Software Alternatives, Accelerators & Startups

Hackr.io VS DevPrep.app

Compare Hackr.io VS DevPrep.app and see what are their differences

Hackr.io logo Hackr.io

There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.

DevPrep.app logo DevPrep.app

Two-way AI voice interview practice for developers and devops
  • Hackr.io Landing page
    Landing page //
    2023-05-08
  • DevPrep.app Landing page
    Landing page //
    2026-07-14
  • DevPrep.app Flashcards
    Flashcards //
    2026-07-14
  • DevPrep.app Categories
    Categories //
    2026-07-14
  • DevPrep.app Interview Question
    Interview Question //
    2026-07-18

DevPrep.app is a two-way AI voice interview simulator for developers. Unlike other interview prep tools where you type your answers, DevPrep.app actually talks back the AI asks you a technical question out loud, listens to your spoken answer, gives feedback, and asks follow-up questions just like a real interviewer would. Also includes 500+ flashcards across Azure, C#, React, TypeScript, Docker, Kubernetes, Python, SQL, Terraform and more, with progress tracking and review mode. Free tier available. Works in your browser no app install needed.

Hackr.io

Website
hackr.io
$ Details
-
Platforms
-
Release Date
-

DevPrep.app

$ Details
freemium ยฃ7.99 / Monthly (All cards, progress tracking, 20 desktop & 5 mobile interviews)
Platforms
Web Mobile
Release Date
2026 July
Startup details
Country
United Kingdom

Hackr.io features and specs

  • User Recommendations
    Hackr.io curates tutorials and resources based on user recommendations, ensuring that the listed resources are practical and trusted by the developer community.
  • Wide Range of Topics
    The platform covers a vast array of topics including programming languages, frameworks, libraries, and industry-specific skills, which helps learners find resources for nearly any area of interest.
  • Community Engagement
    Users can upvote and comment on tutorials, contributing to a sense of community and helping to surface high-quality content.
  • Filter and Search Options
    Hackr.io provides robust filtering and search functionalities, making it easier for users to find specific courses and resources that match their skill level and learning preferences.
  • User Ratings and Reviews
    Each listed resource includes user ratings and reviews, giving potential learners insight into the quality and effectiveness of the material.

Possible disadvantages of Hackr.io

  • Limited Original Content
    Hackr.io mainly acts as an aggregator, providing links to external resources rather than offering original content. This sometimes requires users to navigate away from the site to access tutorials.
  • Inconsistent Quality
    Since the resources are submitted and recommended by users, the quality of the tutorials can vary significantly. Some may find that not all recommended resources meet their standards.
  • Dependency on User Contributions
    The platform's effectiveness relies heavily on active user participation. If user contributions decline, the freshness and relevance of the content could suffer.
  • Ad-Supported
    The site includes advertisements, which might be distracting or annoying to some users.
  • Navigation Complexity
    Given the extensive amount of content, users might find it overwhelming or difficult to navigate, especially if they are new to the platform.

DevPrep.app features and specs

  • Two-way AI Voice Interview
    AI asks questions out loud, listens to your spoken answers and asks follow-up questions like a real interviewer
  • Name: 500+ Flashcards
    Description: Covers Azure, C#, React, TypeScript, Docker, Kubernetes, Python, SQL, Terraform and more
  • Progress Tracking
    Track your confidence scores across sessions and review cards you struggled with

Analysis of Hackr.io

Overall verdict

  • Overall, Hackr.io is considered a useful platform for individuals looking to learn programming and related skills. With its aggregation of resources and community-driven recommendations, it offers a streamlined way to access diverse learning materials.

Why this product is good

  • Hackr.io is known for curating a wide range of programming courses and tutorials from various platforms, allowing users to find quality learning resources in one place. The community-driven aspect means that users can vote and recommend the best resources, ensuring high-quality content rises to the top. This can save time for learners who might otherwise spend a lot of time searching for reliable tutorials across the internet.

Recommended for

  • Beginners starting with programming who need guidance on choosing reliable courses.
  • Experienced developers looking to upskill with the latest technologies.
  • Learners who prefer community-vetted resources.
  • Anyone looking for a centralized location to discover diverse coding tutorials.

Analysis of DevPrep.app

Overall verdict

  • DevPrep.app appears to be a niche coding/technical interview preparation tool, but I don't have verified, up-to-date information confirming its current quality, content accuracy, or user satisfaction, so I can't give a confident endorsement.

Why this product is good

  • Positioned as a focused resource for developers preparing for technical interviews
  • May offer structured practice problems or study plans
  • Likely targets a specific pain point (interview prep) rather than being a general-purpose tool
  • Web-based apps like this often have low barriers to trying them out

Recommended for

  • Software engineers preparing for coding interviews
  • Job seekers wanting a structured practice routine
  • Developers looking for a lightweight, focused prep tool rather than a full bootcamp
  • Users who prefer trying a specific niche tool before committing to larger platforms

Hackr.io videos

Hackr.io - Product Demo | Squareboat

More videos:

  • Tutorial - Hackr.io: Find the Best Programming Courses and Tutorials

DevPrep.app videos

No DevPrep.app videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Hackr.io and DevPrep.app)
Education
98 98%
2% 2
Online Learning
100 100%
0% 0
Developer Tools
0 0%
100% 100
Learning Resources
100 100%
0% 0

Questions & Answers

As answered by people managing Hackr.io and DevPrep.app.

How would you describe the primary audience of your product?

DevPrep.app's answer:

Software developers and DevOps engineers who are preparing for technical interviews.

What makes your product unique?

DevPrep.app's answer:

DevPrep.app offers a genuine two-way voice conversation for interview practice. The AI asks questions out loud, evaluates your spoken response, gives feedback, and asks follow-up questions just like a real technical interviewer would. Most tools make you type. Real interviews make you talk. DevPrep.app also includes 500+ flashcards across 15 topics with progress tracking and review mode, all working in your browser with no app install needed.

Why should a person choose your product over its competitors?

DevPrep.app's answer:

Most interview prep tools train you to write answers, not speak them. DevPrep.app trains the skill that actually matters in interviews โ€” communicating clearly under pressure. It works in your browser with no app install, supports both desktop and mobile voice interviews, and includes 500+ flashcards with progress tracking across 15 topics.

What's the story behind your product?

DevPrep.app's answer:

Built by a developer who noticed that knowing the answers and being able to say them confidently out loud are completely different skills. Most prep tools only train one of them. DevPrep.app was built to train both.

Which are the primary technologies used for building your product?

DevPrep.app's answer:

ASP.NET Core 7, React, TypeScript, Azure OpenAI (GPT-4o), Azure Cognitive Services Speech SDK, Web Speech API, Azure Container Apps, Azure Static Web Apps, Stripe, SQL Server

User comments

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Social recommendations and mentions

Based on our record, Hackr.io seems to be more popular. It has been mentiond 11 times since March 2021. 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.

Hackr.io mentions (11)

  • LF team mates for an open source MERN hackr.io clone
    I am looking to work with 1 or 2 people on a https://hackr.io/ clone. Source: about 3 years ago
  • Cost of these mini IT courses
    I know a better place, Https://hackr.io. Source: over 3 years ago
  • Leaning python for the first time
    Https://hackr.io/ has countless resources. Source: about 4 years ago
  • A good site to learn SQL.
    For future situations when you want to find the best resource for X, you can check out hackr.io. It is a community driven database of resources where members upvote learning material they have tried and liked. The best way to find out what the best thing for you is to see for yourself regardless of what other's experiences may be. Source: about 4 years ago
  • 5 Websites That You Can Learn To Code For Free.
    Hackr.io https://hackr.io/ platform allows you to register and learn courses for free. There are multiple courses from different sources available on the website, a sizeable amount of people post lectures on the website. Although, there is a voting system whereby courses that get the most votes from users get upvoted to the top. There's also a filter available on the site that you can use to push down courses... - Source: dev.to / over 4 years ago
View more

DevPrep.app mentions (0)

We have not tracked any mentions of DevPrep.app yet. Tracking of DevPrep.app recommendations started around Jul 2026.

What are some alternatives?

When comparing Hackr.io and DevPrep.app, you can also consider the following products

Treehouse - Treehouse is an award-winning online platform that teaches people how to code.

interviewing.io - Free, anonymous technical interview practice

edX - Best Courses. Top Institutions. Learn anytime, anywhere.

Interview Cake - Free practice programming interview questions. Interview Cake helps you prep for interviews to land offers at companies like Google and Facebook.

Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, weโ€™ve taught over 45 million people using a tested curriculum and an interactive learning environment.

Pantheon - The professional website platform for Drupal & WordPress sites.