# BrainPatch e vs Sia

The clearest difference is in-app purchases: BrainPatch e at none against Sia's 8. BrainPatch e also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sia sells 8 in-app purchases, starting at $4.99 per month. BrainPatch e asks for nothing beyond the download.

BrainPatch e ships an update every 3 weeks, Sia every 2 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | BrainPatch e | Sia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 39 MB | 116 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [BrainPatch Ltd.](https://appshunter.io/developer/1526456746) | [Markus Fordemann](https://appshunter.io/developer/1679561698) |

## What reviewers say

### BrainPatch e

[App page](https://appshunter.io/ios/app/brainpatch-e-meditation/id1526456744)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sia

[App page](https://appshunter.io/ios/app/sia-sensory-overload-relief/id6612021805)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Supporter | $4.99 | per month |
| Sia Plus | $5.99 | per month |
| Sia Plus | $34.99 | per year |
| Annual Supporter | $44.99 | per year |
| Thanks Micro Tip | $0.99 | one-time |
| Plant a Seed | $2.99 | one-time |
| Nurture Growth | $8.99 | one-time |
| Sia Plus Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is BrainPatch e free?

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

### Is Sia free?

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

### Do BrainPatch e or Sia have ads?

Sia shows ads; BrainPatch e does not.

### Which is updated more often, BrainPatch e or Sia?

BrainPatch e ships an update every 3 weeks, and Sia every 2 weeks. Most recently, BrainPatch e was updated on November 7, 2026 and Sia on November 8, 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.*