# DSA Master vs Citizenship Spark · Test Prep

The clearest difference is update cadence: DSA Master at weekly against Citizenship Spark · Test Prep's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DSA Master sells 1 one-off in-app purchase and Citizenship Spark · Test Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DSA Master ships an update weekly, Citizenship Spark · Test Prep every 3 weeks. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DSA Master | Citizenship Spark · Test Prep |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 6 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alok Singh](https://appshunter.io/developer/1508795536) | [Akhlaq Ahmad](https://appshunter.io/developer/1822819345) |

## 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 |


### Citizenship Spark · Test Prep

[App page](https://appshunter.io/ios/app/citizenship-spark-test-prep/id6805930361)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $14.99 | one-time |


## Frequently asked questions

### Is DSA Master free?

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

### Is Citizenship Spark · Test Prep free?

Citizenship Spark · Test Prep is free to download, with in-app purchases available.

### Do DSA Master or Citizenship Spark · Test Prep have ads?

Both DSA Master and Citizenship Spark · Test Prep show ads.

### Which is updated more often, DSA Master or Citizenship Spark · Test Prep?

DSA Master ships an update weekly, and Citizenship Spark · Test Prep every 3 weeks. Most recently, DSA Master was updated on September 22, 2026 and Citizenship Spark · Test Prep 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.*