# Passtab Visitor Management vs Kai's Virtual Viewer

The clearest difference is device support: Kai's Virtual Viewer at 3 against Passtab Visitor Management'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 November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Passtab Visitor Management | Kai's Virtual Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/kais-virtual-viewer/id1460744916/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 20 MB | 351 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Invision](https://appshunter.io/developer/558791158) | [Kai's Education Limited](https://appshunter.io/developer/1460744915) |

## What reviewers say

### Passtab Visitor Management

[App page](https://appshunter.io/ios/app/passtab-visitor-management/id1184761218)

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

**In-app purchases:** none


### Kai's Virtual Viewer

[App page](https://appshunter.io/ios/app/kais-virtual-viewer/id1460744916)

This app brings physical robots to life in augmented reality, allowing users to code their movements and complete missions. It bridges the gap between the physical and virtual worlds for an interactive learning experience.

**Highlights:** Augmented Reality (AR) integration, Code robot movements, Complete virtual missions, Themed mat interaction, Cross-device coding (Kai Blockly), Virtual Reality (VR) mode available

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Passtab Visitor Management free?

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

### Is Kai's Virtual Viewer free?

Kai's Virtual Viewer is free to download, with no in-app purchases.

### Do Passtab Visitor Management or Kai's Virtual Viewer have ads?

Neither Passtab Visitor Management nor Kai's Virtual Viewer shows ads.

### Which is updated more often, Passtab Visitor Management or Kai's Virtual Viewer?

Passtab Visitor Management ships an update every 2 months, and Kai's Virtual Viewer every 2 months. Most recently, Passtab Visitor Management was updated on November 6, 2026 and Kai's Virtual Viewer on November 3, 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.*