# Postal Codes International vs Itchen Transport Tracker

The clearest difference is iOS requirement: Itchen Transport Tracker at 16.2 against Postal Codes International's 26.0. 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.

Postal Codes International ships an update every 4 months, Itchen Transport Tracker every 5 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Postal Codes International | Itchen Transport Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Size | 8 MB | 55 MB |
| Requires iOS | 26.0 | **16.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [ElitAd Internet Limited](https://appshunter.io/developer/876372370) |

## What reviewers say

### Postal Codes International

[App page](https://appshunter.io/ios/app/postal-codes-international/id1662264053)

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

**In-app purchases:** none


### Itchen Transport Tracker

[App page](https://appshunter.io/ios/app/itchen-transport-tracker/id6473901490)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Postal Codes International free?

Postal Codes International is free to download, with no in-app purchases.

### Is Itchen Transport Tracker free?

Itchen Transport Tracker is free to download, with no in-app purchases.

### Do Postal Codes International or Itchen Transport Tracker have ads?

Neither Postal Codes International nor Itchen Transport Tracker shows ads.

### Which is updated more often, Postal Codes International or Itchen Transport Tracker?

Postal Codes International ships an update every 4 months, and Itchen Transport Tracker every 5 months. Most recently, Postal Codes International was updated on October 12, 2026 and Itchen Transport Tracker on October 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.*