# Coding Interview vs Data Structures and Algorithms

The clearest difference is ads: Data Structures and Algorithms at none against Coding Interview's shown. On price, update cadence, in-app purchases 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 and Data Structures and Algorithms sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Coding Interview ships an update weekly, Data Structures and Algorithms every 10 days. The most recent releases landed on September 25, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Coding Interview | Data Structures and Algorithms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Size | 100 MB | 36 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Raul Podar](https://appshunter.io/developer/1895632109) | [子健 高](https://appshunter.io/developer/1791450219) |

## 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 |


### Data Structures and Algorithms

[App page](https://appshunter.io/ios/app/data-structures-and-algorithms/id6783425095)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DSA | $2.99 | one-time |


## Frequently asked questions

### Is Coding Interview free?

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

### Is Data Structures and Algorithms free?

Data Structures and Algorithms is free to download, with in-app purchases available.

### Do Coding Interview or Data Structures and Algorithms have ads?

Coding Interview shows ads; Data Structures and Algorithms does not.

### Which is updated more often, Coding Interview or Data Structures and Algorithms?

Coding Interview ships an update weekly, and Data Structures and Algorithms every 10 days. Most recently, Coding Interview was updated on September 25, 2026 and Data Structures and Algorithms on September 29, 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.*