# echopaint vs Pendulum Wave 3D

The clearest difference is iOS requirement: Pendulum Wave 3D at 15.0 against echopaint's 17.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

echopaint ships an update weekly, Pendulum Wave 3D every 10 days. Both last shipped on September 30, 2026.

## The numbers

| Metric | echopaint | Pendulum Wave 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 1 MB | 10 MB |
| Requires iOS | 17.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Riley Williams](https://appshunter.io/developer/1848023764) | [Takashi Nemoto](https://appshunter.io/developer/6790828928) |

## What reviewers say

### echopaint

[App page](https://appshunter.io/ios/app/echopaint/id6754354177)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pendulum Wave 3D

[App page](https://appshunter.io/ios/app/pendulum-wave-3d/id6794791818)

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

**In-app purchases:** none


## Frequently asked questions

### Is echopaint free?

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

### Is Pendulum Wave 3D free?

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

### Do echopaint or Pendulum Wave 3D have ads?

Neither echopaint nor Pendulum Wave 3D shows ads.

### Which is updated more often, echopaint or Pendulum Wave 3D?

echopaint ships an update weekly, and Pendulum Wave 3D every 10 days. Most recently, echopaint was updated on September 30, 2026 and Pendulum Wave 3D 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.*