# Quarry vs Codebasics

The clearest difference is update cadence: Codebasics at every 10 days against Quarry's every 4 months. Codebasics also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Quarry ships an update every 4 months, Codebasics every 10 days. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Quarry | Codebasics |
| --- | --- | --- |
| 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 | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 128 MB | 45 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mayank Gulaty](https://appshunter.io/developer/1850701548) | [Codebasics](https://appshunter.io/developer/6789604015) |

## What reviewers say

### 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 challenges. Get instant feedback on your solutions and learn from detailed explanations. Designed for mobile devices, it offers a private and focused learning environment.

**Highlights:** Offline SQL and Python practice, Instant grading and feedback, Company-style interview problems, 168 problems across SQL, pandas, and Python, Free-form coding playground, Hints and full solutions

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

**In-app purchases:** none


### Codebasics

[App page](https://appshunter.io/ios/app/codebasics/id6789604013)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quarry free?

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

### Is Codebasics free?

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

### Do Quarry or Codebasics have ads?

Neither Quarry nor Codebasics shows ads.

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

Quarry ships an update every 4 months, and Codebasics every 10 days. Most recently, Quarry was updated on November 10, 2026 and Codebasics on October 31, 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.*