# Passtab Visitor Management vs Decodable Readers L4 Sample

The clearest difference is update cadence: Passtab Visitor Management at every 2 months against Decodable Readers L4 Sample's every 14 months. Decodable Readers L4 Sample's advantage is device support (3 vs 1) and iOS requirement (10.2 vs 15.0). On price, 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.

Passtab Visitor Management ships an update every 2 months, Decodable Readers L4 Sample every 14 months. The most recent releases landed on October 17, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Passtab Visitor Management | Decodable Readers L4 Sample |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Size | 20 MB | 96 MB |
| Requires iOS | 15.0 | **10.2** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Invision](https://appshunter.io/developer/558791158) | [Decodable Readers Australia](https://appshunter.io/developer/1291420175) |

## 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


### Decodable Readers L4 Sample

[App page](https://appshunter.io/ios/app/decodable-readers-l4-sample/id1450470190)

**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 Decodable Readers L4 Sample free?

Decodable Readers L4 Sample is free to download, with no in-app purchases.

### Do Passtab Visitor Management or Decodable Readers L4 Sample have ads?

Neither Passtab Visitor Management nor Decodable Readers L4 Sample shows ads.

### Which is updated more often, Passtab Visitor Management or Decodable Readers L4 Sample?

Passtab Visitor Management ships an update every 2 months, and Decodable Readers L4 Sample every 14 months. Most recently, Passtab Visitor Management was updated on October 17, 2026 and Decodable Readers L4 Sample on November 2, 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.*