# GoodVibeSleep vs Brain spa(N3)

The clearest difference is iOS requirement: GoodVibeSleep at 12.0 against Brain spa(N3)'s 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GoodVibeSleep ships an update every 3 weeks, Brain spa(N3) every 6 weeks. Both last shipped on October 12, 2026.

## The numbers

| Metric | GoodVibeSleep | Brain spa(N3) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 68 MB | 12 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) | [N.CER Co., Limited](https://appshunter.io/developer/1537925998) |

## What reviewers say

### GoodVibeSleep

[App page](https://appshunter.io/ios/app/goodvibesleep/id6474985884)

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

**In-app purchases:** none


### Brain spa(N3)

[App page](https://appshunter.io/ios/app/brain-span3/id6478898385)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GoodVibeSleep free?

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

### Is Brain spa(N3) free?

Brain spa(N3) is free to download, with no in-app purchases.

### Do GoodVibeSleep or Brain spa(N3) have ads?

Neither GoodVibeSleep nor Brain spa(N3) shows ads.

### Which is updated more often, GoodVibeSleep or Brain spa(N3)?

GoodVibeSleep ships an update every 3 weeks, and Brain spa(N3) every 6 weeks. Most recently, GoodVibeSleep was updated on October 12, 2026 and Brain spa(N3) on October 12, 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.*