# Flasia HD vs Internal Waves

The clearest difference is review sentiment: Flasia HD at 100% against Internal Waves's 0%. Flasia HD also leads on rating (4.6 vs 2.0) and in-app purchases (none vs 2). Internal Waves's advantage is price (Free vs $3.99) and update cadence (every 10 days vs every 5 months). On device support there is nothing between them.

Internal Waves is free to download; Flasia HD costs $3.99 up front. Internal Waves sells 2 in-app purchases, starting at $2.99 per month. Flasia HD asks for nothing beyond the download.

Flasia HD holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Flasia HD has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Flasia HD's written reviews are positive against 0% of Internal Waves's.

Flasia HD ships an update every 5 months, Internal Waves every 10 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flasia HD | Internal Waves |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/flasia-hd/id976926654/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/internal-waves-particle-flow/id6748045391/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 59 MB | 133 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SungLab Inc](https://appshunter.io/developer/1691666995) | [Riley McKinnon](https://appshunter.io/developer/1824077312) |

## What reviewers say

### Flasia HD

[App page](https://appshunter.io/ios/app/flasia-hd/id976926654)

This interactive visualizer creates beautiful, artistic displays inspired by natural phenomena like fireworks and fluid dynamics. It offers creative thinking tools and can serve as entertainment or interior decor for art enthusiasts.

**Highlights:** 5-finger multi-touch display, Customizable particle length, number, and size, Two play modes: gesture control and multi-touch drawing, Fluid effect with high FPS, Music options by Aden Ray

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

**In-app purchases:** none


### Internal Waves

[App page](https://appshunter.io/ios/app/internal-waves-particle-flow/id6748045391)

Create interactive particle art that responds to touch and music. This mindfulness experience offers a calming way to express yourself with light and motion, perfect for relaxation or creative exploration. Features AR mode for painting in your real-world space.

**Highlights:** Interactive particle art creation, Music-reactive visuals, Augmented Reality (AR) mode, Multi-touch drawing, Customizable particle effects, Mindfulness and relaxation focus

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Particle Flow Premium–Monthly | $2.99 | per month |
| Particle Flow Premium – Yearly | $9.99 | per year |


## Frequently asked questions

### Is Flasia HD free?

Flasia HD costs $3.99, with no in-app purchases.

### Is Internal Waves free?

Internal Waves is free to download, with in-app purchases available.

### Which has better reviews, Flasia HD or Internal Waves?

Flasia HD is rated higher. Flasia HD averages 4.6 out of 5 from 11 ratings, while Internal Waves averages 2.0 from 1 ratings.

### Do Flasia HD or Internal Waves have ads?

Internal Waves shows ads; Flasia HD does not.

### Which is updated more often, Flasia HD or Internal Waves?

Flasia HD ships an update every 5 months, and Internal Waves every 10 days. Most recently, Flasia HD was updated on November 1, 2026 and Internal Waves on October 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.*