# BigO Algorithms vs Algorithm Fundamentals

The clearest difference is in-app purchases: Algorithm Fundamentals at none against BigO Algorithms's 2. Algorithm Fundamentals also leads on iOS requirement (15.1 vs 18.6). On price, 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. Algorithm Fundamentals asks for nothing beyond the download.

## The numbers

| Metric | BigO Algorithms | Algorithm Fundamentals |
| --- | --- | --- |
| 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 | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 38 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) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## 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 |


### Algorithm Fundamentals

[App page](https://appshunter.io/ios/app/algorithm-fundamentals/id6771634571)

**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 Algorithm Fundamentals free?

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

### Do BigO Algorithms or Algorithm Fundamentals have ads?

Neither BigO Algorithms nor Algorithm Fundamentals shows ads.

---

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