# Octopus vs Chartlotse

The clearest difference is in-app purchases: Chartlotse at none against Octopus's 4. Chartlotse also leads on ads (none vs shown) and update cadence (weekly vs monthly). Octopus's advantage is iOS requirement (13.6 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Octopus sells 4 in-app purchases, starting at $9.99 per month. Chartlotse asks for nothing beyond the download.

Octopus ships an update monthly, Chartlotse weekly. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Octopus | Chartlotse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/octopus-learn-programming/id1565140788/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 71.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 30 MB |
| Requires iOS | **13.6** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alaa CHERBIB](https://appshunter.io/developer/1097070945) | [Benjamin Adami](https://appshunter.io/developer/6800387525) |

## What reviewers say

### Octopus

[App page](https://appshunter.io/ios/app/octopus-learn-programming/id1565140788)

Learn to code in popular languages like Python, Java, Swift, and JavaScript, plus web development with HTML and CSS. Offers detailed tutorials and interactive exercises for all skill levels. Join a community of learners to advance your programming journey.

**Highlights:** Learn Python, Java, Swift, JavaScript, Web development with HTML and CSS, Detailed tutorials, Interactive coding exercises, Community collaboration, Courses for all levels

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learn programming - 1 Month | $9.99 | per month |
| Learn programming - 3 Months | $24.99 | per 3 months |
| Learn programming - 1 Year | $84.99 | per year |
| Learn programming - No limits | $44.99 | one-time |


### Chartlotse

[App page](https://appshunter.io/ios/app/chartlotse-learn-trading/id6800387373)

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

**In-app purchases:** none


## Frequently asked questions

### Is Octopus free?

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

### Is Chartlotse free?

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

### Do Octopus or Chartlotse have ads?

Octopus shows ads; Chartlotse does not.

### Which is updated more often, Octopus or Chartlotse?

Octopus ships an update monthly, and Chartlotse weekly. Most recently, Octopus was updated on October 15, 2026 and Chartlotse on October 11, 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.*