# Ions 2+ vs Internal Waves

The clearest difference is review sentiment: Ions 2+ at 94% against Internal Waves's 0%. Ions 2+ also leads on rating (4.8 vs 2.0) and in-app purchases (none vs 2). Internal Waves's advantage is price (Free vs $1.99) and update cadence (every 10 days vs every 15 months). On device support there is nothing between them.

Internal Waves is free to download; Ions 2+ costs $1.99 up front. Internal Waves sells 2 in-app purchases, starting at $2.99 per month. Ions 2+ asks for nothing beyond the download.

Ions 2+ holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Ions 2+ has 39 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 94% of Ions 2+'s written reviews are positive against 0% of Internal Waves's.

Ions 2+ ships an update every 15 months, Internal Waves every 10 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Ions 2+ | Internal Waves |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.8 (39 ratings)](https://appshunter.io/ios/app/ions-2-plus/id1025193815/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/internal-waves-particle-flow/id6748045391/reviews) |
| Number of ratings | **39** | 1 |
| Positive reviews | **93.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 49 MB | 133 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Douglas Applewhite](https://appshunter.io/developer/414602150) | [Riley McKinnon](https://appshunter.io/developer/1824077312) |

## What reviewers say

### Ions 2+

[App page](https://appshunter.io/ios/app/ions-2-plus/id1025193815)

Explore a dynamic particle simulation with extensive customization options. Control ion color, size, shape, and trails. Utilize device motion and advanced grid placement for unique creations. Supports a high particle count for detailed simulations.

**Highlights:** Customizable ion color and size, Shape and trail effects, Accelerometer control, Rectangular and polar grids, High particle count (up to 100,000), Save custom layouts and looks

**Features:** macOS Compatibility

**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 Ions 2+ free?

Ions 2+ costs $1.99, with no in-app purchases.

### Is Internal Waves free?

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

### Which has better reviews, Ions 2+ or Internal Waves?

Ions 2+ is rated higher. Ions 2+ averages 4.8 out of 5 from 39 ratings, while Internal Waves averages 2.0 from 1 ratings.

### Do Ions 2+ or Internal Waves have ads?

Internal Waves shows ads; Ions 2+ does not.

### Which is updated more often, Ions 2+ or Internal Waves?

Ions 2+ ships an update every 15 months, and Internal Waves every 10 days. Most recently, Ions 2+ was updated on November 1, 2026 and Internal Waves on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*