# Octopus vs Cannabis Certification Prep

The clearest difference is ads: Cannabis Certification Prep at none against Octopus's shown. Cannabis Certification Prep also leads on update cadence (every 9 days vs monthly). Octopus's advantage is iOS requirement (13.6 vs 15.0). On price, in-app purchases 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 and Cannabis Certification Prep sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Octopus ships an update monthly, Cannabis Certification Prep every 9 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Octopus | Cannabis Certification Prep |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 23 MB |
| Requires iOS | **13.6** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alaa CHERBIB](https://appshunter.io/developer/1097070945) | [Anthony Perry](https://appshunter.io/developer/1874405012) |

## 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 |


### Cannabis Certification Prep

[App page](https://appshunter.io/ios/app/cannabis-certification-prep/id6760583454)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cannabis Pro Weekly | $6.99 | per 7 days |
| Cannabis Pro Monthly | $12.99 | per month |
| Cannabis Pro Annual | $34.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Octopus free?

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

### Is Cannabis Certification Prep free?

Cannabis Certification Prep is free to download, with in-app purchases available.

### Do Octopus or Cannabis Certification Prep have ads?

Octopus shows ads; Cannabis Certification Prep does not.

### Which is updated more often, Octopus or Cannabis Certification Prep?

Octopus ships an update monthly, and Cannabis Certification Prep every 9 days. Most recently, Octopus was updated on October 7, 2026 and Cannabis Certification Prep on September 30, 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.*