# 3D vs Black Octopus 3D

The clearest difference is in-app purchases: Black Octopus 3D at none against 3D's 3. Black Octopus 3D also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (15.0 vs 17.2). On price, ads and device support there is nothing between them.

Both are free to download. 3D sells 3 in-app purchases, starting at $19.99 per 7 days. Black Octopus 3D asks for nothing beyond the download.

3D ships an update every 2 months, Black Octopus 3D every 9 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 3D | Black Octopus 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 45 MB | 146 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Sidekick Interactive, Inc.](https://appshunter.io/developer/490552471) | [TechMed 3D](https://appshunter.io/developer/964196047) |

## What reviewers say

### 3D

[App page](https://appshunter.io/ios/app/3d-sidekick/id6739503140)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $19.99 | per 7 days |
| Monthly Plan | $49.99 | per month |
| Annual Plan | $499.99 | per year |


### Black Octopus 3D

[App page](https://appshunter.io/ios/app/black-octopus-3d/id6755391757)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3D free?

3D is free to download, with in-app purchases available.

### Is Black Octopus 3D free?

Black Octopus 3D is free to download, with no in-app purchases.

### Do 3D or Black Octopus 3D have ads?

Neither 3D nor Black Octopus 3D shows ads.

### Which is updated more often, 3D or Black Octopus 3D?

3D ships an update every 2 months, and Black Octopus 3D every 9 days. Most recently, 3D was updated on October 25, 2026 and Black Octopus 3D on October 12, 2026.

---

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