# BigO Algorithms vs Codebasics

The clearest difference is in-app purchases: Codebasics at none against BigO Algorithms's 2. Codebasics also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BigO Algorithms sells 2 in-app purchases, starting at $7.99 per month. Codebasics asks for nothing beyond the download.

BigO Algorithms ships an update every 4 days, Codebasics weekly. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | BigO Algorithms | Codebasics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bigo-algorithms/id6761836617/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 33 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gregori Farias](https://appshunter.io/developer/1891708605) | [Codebasics](https://appshunter.io/developer/6789604015) |

## What reviewers say

### BigO Algorithms

[App page](https://appshunter.io/ios/app/bigo-algorithms/id6761836617)

This app provides a technical environment for software engineers and computer science students to prepare for interviews. It uses AI-powered mentorship and visual complexity curves to help users understand logic and analyze code errors.

**Highlights:** AI-powered mentorship, Dual-clue analysis (Static Blueprints & OpenAI), Big O complexity curve visualization, Dark-mode first aesthetic, Code error analysis, Logic-focused learning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BigO Premium Monthly | $7.99 | per month |
| BigO Premium Annual | $57.99 | per year |


### Codebasics

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

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

**In-app purchases:** none


## Frequently asked questions

### Is BigO Algorithms free?

BigO Algorithms is free to download, with in-app purchases available.

### Is Codebasics free?

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

### Do BigO Algorithms or Codebasics have ads?

Neither BigO Algorithms nor Codebasics shows ads.

### Which is updated more often, BigO Algorithms or Codebasics?

BigO Algorithms ships an update every 4 days, and Codebasics weekly. Most recently, BigO Algorithms was updated on October 8, 2026 and Codebasics 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.*
