Designer Tools Pro

Contains adsIn-app purchases
4.1
14.1K reviews
10M+
Downloads
Content rating
Everyone
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About this app

Designer Tools Pro provides a suite of features to review and validate app specifications. Whether it be checking your keylines or that shade of blue, you’ll definitely want to add this app to your toolkit. Even if you provide redlines, these are a great way to verify each and every pixel.

Grid Overlay - Quickly toggle on-screen grids to check layouts for inconsistent spacing or mis-aligned elements. You can even customize the grid size, grid line and keyline colors.

Mockup Overlay - Display a mockup image over your app. This gives you a high-fidelity opportunity to see how the design spec matches the developed user interface. Choose from portrait or landscape overlays and tune the opacity for an effective comparison. You can also adjust vertical position on mockup image

Color Picker - Use your finger to drag around a loupe magnifier and identity the hex codes of colors at the pixel level you can also tap on hex text to copy it into clipboard.

Disclosure:
The app uses the AccessibilityService API to display a floating popup to enable multitasking.

No data is collected or shared using the AccessibilityService API!
Updated on
Oct 23, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
App activity, App info and performance, and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.0
14K reviews
Perfect Precision24
February 28, 2026
𝒊𝒂𝒎 𝒈𝒊𝒗𝒊𝒏𝒈 5𝒔𝒕𝒂𝒓𝒔 𝒃𝒆𝒄𝒂𝒖𝒔𝒆 𝒉𝒐𝒘 𝒉𝒂𝒗𝒆 𝒈𝒊𝒓𝒍 𝒇𝒓𝒊𝒆𝒏𝒅𝒔 ,𝑳𝒐𝒗𝒆𝒓 𝒈𝒐𝒐𝒅 𝒃𝒆𝒄𝒂𝒖𝒔𝒆 𝒘𝒆 𝒄𝒂𝒏 𝒔𝒆𝒕 𝒂𝒍𝒍 𝒂𝒑𝒑𝒔 𝑻𝒉𝒆𝒎𝒆 𝒊𝒏𝒕𝒐 𝒐𝒖𝒓 𝒍𝒐𝒗𝒆𝒓𝒔 𝒑𝒐𝒕𝒓𝒂𝒊𝒏😍😍😍😍😍𝑻𝒉𝒂𝒏𝒌𝒔 𝒇𝒐𝒓 𝒑𝒍𝒂𝒚 𝒔𝒕𝒐𝒓𝒆 𝑭𝒐𝒓 𝑴𝒂𝒌𝒊𝒏𝒈 𝒕𝒉𝒊𝒔 𝑨𝒑𝒑
8 people found this review helpful
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Hanson Ukeme
October 8, 2024
The app should be designed in such a way that it doesn't interfere whenever the phone gallery is open, when one opens any other image on social media or watching videos... The interference makes the provided options blurry
133 people found this review helpful
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abdel aziz plaza (Rashid)
September 30, 2024
The app is amazing it brings best themes for me but theres one problem that i have whenever i turned the theme off it wont go away it still stays in my screen and its been 19 days and its still there please fix this bug, thank you
57 people found this review helpful
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What’s new

Target Android 15