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Acorn alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Acorn: mac only, and no AI generative tools. We ranked 5 alternatives by how directly each one replaces Acorn, then by reviews, real visits and how recently each app's facts were checked against its own website. Pixelmator Pro currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1GIMP logoGIMPOpen sourceYesWindows, macOS, Linux4 of 459.6
  1. GIMP logo

    1. GIMPTop pick

    Best for: Anyone who wants a capable layered image editor at no cost, especially on Linux

    Open sourceWindows, macOS, Linux

    59.6

    score / 100

    Why switch from Acorn

    Free and open source, if you can accept a less Mac-like interface.

    Pros

    • Free and open source with no account or licence fees
    • Runs on Linux, Windows and macOS
    • Extensible with scripts and plug-ins

    Cons

    • Interface and terms differ a lot from Photoshop
    • Limited CMYK and print-production support
    • Fewer AI-assisted tools than commercial editors
    Visit GIMP Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is GIMP a good Acorn alternative?

    Verified facts

    4 of 4 verified
    Licence
    GNU GPL
    Checked Oct 25, 2026gimp.org(opens source in a new tab)
    Platforms
    Linux, macOS, Windows
    Checked Oct 25, 2026gimp.org(opens source in a new tab)
    Price
    Free
    Checked Oct 25, 2026gimp.org(opens source in a new tab)
    Main uses
    Retouching, composition, image authoring
    Checked Oct 25, 2026gimp.org(opens source in a new tab)

The best Acorn alternative for…

The highest-ranked app in this list for each need.

Pixelmator Pro logo

Best Acorn alternative for most people

Pixelmator Pro

More features and AI tools for Mac, also available as a one-time purchase.

GIMP logo

Best Acorn alternative for a free option

GIMP

Free and open source, if you can accept a less Mac-like interface.

PhotoScape X logo

Best Acorn alternative for a free plan you can upgrade

PhotoScape X

Free Mac editor for quick fixes, collages and batch resizing.

GIMP logo

Best Acorn alternative for open source

GIMP

Free and open source, if you can accept a less Mac-like interface.

Affinity logo

Best Acorn alternative for Mac

Affinity

Free for individuals, with professional photo, vector and layout tools.

GIMP logo

Best Acorn alternative for Windows

GIMP

Free and open source, if you can accept a less Mac-like interface.

GIMP logo

Best Acorn alternative for Linux

GIMP

Free and open source, if you can accept a less Mac-like interface.

Photopea logo

Best Acorn alternative for working in the browser

Photopea

Free browser editor for occasional PSD work.

Acorn alternatives: common questions

What is the best alternative to Acorn?

Pixelmator Pro ranks first right now. More features and AI tools for Mac, also available as a one-time purchase. GIMP and PhotoScape X follow it in our ranking.

Is there a free alternative to Acorn?

Yes. GIMP (open source), PhotoScape X (free plan + paid), Photopea (free plan + paid) and Affinity (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Acorn?

Yes: GIMP.

Which Acorn alternatives work on Linux?

GIMP runs on Linux.

Why do people switch from Acorn?

The complaints we hear most: mac only; no AI generative tools; less depth than Pixelmator Pro or Affinity.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Acorn, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.