Flawless App

.header__container-wrapper { height: auto; } .header__container { position: relative; } .split__img--right { background-image: url('https://waybackassets.bk21.net/20200807034634im_/https://flawlessapp.io/images/brightblue/img-main-implementation.png'); background-repeat: no-repeat; } .split__img--left { background-image: url('https://waybackassets.bk21.net/20200807034634im_/https://flawlessapp.io/images/brightblue/img-main-design.png'); background-repeat: no-repeat; } .how-it-works__preview-wrapper { height: 360px; background-image: url('https://waybackassets.bk21.net/20200807034634im_/https://flawlessapp.io/images/brightblue/img-macos-how-it-works.png'); background-size: cover; } .review-list:after { top: 64px; } .review__btn { display: none; } .review-list__item { margin-bottom: 16px; } .js-trial { position: relative; } .js-trial:after { content: 'Enable Javascript first'; position: absolute; bottom: -16px; left: 0; width: 100%; font-size: 8px; text-align: center; }

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How it works

Flawless App is integrated right inside your iOS simulator as a plugin. It allows you to fix visual issues on the fly, before they cost you time and money.

No need to distract your development workflow by adding any third-party library. Flawless App works out of the box, without any additional setup.

Upload
Select any image or Sketch file and it gets overlayed inside iOS Simulator.
Compare
Choose comparison mode to spot any visual differences between the expected design and real app.
Share with team
Generate a GIF of comparison. Share it with your team to save time on design review.

Using Flawless App, I don't have to wait for designers to point out any mistakes I made while building a UI – I can find them and fix them myself, while I’m still working on it. I highly recommend trying Flawless App out, to see just how much quicker it can make your UI development.
John Sundell, Creator of Swift by Sundell
Flawless App is an app with precisely one purpose: to make it easy for developers everywhere to make pixel-perfect layouts. It’s designed to do one thing, and it does it extremely well.
Paul Hudson, Creator of Hacking with Swift
Flawless App helps me to figure out how close is my final app to initial design and it limits the visual bugs, if they appeared.
Peter Witham, freelancer