# Particles vs FocusIsle

The clearest difference is in-app purchases: Particles at none against FocusIsle's 1. On price, update cadence, ads and device support there is nothing between them.

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

Particles ships an update every 4 days, FocusIsle every 5 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Particles | FocusIsle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 58 MB | 97 MB |
| Requires iOS | **15.4** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Masturzo](https://appshunter.io/developer/1629443128) | [FindFire, Inc.](https://appshunter.io/developer/1707820732) |

## What reviewers say

### Particles

[App page](https://appshunter.io/ios/app/particles-binaural-experience/id1629443126)

**In-app purchases:** none


### FocusIsle

[App page](https://appshunter.io/ios/app/focusisle-deep-work-sounds/id6478543801)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $3.99 | one-time |


## Frequently asked questions

### Is Particles free?

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

### Is FocusIsle free?

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

### Do Particles or FocusIsle have ads?

Neither Particles nor FocusIsle shows ads.

### Which is updated more often, Particles or FocusIsle?

Particles ships an update every 4 days, and FocusIsle every 5 days. Most recently, Particles was updated on November 3, 2026 and FocusIsle on November 4, 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.*