A human interviewer
interviewing.io
Anonymous mock interviews with engineers from large tech companies.
Compared from each product’s own pages · checked 2026-10-31
AI mock interview tools for software engineers, compared
Who interviews you, whether you talk out loud, which rounds are covered, whether the interviewer can see your system design diagram, whether your code runs, and what is free. EngMock wrote this page, so it is one of the rows; every other row says only what that product’s own pages say.
The tools side by side
Other products’ prices change often, so the table describes how each one charges and links to its pricing page. EngMock’s prices are its current ones.
| Product | Who interviews you | Spoken interview | Rounds | System design whiteboard the interviewer reads | Runs your code | Free option | Pricing |
|---|---|---|---|---|---|---|---|
| EngMockFull-length technical interviews you talk through out loud, on a whiteboard or in runnable code, with a scored report that quotes your answers. | An AI interviewer. | Yes: a live two-way voice conversation for the whole interview. | system design, coding (DSA), object-oriented design (OOD) and AI-assisted coding; 100 mock interviews. No behavioral interviews. | Yes: an interactive whiteboard; the interviewer follows your diagram. | Yes: Runnable Coding runs your code in a sandbox, and the interviewer sees every run (any of nine languages). | New accounts get two Free Credits: each covers one complete live interview on a Free Credit eligible scenario (Find a Pair Matching a Target or Design a URL Shortener), with its full report. | One-time interview credit packs (Starter $10 for 5 interviews, Value $25 for 15 and Ultimate $60 for 40), or the Unlimited plan at US$9.99 a month on your own Gemini API key. |
| Hello InterviewSystem design practice; it says its feedback is calibrated against more than ten thousand human-led mock interviews. | An AI interviewer in Live Practice. | Yes: you lead the interview out loud and the interviewer hears you. | Live Practice covers system design. Its guided (not live) practice also covers low-level design, AI coding and behavioral interviews. | Yes: a shared whiteboard that the interviewer reads. | No live coding round is listed. | Its learning content is free; no free Live Practice interview is listed. | Live Practice interview packs, and Premium plans (monthly, yearly or lifetime) that include some Live Practice interviews. |
| interviewing.ioPracticing with experienced human interviewers from large tech companies. | Human engineers, and an AI Interviewer. | Human sessions use audio and chat, without video. For the AI Interviewer: not stated. | Human sessions cover algorithms and coding, system design, machine learning, front-end, engineering management, behavioral and staff-level interviews. | Not stated. | Not stated (human sessions use its own version of CoderPad). | Its home page offers problems from Beyond Cracking the Coding Interview for free. | Not listed on its home page; see its pricing page. |
| PlacedHigh-volume voice practice across many round types, including a practice pack for Meta’s reported AI-enabled coding round. | An AI interviewer. | Yes, voice first; you can also type any answer. | Coding, behavioral, system design, AI-assisted coding and AI fluency, plus object-oriented design and other formats. | Yes: the interviewer sees your diagram. | Yes: code runs against test cases (object-oriented design code is not run). | A free account gets a few scored interviews each month, and you can start one without an account. | A free tier and a Pro subscription, monthly or yearly. |
| Aced (formerly Exponent)Free practice with other candidates, the way Pramp worked. | Other candidates (you take turns), an AI interviewer, and coaches. | Peer sessions run over video chat. For the AI interviewer: not stated. | Data structures and algorithms, system design, behavioral, product management, SQL, data science and machine learning, and frontend. | Not stated. | Not stated. | Peer practice is free to start. | Not listed on the pages we could read. |
| Final Round AIPractice tied to one job and your resume; note that its main product is a live-interview assistant. | An AI interviewer in Practice mode. | You answer out loud. | General, coding, system design, behavioral, product case, data and machine learning, salary negotiation and recruiter screen. | Not stated. | Not stated. | No: practice sessions need a paid plan, and there is no free trial. | A free account for setup and a Pro subscription for sessions. |
| HackerRank AI mock interviewsGetting used to HackerRank’s own interview format. | An AI interviewer. | Not stated. | Technical screen, coding, system design, AI fluency, behavioral, React frontend and Node backend. | Not stated. | Not stated for mock interviews. | Not stated. | Not listed on its mock interview page. |
Which one fits what you need
Free practice with another candidate
Aced Practice
Peer-to-peer interviews; Pramp moved here in July 2024.
System design only, with an AI interviewer
Hello Interview Live Practice
AI system design interviews on a shared whiteboard.
Every technical round, out loud
EngMock
Live voice interviews for system design, coding (DSA), object-oriented design (OOD) and AI-assisted coding, with a whiteboard, runnable code and a scored report.
Behavioral and many other round types
Placed
AI voice interviews across coding, behavioral, system design and more.
Questions
What is the best AI mock interview tool for software engineers?
It depends on the round and on how you want to practice. For human interviewers from large tech companies, interviewing.io. For free practice with other candidates, Aced Practice (where Pramp moved). For system design only, Hello Interview's Live Practice. For live voice interviews across system design, coding (DSA), object-oriented design (OOD) and AI-assisted coding, with a whiteboard, runnable code and a scored report, EngMock. Placed covers many round types with voice, including behavioral.
Which AI mock interview tools let the interviewer see a system design whiteboard?
Of the tools compared here, EngMock, Hello Interview and Placed say the interviewer reads your diagram. The others do not state it on their pages.
Which AI mock interview tools run your code?
EngMock and Placed run your code during the interview. EngMock offers it for every coding question, in any of nine languages.
Are there free AI mock interviews for software engineers?
Yes. New accounts get two Free Credits: each covers one complete live interview on a Free Credit eligible scenario (Find a Pair Matching a Target or Design a URL Shortener), with its full report. Placed gives a free account a few scored interviews a month, and Aced Practice offers free peer interviews. Hello Interview's learning content is free, and Final Round AI's practice interviews need a paid plan.
Sources
Every other product is described only from its own public pages, read on 2026-10-31. Where a page does not say something, the table says “Not stated”. Product names are trademarks of their owners; EngMock is not affiliated with any of them. Spotted something out of date? Email support@engmock.com and we will correct it.
Try EngMock free
New accounts get two Free Credits: each covers one complete live interview on a Free Credit eligible scenario (Find a Pair Matching a Target or Design a URL Shortener), with its full report.