xScope Alternatives
xScope is described as 'Created for designers by ARTIS Software & The Iconfactory, xScope is a powerful set of tools that are ideal for measuring, aligning and inspecting on-screen graphics and layouts' and is an app. There are nine alternatives to xScope for Mac and Windows. The best alternative is PixelSnap 2. It's not free, so if you're looking for a free alternative, you could try Red Lines Tools or Designer Tools. Other great apps like xScope are PixelStick, PixelSake, QuickLens and Ruler.
PixelSnap is an app for macOS that makes it easier for designers and web-developers to measure anything on their screens by just clicking and dragging around the cursor.
This is a collection of tools created to help developers and designers build and inspect UI. But a lot of flexible settings make this app useful for a wide range of users.
PixelStick is a tool for measuring distances and angles on the screen. Excellent for designers or anyone who wants to measure a distance on their screen in any window or application.
No screenshots yetPixelSake is Windows App to measure distance any element image on screen. It's a tool to make Web Developer / Web Designer easier to measure things so they can save more times than just measure manually the screenshot with old way.
No screenshots yetInspect your UI for colors, dimensions, angles, alignments, layouts across monitors! Do all this with a suite of tools: Lens, Ruler, Frame, Guide, Monocle and Crosshair.
QuickLens vs xScope opinions
Much better pricing for a screen ruler.
Feature-wise QuickLens is very comparable to xScope, while being offered at a much lower price!
Ruler is a lightweight tool for Windows. It allows you to measure the size and distance between elements on the screen in pixels.
EpicRuler is and app for Mac and Windows that helps you to measure any dimension or distance on your screen. It detects objects and snaps to their edges automatically. Using the snappable guidelines you can also align things quickly in any app.
Designer Tools is intended to help designers and developers with routine work. It contains a loupe tool that helps you copy the color of any pixel on the screen.
Discontinued
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pXRay is a powerful toolkit for on-screen graphics and layouts with Dimension Measure, Color Loupe, Alignment.