# LOOI vs Letianpai

The clearest difference is rating: LOOI at 3.3 against Letianpai's 1.0. LOOI also leads on review sentiment (39% vs 0%) and ratings volume (161 vs 1). 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.

LOOI holds the better App Store score, 3.3 against 1.0. That said, the two scores are not equally well evidenced: LOOI has 161 ratings behind it against 1, 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 0% of Letianpai's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and May 27, 2026 respectively.

## The numbers

| Metric | LOOI | Letianpai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (161 ratings)](https://appshunter.io/ios/app/looi/id6474993624/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/letianpai/id6502999694/reviews) |
| Number of ratings | **161** | 1 |
| Positive reviews | **39.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 1.0 GB | 76 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [TangibleFuture (Dongguan) Intelligent Hardware Co.,Ltd.](https://appshunter.io/developer/1679680362) | [北京人和家科技有限公司](https://appshunter.io/developer/1698843685) |

## 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


### Letianpai

[App page](https://appshunter.io/ios/app/letianpai/id6502999694)

Control robots and integrate various sensors with this utility application. It allows for advanced customization and interaction with robotic hardware.

**Highlights:** Robot control, Sensor integration, Hardware interaction, Customization options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LOOI free?

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

### Is Letianpai free?

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

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

LOOI is rated higher. LOOI averages 3.3 out of 5 from 161 ratings, while Letianpai averages 1.0 from 1 ratings.

### Do LOOI or Letianpai have ads?

Neither LOOI nor Letianpai shows ads.

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

LOOI ships an update every 3 weeks, and Letianpai every 3 weeks. Most recently, LOOI was updated on September 22, 2026 and Letianpai on May 27, 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.*