# 纳云安防 vs Letianpai

The clearest difference is update cadence: 纳云安防 at weekly against Letianpai's every 3 weeks. 纳云安防 also leads on iOS requirement (10.3 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

纳云安防 ships an update weekly, Letianpai every 3 weeks. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 纳云安防 | Letianpai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/letianpai/id6502999694/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 100 MB | 76 MB |
| Requires iOS | **10.3** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Qingdao hainayun Technology Holding Co., Ltd](https://appshunter.io/developer/1506154515) | [北京人和家科技有限公司](https://appshunter.io/developer/1698843685) |

## What reviewers say

### 纳云安防

[App page](https://appshunter.io/ios/app/id1504634664)

**In-app purchases:** none


### 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 纳云安防 free?

纳云安防 is free to download, with no in-app purchases.

### Is Letianpai free?

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

### Do 纳云安防 or Letianpai have ads?

Neither 纳云安防 nor Letianpai shows ads.

### Which is updated more often, 纳云安防 or Letianpai?

纳云安防 ships an update weekly, and Letianpai every 3 weeks. Most recently, 纳云安防 was updated on October 25, 2026 and Letianpai 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.*