Prism Toy vs echopaint
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prism Toy
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.
- Virtual prism interaction
- Light source manipulation
- Rainbow generation
- One-finger light control
- Two-finger prism control
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Play with a prism and a light source. Split the light into a rainbow. One finger controls the light and its spread. Two fingers control the rotation location and size of the prism.
echopaint
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EchoDraw is an interactive art and design app that lets you draw with perfect symmetry, reflection, and feedback effects in real time. Every stroke echoes across the canvas, creating mesmerizing shapes, patterns, and living artwork. Whether you’re sketching ideas, exploring geometry, or just relaxing through creative motion — EchoDraw makes it effortless to transform simple lines into flowing, mirrored compositions. Perfect for artists, designers, and anyone who loves visual experimentation.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 24, 2026 and October 16, 2026 respectively.
| Parameter | Prism Toy | echopaint |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.5 (75 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 75 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | PDJ Apps | Riley Williams |
In-app purchases
Prism Toy
No in-app purchases
echopaint
No in-app purchases
