# Data Structures and Algorithms vs Quantum Lab

The clearest difference is in-app purchases: Quantum Lab at none against Data Structures and Algorithms's 1. Quantum Lab also leads on iOS requirement (13.0 vs 17.0). Data Structures and Algorithms's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Data Structures and Algorithms sells 1 one-off in-app purchase. Quantum Lab asks for nothing beyond the download.

Data Structures and Algorithms ships an update every 10 days, Quantum Lab every 11 days. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Data Structures and Algorithms | Quantum Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 11 days |
| Size | 36 MB | 30 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [子健 高](https://appshunter.io/developer/1791450219) | [jungkil bae](https://appshunter.io/developer/1801875279) |

## What reviewers say

### Data Structures and Algorithms

[App page](https://appshunter.io/ios/app/data-structures-and-algorithms/id6783425095)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DSA | $2.99 | one-time |


### Quantum Lab

[App page](https://appshunter.io/ios/app/quantum-lab-touch-physics/id6796148810)

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

**In-app purchases:** none


## Frequently asked questions

### Is Data Structures and Algorithms free?

Data Structures and Algorithms is free to download, with in-app purchases available.

### Is Quantum Lab free?

Quantum Lab is free to download, with no in-app purchases.

### Do Data Structures and Algorithms or Quantum Lab have ads?

Quantum Lab shows ads; Data Structures and Algorithms does not.

### Which is updated more often, Data Structures and Algorithms or Quantum Lab?

Data Structures and Algorithms ships an update every 10 days, and Quantum Lab every 11 days. Most recently, Data Structures and Algorithms was updated on September 29, 2026 and Quantum Lab on September 26, 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.*