price from$3.33/mo$8/mo
Free plan—Yes
Free trialYes—
Open source——
macOSYesYes
iOSYesYes
Plans published36
Spec score · Vector Graphics Software7.8 (#23)8.7 (#8)
IntegrationsThe listing says designs sync automatically via iCloud with XDesign for Mac and lists Dropbox support for importing and exporting.Curve integrates with Brandfetch, Unsplash, SF Symbols, Icons8, Figma, Illustrator, and Sketch.

Plans

iDesign

  • Monthly Subscription$6.99 a month
  • Yearly Subscription$39.99 a year
  • Lifetime$79.99, paid once

iDesign pricing →

Linearity Curve

  • FreeFree
  • Starter$8 a month
  • Pro$8 a month
  • Business$65 a month
  • EnterprisePriced on request
  • Studio$25 a month

Linearity Curve pricing →

In their own words

iDesign

iDesign has no write-up on Specifiction yet; its figures are above.

Visit touchapp.com

Linearity Curve

Linearity Curve is a design app for vector and raster artwork, with illustration tools, templates, brand kits, and presentation design. Native apps run on iPad, Mac, and iPhone; supported systems include iPadOS 14 and macOS Big Sur or later. Users can edit PDFs as Curve files, including transforming, annotating, and signing them, then export to PDF, SVG, EPS, and other print or digital formats. AI tools include background removal, AI Grab, and Magic Eraser. Core design features, local files, and exports work offline, though cloud features may be limited. Users can switch among personal, team, and client workspaces and share files across devices, but real-time collaboration is not available. The free plan includes 250 lifetime credits, one basic brand kit, and 5GB of cloud storage, with no credit card required. Paid plans start at $8 per month billed annually, and a seven-day trial is listed. Students, teachers, schools, and institutions save 58% on the yearly Pro Plan. Files are not used for AI training unless users opt in within the app.

Visit linearity.io