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Hello Interview: an honest review and an alternative
The short answer
Hello Interview is an interview prep site with a free system design guide, System Design in a Hurry, and a paid Premium tier. Premium adds 64 premium articles, 43 premium videos, 66 guided practice problems, more than 5,000 interview questions reported by candidates, an AI tutor and practice interviews with an AI interviewer. On 8 November 2026 it cost $89 for a year, $47 for a month or $299 for lifetime access in US prices, shown as discounts from $119, $59 and $399. It suits a candidate a few weeks from an interview who knows the basics and wants question breakdowns, videos and practice interviews. Ours is the better pick if you want one long course from the basics up, paid once (770 lessons, ₹1,111 once in India or $25 once elsewhere); Hello Interview Premium is the better pick in the cases listed below, and we say which.
Our course, the System Design Masterclass: 770 lessons, about 287 hours, ₹1,111 once in India or $25 elsewhere, lifetime access.
Written by Roni Das, who makes systemdesign.academy, so this is not an independent review. Hello Interview has not reviewed or approved this page. Every Hello Interview fact below was read on Hello Interview's own site on 8 November 2026. There are no affiliate links.
Hello Interview Premium and systemdesign.academy, side by side
| Hello Interview Premium | systemdesign.academy (ours) | |
|---|---|---|
| Price (checked 8 November 2026) | US prices on 8 November 2026: $47 for 1 month (list $59), $89 for 1 year (list $119) or $299 for lifetime access (list $399). The page says it is a one-time payment that never auto-renews. | ₹1,111 once in India or $25 once elsewhere. Lifetime access, every later lesson included, no subscription. |
| Lessons and length | 64 premium articles and 43 premium videos. The premium list has 30 system design items, 12 low-level design, 16 coding, 9 behavioural, 20 AI coding and 8 code review. The core guide, System Design in a Hurry, is free. | 770 lessons, about 287 hours, from the basics to distributed systems; 18 of them free with no signup |
| Format | Written breakdowns and videos, with quizzes and step-by-step guided practice | Written lessons with diagrams that build step by step. No videos. |
| Interactive or not | Yes: 66 guided practice problems with feedback after each step, quizzes, and practice interviews with an AI interviewer (1 with a month, 2 with a year, 10 with lifetime) | Yes: step-by-step diagrams, a quiz at the end of lessons, code you can run in the browser in some lessons, and an AI tutor beside every lesson |
| Interview focus | Entirely: problem breakdowns such as Instagram, Google Docs and a payment system, patterns such as scaling reads and writes, and deep dives on PostgreSQL, Flink and ZooKeeper | Yes, and also the basics and the work topics interview prep skips (observability, security, DevOps). 106 free interview walkthroughs on the site. |
| AI content | An AI tutor that answers questions as you study, AI practice interviews with a written report, an AI coding section and a ChatGPT design breakdown | An AI tutor beside every lesson that answers from the lesson you are reading. LLM and agent systems are taught in our separate AI Engineering course (214 lessons, ₹1,333 once in India or $35 once elsewhere). |
Sources, read on 8 November 2026: hellointerview.com/premium, System Design in a Hurry (free), hellointerview.com/coaching. Our own prices: /pricing. Prices change often and several sites show a different price in other countries, so check the source before you buy. If Hello Interview sees a mistake here, tell us and we will fix it.
Where Hello Interview Premium is stronger
- Its core guide, System Design in a Hurry, is free, and the site keeps free content and videos beside Premium. That is a good place for anyone to start.
- It has 43 premium videos and practice interviews with an AI interviewer that give a hire or no-hire call for your level and a written report. Ours has no videos. We do have an AI mock interviewer with a scorecard, and paid live one-to-one mocks.
- Its practice interview feedback, the page says, is calibrated against more than 10,000 human-led mock interviews with FAANG interviewers.
- It covers more than system design: low-level design, coding, AI coding, code review and behavioural interviews, plus more than 5,000 recent questions reported by candidates.
Pick Hello Interview if your interview is a few weeks away, you know the basics, and you want breakdowns, videos and AI practice interviews. Read its free guide either way.
When ours is the better pick
- You need the building blocks first. Hello Interview describes its core guide as dense, practical and efficient, made for the interview. Ours starts at latency, load balancing and caching and goes up to distributed systems in order.
- You want system design for work too: observability, security and DevOps are in the same course.
- You want to pay less, once, and keep it for life, with every later lesson included.
Where ours falls short
- It has no videos. Every lesson is written.
- The self-paced course has no human coach, no mock interviews and no certificate.
- It is a smaller, newer site, online since April 2026.
Questions
Is Hello Interview Premium worth it?
If your interview is close and you already know the basics, it is a strong choice: 64 premium articles, 43 videos, 66 guided practice problems and practice interviews with an AI interviewer. On 8 November 2026 a US visitor saw $89 for a year, $47 for a month or $299 lifetime, shown as discounts from $119, $59 and $399. Start with its free guide.
Does Hello Interview Premium renew automatically?
On 8 November 2026 its premium page said the payment is one-time and never auto-renews, and that you can upgrade from yearly to lifetime with your remaining time credited.
Does Hello Interview still offer mock interviews with a person?
Its coaching page says the mock interview and mentorship programmes ended on 31 May 2026. Premium, Guided Practice and the free content carry on, and Premium includes practice interviews with an AI interviewer.
Hello Interview or ByteByteGo?
Hello Interview is the better fit for quick, focused interview breakdowns, and its core guide is free. ByteByteGo is a bigger plan built on the System Design Interview books, with detailed illustrated case studies. Our ByteByteGo page compares that one with ours.
What is a good alternative to Hello Interview?
ByteByteGo and DesignGurus' Grokking course are the best-known paid options. Our course is the longer one: it teaches the building blocks first, then whole designs, for one small payment, with an AI tutor beside every lesson. Many people read Hello Interview's free guide beside a longer course.
Hello Interview Premium or systemdesign.academy: which should I pick?
Pick Hello Interview if your interview is a few weeks away, you know the basics, and you want breakdowns, videos and AI practice interviews. Read its free guide either way. Pick ours if you want 770 lessons from the basics to distributed systems for ₹1,111 once in India or $25 once elsewhere, with an AI tutor beside every lesson. You can read 18 lessons free before you pay.
Who wrote this page, and is it independent?
Roni Das, who makes systemdesign.academy, wrote it. It is not independent: one of the two courses here is ours. There are no affiliate links. Every Hello Interview fact was read on Hello Interview's own site on 8 November 2026, and the source links are under the table. Prices change often, and many were sale prices that day.
Comparing more than two?
The best system design course page compares 9 options with sources, and the best AI engineering course page does the same for AI courses. Also on this site: Grokking the System Design Interview, ByteByteGo System Design, AlgoMaster System Design, Educative System Design and Exponent System Design.
Try ours before you decide
18 lessons are free with no signup. Read one, ask the AI tutor a question, and see if the way it teaches suits you.
Interview soon?
Get all 200 questions in the System Design and Distributed Systems pack
Each question has why it is asked, a full answer, what the interviewer listens for, the follow-ups, the common mistakes and a diagram (268 diagrams in all). A PDF you keep, junior to staff level.
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