# Prism Toy vs echopaint

The clearest difference is price: echopaint at Free against Prism Toy's $0.99. echopaint also leads on update cadence (weekly vs monthly). Prism Toy's advantage is iOS requirement (10.0 vs 17.4). On ads, in-app purchases and device support there is nothing between them.

echopaint is free to download; Prism Toy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Prism Toy ships an update monthly, echopaint weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Prism Toy | echopaint |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (75 ratings)](https://appshunter.io/ios/app/prism-toy/id1405930340/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Paid | — |
| Size | 15 MB | 1 MB |
| Requires iOS | **10.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PDJ Apps](https://appshunter.io/developer/290231771) | [Riley Williams](https://appshunter.io/developer/1848023764) |

## What reviewers say

### Prism Toy

[App page](https://appshunter.io/ios/app/prism-toy/id1405930340)

Interact with a virtual prism and light source to create and manipulate rainbows. Control light spread with one finger and prism rotation/size with two fingers.

**Highlights:** Virtual prism interaction, Light source manipulation, Rainbow generation, One-finger light control, Two-finger prism control

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

**In-app purchases:** none


### echopaint

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prism Toy free?

Prism Toy costs $0.99, with no in-app purchases.

### Is echopaint free?

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

### Do Prism Toy or echopaint have ads?

Neither Prism Toy nor echopaint shows ads.

### Which is updated more often, Prism Toy or echopaint?

Prism Toy ships an update monthly, and echopaint weekly. Most recently, Prism Toy was updated on October 27, 2026 and echopaint on October 28, 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.*