# Coding Interview vs Sharpen Algorithms

The clearest difference is in-app purchases: Sharpen Algorithms at none against Coding Interview's 2. Sharpen Algorithms also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Coding Interview sells 2 in-app purchases, starting at $29.99 per month. Sharpen Algorithms asks for nothing beyond the download.

Coding Interview ships an update weekly, Sharpen Algorithms fortnightly. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Coding Interview | Sharpen Algorithms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Size | 90 MB | 28 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mooshuroi Ltd](https://appshunter.io/developer/1895632109) | [Ivan Silvero](https://appshunter.io/developer/6774316127) |

## What reviewers say

### Coding Interview

[App page](https://appshunter.io/ios/app/coding-interview-algo-mind/id6764086152)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlgoMind Pro Monthly | $29.99 | per month |
| AlgoMind Pro Annual | $89.99 | per year |


### Sharpen Algorithms

[App page](https://appshunter.io/ios/app/sharpen-algorithms/id6774316125)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coding Interview free?

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

### Is Sharpen Algorithms free?

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

### Do Coding Interview or Sharpen Algorithms have ads?

Coding Interview shows ads; Sharpen Algorithms does not.

### Which is updated more often, Coding Interview or Sharpen Algorithms?

Coding Interview ships an update weekly, and Sharpen Algorithms fortnightly. Most recently, Coding Interview was updated on October 11, 2026 and Sharpen Algorithms on September 28, 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.*