Comparison

Algorithms HQ vs Data Structures Interview Ques

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

Head to head
About

Algorithms HQ

Learn computer science algorithms through interactive animations. Visualize data manipulation and execution step-by-step with pseudo-code tracking and variable value updates. Quickly reference algorithm characteristics and customize input data for deeper understanding.

Highlights
  • Animated algorithm execution
  • Step-by-step instruction control
  • Pseudo-code and variable tracking
  • Customizable input data
  • Algorithm reference guide
  • Data structure evolution visualization
Features
Read full description

A fun and didactic app to learn computer science algorithms! See how algorithms are working by watching an animation of their execution. Understand how data is manipulated as it is animated through an intuitive representation of its contents. Always know which line is executed in the pseudo-code, what are the values of the variables. Need to quickly refresh your memory? Just use the app as a quick reference on the main characteristics of each algorithm! Main features: - Execute a single instruction, or undo the previous one - Run, or rewind the algorithm until you decide to pause the execution - Adjust the speed of the animation - Best and worst case input data for sorting algorithms - Change the input data: size (up to 500), maximum value or data distribution (random, sorted, many duplicates, etc.) - For data structures, choose the next function to execute, or let a scenario choose for you, so you can see how the data structure evolves. - Landscape or portrait orientation This version contains the following algorithms: Linear Data Structures: - Linked Lists, including a view on memory - Queue - Stack Sorting algorithms: - Bubble Sort - Cocktail Sort - Gnome Sort - Insertion Sort - Quick Sort - Selection Sort More algorithms and more features are on the way!

About

Data Structures Interview Ques

This app provides a comprehensive collection of frequently asked data structure interview questions with answers. It's designed to help both interviewers find questions and candidates prepare for technical interviews. Features include bookmarking, concept-wise organization, and easy-to-read content.

Highlights
  • Frequently asked interview questions
  • Answers in multiple programming languages
  • Bookmarking options
  • Concept-wise question organization
  • Easy readable content with animations
  • User-friendly interface
Features
Read full description

This an application that has many frequently asked Data Structure Interview questions with answers. Gathered from numerous sources including real interviews. Great for both an interviewer to quickly come up with questions. Great for brushing up technical interview questions before an interview. Advantages: 1. Interview Questions with quick answers in different programming languages. 2. Book mark options 3. Concept wise important questions 4. Easy readable content with animations 5. Data Structure Interview Questions with answers 6. User Friendly This is a FREE app and contains various interview questions asked in interview.

Screenshots

Data Structures Interview Ques4 screens

Verdict

The call

The clearest difference is review sentiment: Algorithms HQ at 100% against Data Structures Interview Ques's 0%. Algorithms HQ also leads on in-app purchases (none vs 1) and update cadence (every 16 months vs every 47 months). Data Structures Interview Ques's advantage is rating (5.0 vs 4.0) and device support (3 vs 1). On price, ratings volume, ads and monetization model 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. Data Structures Interview Ques sells 1 one-off in-app purchase. Algorithms HQ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Data Structures Interview Ques holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 100% of Algorithms HQ's written reviews are positive against 0% of Data Structures Interview Ques's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Algorithms HQ ships an update every 16 months, Data Structures Interview Ques every 47 months. The most recent releases landed on September 24, 2026 and August 14, 2026 respectively.

Scorecard6 real differences · 4 level
Algorithms HQ versus Data Structures Interview Ques: the parameters behind the verdict, then further details
ParameterAlgorithms HQData Structures Interview Ques
PriceFreeFree
Rating4.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings11
Update frequencyEvery 16 months — betterEvery 47 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS15.69.0 — better
Further details — not scored
Size3 MB19 MB
Age rating4+4+
DeveloperCyril CarrezRAVINDHIRAN SUMITHRA

Customer experience

Algorithms HQ

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Data Structures Interview Ques

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Algorithms HQ

No in-app purchases

1 purchases

Data Structures Interview Ques

One-time1
  • Data Structure Interview Questions$3.99

Questions

Is Algorithms HQ free?
Algorithms HQ is free to download, with no in-app purchases.
Is Data Structures Interview Ques free?
Data Structures Interview Ques is free to download, with in-app purchases available.
Which has better reviews, Algorithms HQ or Data Structures Interview Ques?
Data Structures Interview Ques is rated higher. Algorithms HQ averages 4.0 out of 5 from 1 ratings, while Data Structures Interview Ques averages 5.0 from 1 ratings.
Do Algorithms HQ or Data Structures Interview Ques have ads?
Neither Algorithms HQ nor Data Structures Interview Ques shows ads.
Which is updated more often, Algorithms HQ or Data Structures Interview Ques?
Algorithms HQ ships an update every 16 months, and Data Structures Interview Ques every 47 months. Most recently, Algorithms HQ was updated on September 24, 2026 and Data Structures Interview Ques on August 14, 2026.

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