# VMS可视化管理系统 vs treVolo U

The clearest difference is device support: treVolo U at 3 against VMS可视化管理系统's 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | VMS可视化管理系统 | treVolo U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 63 MB | 130 MB |
| Requires iOS | **11.0** | 12.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [广东保伦电子股份有限公司](https://appshunter.io/developer/933187149) | [BenQ Corporation](https://appshunter.io/developer/503100832) |

## What reviewers say

### VMS可视化管理系统

[App page](https://appshunter.io/ios/app/vms/id1447835552)

**Features:** macOS Compatibility

**In-app purchases:** none


### treVolo U

[App page](https://appshunter.io/ios/app/trevolo-u/id1565297439)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VMS可视化管理系统 free?

VMS可视化管理系统 is free to download, with no in-app purchases.

### Is treVolo U free?

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

### Do VMS可视化管理系统 or treVolo U have ads?

Neither VMS可视化管理系统 nor treVolo U shows ads.

### Which is updated more often, VMS可视化管理系统 or treVolo U?

VMS可视化管理系统 ships an update every 2 months, and treVolo U every 2 months. Most recently, VMS可视化管理系统 was updated on October 7, 2026 and treVolo U on October 14, 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.*