# AlgoLearn vs Quarry

The clearest difference is update cadence: AlgoLearn at every 3 weeks against Quarry's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AlgoLearn sells 2 in-app purchases, starting at $4.99 per month and Quarry sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

AlgoLearn ships an update every 3 weeks, Quarry every 2 months. Both last shipped on November 13, 2026.

## The numbers

| Metric | AlgoLearn | Quarry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quarry-sql-and-data-interview/id6785931623/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 20 MB | 129 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alice-Georgiana TURCANU](https://appshunter.io/developer/1834220789) | [Mayank Gulaty](https://appshunter.io/developer/1850701548) |

## What reviewers say

### AlgoLearn

[App page](https://appshunter.io/ios/app/algolearn-interview-prep/id6782004232)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlgoLearn Pro Monthly | $4.99 | per month |
| AlgoLearn Pro Yearly | $49.99 | per year |


### Quarry

[App page](https://appshunter.io/ios/app/quarry-sql-and-data-interview/id6785931623)

Practice data engineering interviews offline with real SQL and Python coding. Get instant grading, detailed feedback, and company-style problems. Features daily challenges, progress tracking, and a free-form playground.

**Highlights:** Offline SQL and Python practice, Instant grading and feedback, Company-style interview problems, Daily problem challenges, Progress tracking and streaks, Free-form coding playground

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is AlgoLearn free?

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

### Is Quarry free?

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

### Do AlgoLearn or Quarry have ads?

Neither AlgoLearn nor Quarry shows ads.

### Which is updated more often, AlgoLearn or Quarry?

AlgoLearn ships an update every 3 weeks, and Quarry every 2 months. Most recently, AlgoLearn was updated on November 13, 2026 and Quarry on November 13, 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.*