# Coders Gym vs BigO Algorithms

The clearest difference is ads: BigO Algorithms at none against Coders Gym's shown. Coders Gym's advantage is iOS requirement (13.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Coders Gym sells 3 one-off in-app purchases and BigO Algorithms sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Coders Gym | BigO Algorithms |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 25 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shilpee Haldar](https://appshunter.io/developer/1881917603) | [Gregori Farias](https://appshunter.io/developer/1891708605) |

## What reviewers say

### Coders Gym

[App page](https://appshunter.io/ios/app/coders-gym/id6761554050)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Coffee Tip | $4.99 | one-time |
| Large Coffee | $9.99 | one-time |


### 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 |


## Frequently asked questions

### Is Coders Gym free?

Coders Gym is free to download, with in-app purchases available.

### Is BigO Algorithms free?

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

### Do Coders Gym or BigO Algorithms have ads?

Coders Gym shows ads; BigO Algorithms does not.

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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.*