# LOOI vs SereniBrain

The clearest difference is review sentiment: SereniBrain at 100% against LOOI's 39%. SereniBrain also leads on rating (4.7 vs 3.3) and device support (3 vs 1). LOOI's advantage is ratings volume (161 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 3.3. That said, the two scores are not equally well evidenced: LOOI has 161 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 39% of LOOI's written reviews are positive against 100% of SereniBrain's.

LOOI ships an update every 3 weeks, SereniBrain every 4 weeks. Both last shipped on October 6, 2026.

## The numbers

| Metric | LOOI | SereniBrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (161 ratings)](https://appshunter.io/ios/app/looi/id6474993624/reviews) | **[4.7 (13 ratings)](https://appshunter.io/ios/app/serenibrain/id6479871875/reviews)** |
| Number of ratings | **161** | 13 |
| Positive reviews | 39.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 1.0 GB | 341 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [TangibleFuture (Dongguan) Intelligent Hardware Co.,Ltd.](https://appshunter.io/developer/1679680362) | [华南脑控(广东)智能科技有限公司](https://appshunter.io/developer/1728613747) |

## What reviewers say

### LOOI

[App page](https://appshunter.io/ios/app/looi/id6474993624)

Transform your phone into a smart desktop robot companion. This app enables a playful, evolving personality with LLM integration for enhanced intelligence. It offers visual recognition, voice commands, and emotional responses for limitless interaction.

**Highlights:** AI-powered personality evolution, LLM integration for enhanced intelligence, Facial and object recognition, Natural language voice commands, Emotional responses and custom actions, Weather and schedule reminders

**In-app purchases:** none

**What reviewers like**

- 😊 Engaging and fun companion for conversation
- 💬 Good ChatGPT integration for intelligent responses
- 🎮 Fun games and interactive activities
- 📱 Works as wireless phone charger
- 🎨 Cute and appealing character design

**What reviewers complain about**

- 🐛 App crashes frequently on startup
- 🎤 Wake word 'Hey Looi' doesn't work reliably
- 🔊 Voice recognition fails consistently
- 📱 Incompatible with newer iPhone models (iOS 26+)
- ⚫ Doesn't work on dark surfaces or desks

**Reported bugs**

- App crashes on launch
- Wake word recognition failure
- Voice recognition not working
- Permission registration fails on iOS 26+
- Motion & Fitness permissions not registering

**Requested features**

- Chinese language support (most requested)
- French language support
- Spanish language support
- Multiple voice options to choose from
- Voice customization and locking preferred voice


### 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


## Frequently asked questions

### Is LOOI free?

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

### Is SereniBrain free?

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

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

SereniBrain is rated higher. LOOI averages 3.3 out of 5 from 161 ratings, while SereniBrain averages 4.7 from 13 ratings.

### Do LOOI or SereniBrain have ads?

Neither LOOI nor SereniBrain shows ads.

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

LOOI ships an update every 3 weeks, and SereniBrain every 4 weeks. Most recently, LOOI was updated on October 6, 2026 and SereniBrain on October 6, 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.*