# Data Structures Interview Ques vs AI & Machine Learning Tutor

The clearest difference is review sentiment: AI & Machine Learning Tutor at 50% against Data Structures Interview Ques's 0%. AI & Machine Learning Tutor also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 47 months). Data Structures Interview Ques's advantage is iOS requirement (9.0 vs 16.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Data Structures Interview Ques sells 1 one-off in-app purchase. AI & Machine Learning Tutor asks for nothing beyond the download.

Data Structures Interview Ques ships an update every 47 months, AI & Machine Learning Tutor every 2 months. The most recent releases landed on August 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Data Structures Interview Ques | AI & Machine Learning Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/data-structures-interview-ques/id1070986831/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 19 MB | 4 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RAVINDHIRAN SUMITHRA](https://appshunter.io/developer/1571016391) | [DjamgaTech Corp](https://appshunter.io/developer/969000181) |

## 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 |


### AI & Machine Learning Tutor

[App page](https://appshunter.io/ios/app/ai-and-machine-learning-tutor/id1611593573)

Master AI and Machine Learning with a comprehensive learning hub. Access over 600 quizzes, detailed explanations, cheat sheets, and interview preparation materials. Chat with an AI tutor to get quizzed and corrected for certifications.

**Highlights:** Over 600 quizzes on AI/ML topics, Detailed answers and references, AI and ML cheat sheets, Interview preparation materials, Chat with AI tutor, Progress tracking and scoring

**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 AI & Machine Learning Tutor free?

AI & Machine Learning Tutor is free to download, with no in-app purchases.

### Do Data Structures Interview Ques or AI & Machine Learning Tutor have ads?

Neither Data Structures Interview Ques nor AI & Machine Learning Tutor shows ads.

### Which is updated more often, Data Structures Interview Ques or AI & Machine Learning Tutor?

Data Structures Interview Ques ships an update every 47 months, and AI & Machine Learning Tutor every 2 months. Most recently, Data Structures Interview Ques was updated on August 14, 2026 and AI & Machine Learning Tutor on September 17, 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.*