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Alternatives · Windows & Launchers

Mosaic alternatives

As of Nov 12, 2026, the highest-graded Mosaic alternative is Rectangle (2.8 GPA). It's also the best free one.

Mosaic compared with 4 alternatives: Magnet, Rectangle, Moom and SizeUp.

Mosaic is a paid product with a free trial, starting at £14.99 one-time (Standard Edition). 1 of the 4 alternatives is free or has a free plan. 2 more offer a free trial.

Listings checked up to Nov 12, 2026 · Where the facts come from

Black Friday: is there a Mosaic sale?

At a glance

ToolPriceFree planRuns on
MosaicThis toolFree trial · from £14.99 one-timeTrial onlymacOS
MagnetFrom $4.99 one-timeNomacOS
RectangleFreeFreemacOS
MoomFree trial · from $15 one-timeTrial onlymacOS
SizeUpFree trial · from $12.99Trial onlymacOS

How each one differs from Mosaic

  1. Magnet

    Window snapping for Mac by drag, shortcut or menu bar

    • Magnet starts at $4.99 one-time purchase (US Mac App Store).
    • Magnet also covers menu bar app.

    Suits: Mac users who want simple window snapping for a small one-time price

    Magnet vs MosaicMagnet pricing and details

  2. Rectangle

    Free, open-source window snapping for macOS

    • Rectangle is free.
    • Rectangle has a free plan, which Mosaic lacks.
    • Rectangle is open source, according to its own site.

    Suits: Mac users who want window snapping by shortcut or drag at no cost

    Rectangle vs MosaicRectangle pricing and details

  3. Moom

    Mac window manager with saved layouts, snapping and a palette

    • Moom starts at $15 one-time purchase.
    • Moom also covers menu bar app.

    Suits: Mac users who rearrange the same windows each time they dock a laptop

    Moom vs MosaicMoom pricing and details

  4. SizeUp

    Keyboard-driven window resizing for the Mac

    • SizeUp starts at $12.99.
    • SizeUp also covers menu bar app.

    Suits: Mac users who prefer keyboard shortcuts to dragging

    SizeUp vs MosaicSizeUp pricing and details

Limits worth knowing in Mosaic

  • Priced in pounds; checkout shows the equivalent in other currencies, so the dollar amount is not on the page.
  • Mac only, requiring macOS 10.13 or higher.
  • The vendor says major upgrades may carry an optional fee.
Mosaic pricing and details

Common questions

What are the alternatives to Mosaic?

The alternatives to Mosaic in this directory are Magnet, Rectangle, Moom and SizeUp. Each one has a side-by-side comparison with Mosaic.

Is there a free alternative to Mosaic?

Yes. Rectangle is free to use.

Is there an open-source alternative to Mosaic?

Rectangle is described as open source on its own site.

When were these prices checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.