# SereniBrain vs HeyCyan

The clearest difference is review sentiment: SereniBrain at 100% against HeyCyan's 24%. SereniBrain also leads on rating (4.7 vs 2.6). HeyCyan's advantage is ratings volume (317 vs 13). 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.

SereniBrain holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: HeyCyan has 317 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 100% of SereniBrain's written reviews are positive against 24% of HeyCyan's.

SereniBrain ships an update every 4 weeks, HeyCyan every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SereniBrain | HeyCyan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/serenibrain/id6479871875/reviews)** | [2.6 (317 ratings)](https://appshunter.io/ios/app/heycyan/id6742974094/reviews) |
| Number of ratings | 13 | **317** |
| Positive reviews | **100.0% of reviews** | 23.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 343 MB | 250 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [华南脑控(广东)智能科技有限公司](https://appshunter.io/developer/1728613747) | [Shenzhen Qingcheng Future Technology Co., Ltd.](https://appshunter.io/developer/1800632657) |

## What reviewers say

### SereniBrain

[App page](https://appshunter.io/ios/app/serenibrain/id6479871875)

This tool uses brain-computer interface technology to guide users through meditation scenarios. It helps individuals learn meditation techniques to achieve relaxation for both body and mind. The app provides assessments, real-time feedback, and detailed analysis reports.

**Highlights:** Meditation State Assessment, Real-time Neural Feedback, Meditation Analysis Reports, Premium Practice Content

**Features:** Vision Pro support

**In-app purchases:** none


### HeyCyan

[App page](https://appshunter.io/ios/app/heycyan/id6742974094)

Connect your smart glasses to your smartphone for enhanced control and functionality. Manage settings, monitor battery and network, and access AI agents directly from your phone.

**Highlights:** Bluetooth pairing and control, Battery and network monitoring, WiFi hotspot creation, Media management (photos, calls), AI agent integration

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

**In-app purchases:** none


## Frequently asked questions

### Is SereniBrain free?

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

### Is HeyCyan free?

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

### Which has better reviews, SereniBrain or HeyCyan?

SereniBrain is rated higher. SereniBrain averages 4.7 out of 5 from 13 ratings, while HeyCyan averages 2.6 from 317 ratings.

### Do SereniBrain or HeyCyan have ads?

Neither SereniBrain nor HeyCyan shows ads.

### Which is updated more often, SereniBrain or HeyCyan?

SereniBrain ships an update every 4 weeks, and HeyCyan every 3 weeks. Most recently, SereniBrain was updated on October 27, 2026 and HeyCyan on October 28, 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.*