# Data Structures Interview Ques vs Algorithm++

The clearest difference is in-app purchases: Algorithm++ at none against Data Structures Interview Ques's 1. Algorithm++ also leads on update cadence (every 16 months vs every 47 months). Data Structures Interview Ques's advantage is iOS requirement (9.0 vs 16.1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Data Structures Interview Ques sells 1 one-off in-app purchase. Algorithm++ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Data Structures Interview Ques against 5.0 for Algorithm++. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Data Structures Interview Ques ships an update every 47 months, Algorithm++ every 16 months. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Data Structures Interview Ques | Algorithm++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/data-structures-interview-ques/id1070986831/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/algorithm-plus-plus/id6450132506/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 16 months** |
| Monetization | Free | Free |
| Size | 19 MB | 4 MB |
| Requires iOS | **9.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RAVINDHIRAN SUMITHRA](https://appshunter.io/developer/1571016391) | [Mohammadali Ghanavati](https://appshunter.io/developer/1469186860) |

## What reviewers say

### Data Structures Interview Ques

[App page](https://appshunter.io/ios/app/data-structures-interview-ques/id1070986831)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Data Structure Interview Questions | $3.99 | one-time |


### Algorithm++

[App page](https://appshunter.io/ios/app/algorithm-plus-plus/id6450132506)

Visualize and understand sorting algorithms through interactive demonstrations and audio feedback. Explore the logic, inspect the code, and master Big O complexity for computer science education and interview preparation.

**Highlights:** Visualize 16 sorting algorithms, Adjustable speed and array size, Real-time audio sonification, View source code, Master Big O complexity, Test with real-world data patterns, Includes basic to advanced algorithms

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Data Structures Interview Ques free?

Data Structures Interview Ques is free to download, with in-app purchases available.

### Is Algorithm++ free?

Algorithm++ is free to download, with no in-app purchases.

### Which has better reviews, Data Structures Interview Ques or Algorithm++?

Data Structures Interview Ques and Algorithm++ are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Data Structures Interview Ques or Algorithm++ have ads?

Neither Data Structures Interview Ques nor Algorithm++ shows ads.

### Which is updated more often, Data Structures Interview Ques or Algorithm++?

Data Structures Interview Ques ships an update every 47 months, and Algorithm++ every 16 months. Most recently, Data Structures Interview Ques was updated on September 21, 2026 and Algorithm++ on September 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*