HackerRank
LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
AppScreens
AppLaunchpad
Previewed
AppMockUp
Screenshots Pro
App Screenshot Maker
Placeit
Screenshot Studio
AppScreens is a screenshot production workflow for app teams that need polished, localized, store-ready screenshots without losing hours to manual design, resizing, translation, exports, and uploads.
Developers, founders, marketers, ASO teams, agencies, and product teams use AppScreens to turn real app screens into professional App Store and Google Play screenshots from one editable project. Start with a template, add AI captions, apply device frames and brand styling, localize across 80+ localizations, create ASO variants, then export or upload the correct store-ready assets.
One screenshot set can quickly become hundreds of files once you add iOS and Android device sizes, tablets, feature graphics, languages, experiments, and future app updates. AppScreens turns that work into a repeatable workflow teams can reuse across launches, UI updates, new markets, Product Page Optimization, Custom Product Pages, Google Play experiments, and store uploads.
Raw screenshots show the interface. AppScreens turns them into store creative that explains the value, supports localization, and helps teams test better screenshot ideas faster.
Trusted by 150k+ app pros with 10M+ screenshots exported.
HackerRank AppScreensHackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
AppScreens's answer:
AppScreens is built for repeatable screenshot production, not just one-off mockups.
Teams should choose AppScreens when they need to create polished App Store and Google Play screenshots across sizes, languages, variants, releases, and upload workflows from one editable project.
Unlike generic design tools or simple screenshot makers, AppScreens combines:
It is built for developers, founders, marketers, agencies, and product teams that want store-ready screenshots without rebuilding every file by hand.
AppScreens's answer:
The primary audience for AppScreens is app teams that need professional, store-ready screenshots without losing hours or days to manual screenshot production.
AppScreens is especially useful for:
These teams use AppScreens to turn real app screens into polished App Store and Google Play screenshots, localize them across 80+ localizations, create ASO variants, and export or upload store-ready assets from one editable project.
AppScreens's answer:
AppScreens uses a combination of responsive design technology, AI-assisted content workflows, localization tooling, and app store upload integrations to help teams create store-ready screenshot assets.
Key technology areas include:
AppScreens's answer:
AppScreens is unique because it combines screenshot design, localization, ASO variant creation, export, and upload workflows in one repeatable project.
Instead of creating separate screenshot files for every device size, language, store, and experiment, teams can create one editable project and generate store-ready assets for App Store and Google Play.
AppScreens supports responsive resizing, AI captions, AI translation across 80+ localizations, RTL support, automatic text resizing, per-language screenshot changes, professional templates, device frames, high-resolution PNG exports, App Store Connect upload, Google Play workflows, and ASO variants for PPO, Custom Product Pages, and Google Play experiments.
That makes AppScreens stronger than generic design tools or one-off screenshot generators when teams need screenshots that stay reusable across launches, app updates, localization, and testing.
AppScreens's answer:
AppScreens was built by app developers who were tired of losing release time to screenshots.
Every app launch, product update, localization push, device change, ASO test, and store upload created more manual work: new sizes, new captions, new exports, new languages, and new chances to make mistakes.
AppScreens was created to turn that work into one repeatable workflow. Teams can start with real app screens, add templates, AI captions, device frames, brand styling, localization, and ASO variants, then export or upload store-ready assets for App Store Connect and Google Play.
The goal is simple: screenshot production should feel like a build artifact. Update once, generate every size and language, then publish with confidence.
Based on our record, HackerRank seems to be a lot more popular than AppScreens. While we know about 67 links to HackerRank, we've tracked only 3 mentions of AppScreens. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice if anyone know any alternative that works like Working: Gives a challange User sumbits code and it test into testcases. Source: almost 3 years ago
An effective way to improve your JavaScript skills is working through coding challenges and exercises. Sites like ReviewNPrep, FreeCodeCamp, and HackerRank have tons of challenges that allow you to practice JavaScript concepts by building mini-projects and solving problems. These hands-on challenges force you to apply what you learn. Source: almost 3 years ago
I'm 18M Indian. Growing up I've always been a daydreamer, if you may. Since 8th grade - I'm fascinated by programming. And I'm good at it too. But I'm not cocky too. I wouldn't say I'm at an advanced level, but I can most probably solve any problem - in time - with my skills. I also keep my skills brushed by solving problems on Hacker Rank (every day or alternate days) and try my best to contribute on... Source: almost 3 years ago
Usually, my designer does this for me. But maybe this is close to what you're looking for https://appscreens.com/. Source: almost 4 years ago
After the app ideation, the code, and a bit of testing here and there, it was finally time to get it out there, on the Google Play Store to be more specific, though the App Store version will be coming out soon enough. Doing that involved generating an app icon, app screenshots, a feature graphic, and some catchy text of course. For the app icon, I found Canva to suffice my requirements, though there are obviously... - Source: dev.to / over 4 years ago
Check out appscreens.com for great tools in making clean screenshots. Source: over 5 years ago
LeetCode - Practice and level up your development skills and prepare for technical interviews.
AppLaunchpad - Create stunning app store screenshots & mockups
Codility - Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
Previewed - Beautiful mockups & graphics for your next app
CodeSignal - CodeSignal is the leading assessment platform for technical hiring.
AppMockUp - Create the most compelling screenshots for your app.
