The best tool for UI/UX Designers to verify mobile app UI

When it comes to creating a new app, there is no doubt that your team wants to make an app with innovative design and stunning user experience.

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Checkman can help you verify if the build follows mockup accurately or not. It was born to be your assistant in UAT testing. After checking your app UI with Checkman, you can take a screenshot of any defective/imperfect screens with all remarks and share them to the development team for further improvement. Curious yet? All Checkman main features are listed as follows: - Check whether elements are aligned properly: you can drag a vertical/horizontal ruler from the left or top of a specific screen and then move it to any elements you want to do alignment checking. You also can zoom in on the screenshot of the build to make sure every pixel is perfect. - Review top/bottom/left/right padding of one element: on each ruler, we have labels that show padding. The padding can be measured by Px or Pt. - Get the exact distances among elements by dragging vertical and horizontal rulers to the sides of elements. - Measure dimensions of elements (width and height) - Check color code of each pixel: no color will be missed under Checkman’s talent. Collaboration is the core value of your team. Therefore, you need to share all issues you have figured out during your UAT testing. Developers should know what the issues are as soon as possible to fix them in a timely fashion. Just touch “shot n share” icon to capture all remarks of bugs in build’s screen and send it to your teammate. It should be a piece of cake!
Woah, great app @truonglong88! I would most certainly buy immediately being a UI Designer. Keep the good work coming. Cheers!
@3raxton thanks 3raxton, would love to hear feedback from you. Touch us at to raise your voice.
Great app already bought and playing around with it. I do have a problem with vertical rulers on the right edge though. Seems you can't pull out the side draw of options without accidentally moving a vertical line. Also, maybe I'm missing something but can you erase a single item? Seems it's just a clear all option? Minor issues aside, definitely see myself using this often.
@leon_calcutt love to hear your words Leon. I do admit the difficulty when you want to pull out the side draw without moving vertical ruler and want to fix soon. Right now we just have only one option to clear all remarks (because of easy creating remarks) but receive your idea again. Will improve it soon. Thanks again Leon.
I'm interested in your application. Unfortunately, I'm using Android phone. I'm wondering if you have android version for Checkman?
@duc_doan Right now there is no Android version of Checkman but I think Android have some similar features that can be found in Developer Mode. Thanks.