# Siege VMS vs AccessFlow  Visitor

The clearest difference is update cadence: AccessFlow  Visitor at every 2 weeks against Siege VMS's every 13 months. Siege VMS's advantage is iOS requirement (11.0 vs 15.6). 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.

Siege VMS ships an update every 13 months, AccessFlow  Visitor every 2 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Siege VMS | AccessFlow  Visitor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Size | 36 MB | 73 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siege DNA Pty Ltd](https://appshunter.io/developer/1489086466) | [ACCESS FLOW GLOBAL PTY LTD](https://appshunter.io/developer/1832915880) |

## What reviewers say

### Siege VMS

[App page](https://appshunter.io/ios/app/siege-vms/id1555837125)

**Features:** macOS Compatibility

**In-app purchases:** none


### AccessFlow  Visitor

[App page](https://appshunter.io/ios/app/accessflow-visitor/id6749928376)

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

**In-app purchases:** none


## Frequently asked questions

### Is Siege VMS free?

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

### Is AccessFlow  Visitor free?

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

### Do Siege VMS or AccessFlow  Visitor have ads?

Neither Siege VMS nor AccessFlow  Visitor shows ads.

### Which is updated more often, Siege VMS or AccessFlow  Visitor?

Siege VMS ships an update every 13 months, and AccessFlow  Visitor every 2 weeks. Most recently, Siege VMS was updated on September 17, 2026 and AccessFlow  Visitor on September 10, 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.*