# 504 Express vs Kipass Pro

The clearest difference is iOS requirement: Kipass Pro at 13.0 against 504 Express's 15.6. 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.

504 Express ships an update every 5 weeks, Kipass Pro monthly. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 504 Express | Kipass Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/504-express/id6475613266/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 58 MB | 36 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SISOFTC](https://appshunter.io/developer/1302911829) | [WEBS.HN](https://appshunter.io/developer/1489892981) |

## What reviewers say

### 504 Express

[App page](https://appshunter.io/ios/app/504-express/id6475613266)

Track your online purchases from the moment they arrive at your Miami locker. Receive notifications and full traceability with status bars and location windows. Access comprehensive support to stay informed about your shipments.

**Highlights:** Package tracking from Miami locker, Real-time notifications, Full shipment traceability, Status bar progress updates, Location windows, Comprehensive customer support

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

**In-app purchases:** none


### Kipass Pro

[App page](https://appshunter.io/ios/app/kipass-pro/id6757801147)

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

**In-app purchases:** none


## Frequently asked questions

### Is 504 Express free?

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

### Is Kipass Pro free?

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

### Do 504 Express or Kipass Pro have ads?

Neither 504 Express nor Kipass Pro shows ads.

### Which is updated more often, 504 Express or Kipass Pro?

504 Express ships an update every 5 weeks, and Kipass Pro monthly. Most recently, 504 Express was updated on October 25, 2026 and Kipass Pro on October 16, 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.*