# 2Flex IOT vs GuangYan

The clearest difference is update cadence: 2Flex IOT at every 3 weeks against GuangYan's every 2 months. 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.

2Flex IOT ships an update every 3 weeks, GuangYan every 2 months. The most recent releases landed on September 16, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | 2Flex IOT | GuangYan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 128 MB | 47 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [2 FLEX TELECOM](https://appshunter.io/developer/1811212874) | [Liao Yunhua](https://appshunter.io/developer/1393936444) |

## What reviewers say

### 2Flex IOT

[App page](https://appshunter.io/ios/app/2flex-iot/id6529533176)

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

**In-app purchases:** none


### GuangYan

[App page](https://appshunter.io/ios/app/guangyan/id6747191536)

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

**In-app purchases:** none


## Frequently asked questions

### Is 2Flex IOT free?

2Flex IOT is free to download, with no in-app purchases.

### Is GuangYan free?

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

### Do 2Flex IOT or GuangYan have ads?

Neither 2Flex IOT nor GuangYan shows ads.

### Which is updated more often, 2Flex IOT or GuangYan?

2Flex IOT ships an update every 3 weeks, and GuangYan every 2 months. Most recently, 2Flex IOT was updated on September 16, 2026 and GuangYan on July 4, 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.*