# iCoder vs Quarry

The clearest difference is price: Quarry at Free against iCoder's $1.29. Quarry also leads on in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Quarry is free to download; iCoder costs $1.29 up front. iCoder sells 1 one-off in-app purchase. Quarry asks for nothing beyond the download.

## The numbers

| Metric | iCoder | Quarry |
| --- | --- | --- |
| Price | $1.29 | **Free** |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/icoder-advanced-algorithms/id1458259471/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | — |
| Monetization | Paid | — |
| Size | 10 MB | 127 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [天从 何](https://appshunter.io/developer/914453386) | [Mayank Gulaty](https://appshunter.io/developer/1850701548) |

## What reviewers say

### iCoder

[App page](https://appshunter.io/ios/app/icoder-advanced-algorithms/id1458259471)

This app offers a comprehensive learning resource for algorithms and data structures, featuring a large question bank and interview preparation materials. It provides a powerful search engine and allows users to share progress with friends, making complex topics accessible for IT professionals.

**Highlights:** 1000+ algorithm question bank, IT company interview preparation, Powerful search engine, Shareable learning progress, Cross-platform support (iOS, iPadOS, macOS), Keyboard shortcuts for navigation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip the developer | $0.99 | one-time |


### Quarry

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

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

**In-app purchases:** none


## Frequently asked questions

### Is iCoder free?

iCoder costs $1.29, and also offers in-app purchases.

### Is Quarry free?

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

### Do iCoder or Quarry have ads?

Neither iCoder nor Quarry shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*