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interviewing.io VS PostalCodes.app

Compare interviewing.io VS PostalCodes.app and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

interviewing.io logo interviewing.io

Free, anonymous technical interview practice

PostalCodes.app logo PostalCodes.app

Access to worldwide postal code data
  • interviewing.io Landing page
    Landing page //
    2022-11-02
  • PostalCodes.app Landing page
    Landing page //
    2021-07-19

interviewing.io features and specs

  • Anonymity
    Interviewing.io allows candidates to remain anonymous during the interview process, which can help reduce bias and make candidates more comfortable.
  • High-quality practice
    The platform provides opportunities to practice with real engineers from top tech companies, offering high-quality feedback and experience.
  • Cost-effective
    Many features on Interviewing.io are free, including the ability to conduct practice interviews and access to recordings and feedback.
  • Feedback and metrics
    Candidates receive detailed feedback and performance metrics after each interview, helping them identify areas of improvement.
  • Networking
    The platform can provide valuable networking opportunities by connecting candidates with engineers and potential employers from top tech companies.

Possible disadvantages of interviewing.io

  • Limited industry focus
    Interviewing.io primarily focuses on tech interviews, so it may not be useful for candidates looking for practice in other industries.
  • Variable interviewer quality
    The quality of interviewers can vary, which might affect the consistency of the practice and feedback received.
  • Scheduling challenges
    Finding convenient times for interviews can sometimes be challenging, especially if both the candidate and interviewer have busy schedules.
  • Stress and performance pressure
    Despite being a practice platform, candidates might still experience stress and performance pressure, similar to real interview scenarios.
  • Limited personalization
    The feedback and practice sessions are somewhat standardized, which may not always cater to the specific needs or unique backgrounds of individual candidates.

PostalCodes.app features and specs

No features have been listed yet.

Analysis of interviewing.io

Overall verdict

  • Interviewing.io is considered a good resource for individuals looking to improve their technical interviewing skills. It is particularly beneficial due to its anonymous nature, which encourages honest feedback and reduces anxiety, and the quality of interviewers involved, who often come from well-known tech companies.

Why this product is good

  • Interviewing.io is a platform designed to help candidates practice technical interviewing through mock interviews, which can be especially useful for those aiming to enter fields such as software engineering. It offers anonymous practice sessions with engineers from top tech companies, providing real-world experience and feedback. The platform also offers flexible scheduling, expert insights, and resources to improve interview performance.

Recommended for

  • Aspiring software engineers
  • Recent computer science graduates
  • Professionals transitioning into tech roles
  • Individuals preparing for technical interviews at major tech companies

Analysis of PostalCodes.app

Overall verdict

  • PostalCodes.app is a useful and reliable tool for looking up and validating postal code data across multiple countries, offering a clean interface and developer-friendly access.

Why this product is good

  • Provides accurate and up-to-date postal code data for many countries
  • Offers an API that makes integration into apps and websites straightforward
  • Clean, simple user interface that is easy to navigate
  • Useful for validating addresses and reducing shipping or data-entry errors
  • Saves developers time compared to building and maintaining their own postal code database

Recommended for

  • Developers building applications that need address or postal code validation
  • E-commerce businesses needing accurate shipping and location data
  • Logistics and delivery companies managing regional data
  • Data analysts working with geographic or demographic information
  • Anyone needing quick lookups of postal codes across multiple countries

interviewing.io videos

+ Add

Technical Interviewing Anonymous: Aline Lerner, CEO @ Interviewing.io

PostalCodes.app videos

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

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Category Popularity

0-100% (relative to interviewing.io and PostalCodes.app)

interviewing.io

PostalCodes.app

Online Learning
100 100%
Online Learning
0% 0
Developer Tools
0 0%
Developer Tools
100% 100
Online Education
100 100%
Online Education
0% 0
API Tools
0 0%
API Tools
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare interviewing.io and PostalCodes.app

interviewing.io Reviews

The Best Code Interview Prep Platforms in 2020
Interviewing.io takes a very unique approach to coding interview prep. Rather than providing content and practice coding challenges, Interviewing.io has a library of actual video interviews that you can watch, and you can pay to anonymously take a mock interview with an engineering hiring manager.
Source: www.freecodecamp.org

PostalCodes.app Reviews

We have no reviews of PostalCodes.app yet.
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Social recommendations and mentions

Based on our record, interviewing.io seems to be a lot more popular than PostalCodes.app. While we know about 102 links to interviewing.io, we've tracked only 1 mention of PostalCodes.app. 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.

interviewing.io mentions (102)

  • AI Interview Prep in 2026 Is Broken. Here's What Nobody Wants to Admit.
    Interviewing.io charges $100โ€“225 per session. Genuinely useful, but you can't do 5 sessions a day for a month. And a stranger on a 45-minute call doesn't know your history. - Source: dev.to / 5 months ago
  • System Design Roadmap for Freshers 2026: From Zero to Placement-Ready
    Mock interviews: Pramp, Interviewing.io (free tier), or batchmates. Aim for 8โ€“10 mocks. - Source: dev.to / 6 months ago
  • Interviewing in tech changed drastically after 2022 โ€” hereโ€™s what I learned trying to navigate it
    Interviewing is very performative so along the way you should absolutely do mock interviews just to get the nerves out and to practice being calm under pressure. I paid for several using Interviewing.io. They were certainly helpful, but I actually found the free ones I did with peers, both on interviewing.io and tryexponent.com to be more helpful. Why was it more helpful? Itโ€™s worthwhile being on the interview... - Source: dev.to / 12 months ago
  • How to Become a Backend Developer in 2025 ?
    Interviewing.io โ€“ Anonymous mock interview platform with real engineers from top tech companies. - Source: dev.to / over 1 year ago
  • My Journey of Mastering Data Structures and Algorithms in 6 Months: Dos and Don'ts๐Ÿ‘ฉ๐Ÿปโ€๐Ÿ’ป
    Conduct Mock Interviews: Simulate interview scenarios using platforms like Pramp or Interviewing.io. This helps you manage time, pressure, and articulating your thought process. - Source: dev.to / almost 2 years ago
View more

PostalCodes.app mentions (1)

  • API to Access worldwide postal code and zip code range data
    Hey r/API, I made PostalCodes.app, which is an API to access worldwide postal code and zip code range data, I tried to make it simple, and also made simple documentation, would like to hear your thoughts. Source: about 5 years ago

What are some alternatives?

When comparing interviewing.io and PostalCodes.app, you can also consider the following products

LeetCode - Practice and level up your development skills and prepare for technical interviews.

Mock API Generator - Generate custom data & API to build apps in less than 30s

Final Round AI - Interview Copilot - Real Time AI interview Assistant

Sheety - Turn any Google sheet into an API instantly, for free. Power websites, apps, or whatever you like, all from a spreadsheet. Changes to your spreadsheet update your API in realtime. Neat

AlgoExpert.io - A better way to prep for tech interviews

ConsumerCloudServices Consumer Address Finder - Fast, accurate UK postcode lookup API โ€” simple, reliable, affordable, with extra property details built in

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