Comparison

AlgoMaster vs Hello Interview

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AlgoMaster

Prepare for coding and system design interviews with structured learning, visual explanations, and pattern-based practice. Master core computer science concepts and build intuition for technical interviews.

Highlights
  • Curated DSA practice problems
  • Pattern-based interview preparation
  • System design lessons
  • Visual explanations and animations
  • Progress tracking
  • Quizzes and revision content
Read full description

AlgoMaster helps software engineers prepare for coding interviews, system design interviews, and core computer science concepts through structured learning and visual explanations. Whether you are preparing for your first software engineering role or aiming for senior-level interviews, AlgoMaster gives you a clear roadmap to learn the most important topics step by step. Learn data structures and algorithms through curated problem lists, pattern-based practice, and visual explanations. Instead of solving random problems, you can focus on the patterns that matter most in interviews, including arrays, strings, binary search, sliding window, linked lists, stacks, queues, trees, graphs, heaps, tries, greedy algorithms, and dynamic programming. Build strong system design fundamentals with beginner-friendly explanations, real-world examples, and visual learning. Understand concepts like scalability, load balancing, caching, databases, queues, rate limiting, sharding, consistency, observability, microservices, and distributed systems. AlgoMaster is designed to make difficult technical topics easier to understand. Visual explanations and animations help you see how algorithms, data structures, and system design concepts work internally, so you can build real intuition instead of memorizing theory. Key features: • Curated DSA practice problems • Pattern-based interview preparation • System design lessons and examples • Low-level design concepts • Microservices and distributed systems content • Visual explanations and animations • Quizzes and revision-friendly content • Progress tracking across topics • Clean and structured learning experience AlgoMaster is useful for: • Software engineers preparing for technical interviews • Students learning data structures and algorithms • Developers preparing for system design rounds • Engineers moving from junior to senior roles • Anyone who wants to learn computer science concepts visually Stop jumping between random resources. Learn the right topics in the right order, practice with structure, and build the intuition needed to perform better in technical interviews. Start learning with AlgoMaster today.

About

Hello Interview

Prepare for software engineering interviews with structured learning paths, practical guides, and interactive quizzes. Gain confidence in system design, data structures, algorithms, and behavioral questions. Access real interview experiences and community insights.

Highlights
  • Structured learning paths
  • Practical interview guides
  • Interactive quizzes
  • Real interview questions
  • Community discussions
  • Progress tracking
Features
Read full description

Prepare for your software engineering interviews with focused learning paths, practical guides, interactive quizzes, and insights from real interview experiences. Hello Interview helps you build the knowledge and confidence you need for technical interviews across system design, data structures and algorithms, low-level design, behavioral interviews, and more. With the app, you can: • Follow structured learning paths and track your progress • Read clear, practical interview guides • Explore real interview questions shared by candidates • Test your knowledge with interactive quizzes • Learn from community discussions and candidate success stories • Search across articles, guides, and interview questions • Continue learning wherever you are Sign in to sync your progress and access the content available to your Hello Interview account.

Screenshots

AlgoMaster4 screens
Hello Interview4 screens

Verdict

The call

The clearest difference is update cadence: Hello Interview at every 6 days against AlgoMaster's every 2 months. Hello Interview also leads on ratings volume (44 vs 11). AlgoMaster's advantage is monetization model (free vs free with in-app purchases). On price, rating, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AlgoMaster sells 3 one-off in-app purchases and Hello Interview sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for AlgoMaster against 5.0 for Hello Interview. Both are backed by a comparable volume of ratings — 11 and 44 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

AlgoMaster ships an update every 2 months, Hello Interview every 6 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
AlgoMaster versus Hello Interview: the parameters behind the verdict, then further details
ParameterAlgoMasterHello Interview
PriceFreeFree
Rating5.0 (11 ratings)5.0 (44 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1144 — better
Update frequencyEvery 2 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.4
Further details — not scored
Size65 MB53 MB
Age rating4+9+
DeveloperAlgoMasterIO LLCOptick Labs Inc. dba Hello Interview

Customer experience

AlgoMaster

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Hello Interview

All ratings33 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

AlgoMaster

One-time3
  • AlgoMaster Premium - Monthly$34.99
  • AlgoMaster Premium - Annual$89.99
  • Premium - Lifetime Access$179.99
3 purchases

Hello Interview

One-time3
  • Hello Interview Premium – 1 Month$47.99
  • Hello Interview Premium – 1 Year$89.99
  • Hello Interview Premium – Lifetime$299.99

Questions

Is AlgoMaster free?
AlgoMaster is free to download, with in-app purchases available.
Is Hello Interview free?
Hello Interview is free to download, with in-app purchases available.
Which has better reviews, AlgoMaster or Hello Interview?
AlgoMaster and Hello Interview are both rated 5.0 out of 5 on the App Store, from 11 and 44 ratings respectively.
Do AlgoMaster or Hello Interview have ads?
Neither AlgoMaster nor Hello Interview shows ads.
Which is updated more often, AlgoMaster or Hello Interview?
AlgoMaster ships an update every 2 months, and Hello Interview every 6 days. Most recently, AlgoMaster was updated on October 25, 2026 and Hello Interview on October 29, 2026.

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