# echopaint vs Harmonograph

The clearest difference is ads: echopaint at none against Harmonograph's shown. On price, update cadence, 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.

echopaint ships an update weekly, Harmonograph every 10 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | echopaint | Harmonograph |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.4 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| 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


### Harmonograph

[App page](https://appshunter.io/ios/app/harmonograph-pendulum-art/id6794857269)

**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 Harmonograph free?

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

### Do echopaint or Harmonograph have ads?

Harmonograph shows ads; echopaint does not.

### Which is updated more often, echopaint or Harmonograph?

echopaint ships an update weekly, and Harmonograph every 10 days. Most recently, echopaint was updated on October 16, 2026 and Harmonograph on October 2, 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.*