# Particles AR vs AirPiano App

The clearest difference is in-app purchases: Particles AR at none against AirPiano App's 1. Particles AR also leads on iOS requirement (15.6 vs 26.0). AirPiano App's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. AirPiano App sells 1 one-off in-app purchase. Particles AR asks for nothing beyond the download.

Particles AR ships an update every 4 months, AirPiano App weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Particles AR | AirPiano App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 160 MB | 33 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piano Particles](https://appshunter.io/developer/1836489006) | [Stones of Fire](https://appshunter.io/developer/1565041199) |

## What reviewers say

### Particles AR

[App page](https://appshunter.io/ios/app/particles-ar/id6751732015)

**Features:** macOS Compatibility

**In-app purchases:** none


### AirPiano App

[App page](https://appshunter.io/ios/app/airpiano-app/id6768062644)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |


## Frequently asked questions

### Is Particles AR free?

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

### Is AirPiano App free?

AirPiano App is free to download, with in-app purchases available.

### Do Particles AR or AirPiano App have ads?

Neither Particles AR nor AirPiano App shows ads.

### Which is updated more often, Particles AR or AirPiano App?

Particles AR ships an update every 4 months, and AirPiano App weekly. Most recently, Particles AR was updated on October 30, 2026 and AirPiano App on November 5, 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.*