# Algo Demo vs Coding Interview

The clearest difference is in-app purchases: Algo Demo at none against Coding Interview's 2. Algo Demo also leads on iOS requirement (13.0 vs 16.0). Coding Interview's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

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

Algo Demo ships an update every 4 months, Coding Interview weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Algo Demo | Coding Interview |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Size | 36 MB | 93 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [zhuo zeng](https://appshunter.io/developer/1435764582) | [Mooshuroi Ltd](https://appshunter.io/developer/1895632109) |

## What reviewers say

### Algo Demo

[App page](https://appshunter.io/ios/app/algo-demo/id6746090108)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Algo Demo free?

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

### Is Coding Interview free?

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

### Do Algo Demo or Coding Interview have ads?

Both Algo Demo and Coding Interview show ads.

### Which is updated more often, Algo Demo or Coding Interview?

Algo Demo ships an update every 4 months, and Coding Interview weekly. Most recently, Algo Demo was updated on October 25, 2026 and Coding Interview on October 24, 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.*