# Chainfall vs 3D Four

The clearest difference is update cadence: Chainfall at every 3 weeks against 3D Four's every 3 months. Chainfall also leads on iOS requirement (15.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chainfall ships an update every 3 weeks, 3D Four every 3 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chainfall | 3D Four |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 405 MB | 4 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Fitcker OU](https://appshunter.io/developer/1679633501) | [Ayako Asayama](https://appshunter.io/developer/1702795563) |

## What reviewers say

### Chainfall

[App page](https://appshunter.io/ios/app/chainfall/id6754880152)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3D Four

[App page](https://appshunter.io/ios/app/3d-four/id6755324413)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chainfall free?

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

### Is 3D Four free?

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

### Do Chainfall or 3D Four have ads?

Both Chainfall and 3D Four show ads.

### Which is updated more often, Chainfall or 3D Four?

Chainfall ships an update every 3 weeks, and 3D Four every 3 months. Most recently, Chainfall was updated on October 28, 2026 and 3D Four on October 25, 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.*