# DSA Master vs LTS Tutor

The clearest difference is in-app purchases: LTS Tutor at none against DSA Master's 1. LTS Tutor also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.2). DSA Master's advantage is update cadence (weekly vs fortnightly). On price and device support there is nothing between them.

Both are free to download. DSA Master sells 1 one-off in-app purchase. LTS Tutor asks for nothing beyond the download.

DSA Master ships an update weekly, LTS Tutor fortnightly. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DSA Master | LTS Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (35 ratings)](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 59 MB |
| Requires iOS | 16.2 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [FIRST LOGIC INFO LAB](https://appshunter.io/developer/1585475453) |

## What reviewers say

### DSA Master

[App page](https://appshunter.io/ios/app/dsa-master-data-and-algorithms/id1672776683)

Master algorithms and data structures with interactive visualizations, executable code, and practice challenges. Supports multiple programming languages and offers progress tracking for technical interview preparation.

**Highlights:** Interactive visualizations, Live code execution, Multi-language support, Practice challenges, Progress tracking, Algorithm animations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### LTS Tutor

[App page](https://appshunter.io/ios/app/lts-tutor/id1673260580)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DSA Master free?

DSA Master is free to download, with in-app purchases available.

### Is LTS Tutor free?

LTS Tutor is free to download, with no in-app purchases.

### Do DSA Master or LTS Tutor have ads?

DSA Master shows ads; LTS Tutor does not.

### Which is updated more often, DSA Master or LTS Tutor?

DSA Master ships an update weekly, and LTS Tutor fortnightly. Most recently, DSA Master was updated on September 22, 2026 and LTS Tutor on October 7, 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.*