# JUMO Device vs GuangYan

The clearest difference is iOS requirement: JUMO Device at 13.0 against GuangYan's 15.5. 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.

JUMO Device ships an update every 3 months, GuangYan every 2 months. The most recent releases landed on September 14, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | JUMO Device | GuangYan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 4 MB | 47 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [JUMO GmbH & Co. KG](https://appshunter.io/developer/1023671932) | [Liao Yunhua](https://appshunter.io/developer/1393936444) |

## What reviewers say

### JUMO Device

[App page](https://appshunter.io/ios/app/jumo-device/id1023671933)

**Features:** macOS Compatibility

**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 JUMO Device free?

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

### Is GuangYan free?

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

### Do JUMO Device or GuangYan have ads?

Neither JUMO Device nor GuangYan shows ads.

### Which is updated more often, JUMO Device or GuangYan?

JUMO Device ships an update every 3 months, and GuangYan every 2 months. Most recently, JUMO Device was updated on September 14, 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.*