# Python Data Structures & Algo vs LFCS Practice Test

The clearest difference is in-app purchases: Python Data Structures & Algo at none against LFCS Practice Test's 2. LFCS Practice Test's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. LFCS Practice Test sells 2 in-app purchases, starting at $6.99 per month. Python Data Structures & Algo asks for nothing beyond the download.

Python Data Structures & Algo ships an update every 2 months, LFCS Practice Test every 3 weeks. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Python Data Structures & Algo | LFCS Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 17 MB | 39 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [Thomas Baric](https://appshunter.io/developer/1872894014) |

## What reviewers say

### Python Data Structures & Algo

[App page](https://appshunter.io/ios/app/python-data-structures-and-algo/id6757224683)

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

**In-app purchases:** none


### LFCS Practice Test

[App page](https://appshunter.io/ios/app/lfcs-practice-test/id6781743699)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Linux / DevOps Access Bundle | $6.99 | per month |
| LFCS Pro | $3.99 | one-time |


## Frequently asked questions

### Is Python Data Structures & Algo free?

Python Data Structures & Algo is free to download, with no in-app purchases.

### Is LFCS Practice Test free?

LFCS Practice Test is free to download, with in-app purchases available.

### Do Python Data Structures & Algo or LFCS Practice Test have ads?

Neither Python Data Structures & Algo nor LFCS Practice Test shows ads.

### Which is updated more often, Python Data Structures & Algo or LFCS Practice Test?

Python Data Structures & Algo ships an update every 2 months, and LFCS Practice Test every 3 weeks. Most recently, Python Data Structures & Algo was updated on October 1, 2026 and LFCS Practice Test on October 6, 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.*