# Sleep Social NeuroLab vs Data Structures and Algorithms

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

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

## The numbers

| Metric | Sleep Social NeuroLab | Data Structures and Algorithms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 30 MB | 36 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [University of Bern](https://appshunter.io/developer/1512367303) | [子健 高](https://appshunter.io/developer/1791450219) |

## What reviewers say

### Sleep Social NeuroLab

[App page](https://appshunter.io/ios/app/sleep-social-neurolab/id6736759654)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Sleep Social NeuroLab free?

Sleep Social NeuroLab is free to download, with no in-app purchases.

### Is Data Structures and Algorithms free?

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

### Do Sleep Social NeuroLab or Data Structures and Algorithms have ads?

Neither Sleep Social NeuroLab nor Data Structures and Algorithms shows ads.

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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.*