# Zip Code vs Postal Codes International

The clearest difference is ads: Postal Codes International at none against Zip Code's shown. Zip Code's advantage is update cadence (monthly vs every 4 months) and iOS requirement (14.0 vs 26.0). On price, 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.

Zip Code ships an update monthly, Postal Codes International every 4 months. The most recent releases landed on September 13, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | Zip Code | Postal Codes International |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (547 ratings)](https://appshunter.io/ios/app/zip-code/id920751129/reviews)** | — |
| Number of ratings | **547** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 19 MB | 8 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IDB LLC](https://appshunter.io/developer/917634021) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### Zip Code

[App page](https://appshunter.io/ios/app/zip-code/id920751129)

Easily find zip/postal codes for your current location or search by city name. This intuitive tool helps you quickly locate area codes or zip codes without hassle, perfect for travelers and professionals.

**Highlights:** Find current zip/postal code, Search zip code by city, Search area code by city, Search city by area code, Simple interface

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

**In-app purchases:** none


### Postal Codes International

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Zip Code free?

Zip Code is free to download, with no in-app purchases.

### Is Postal Codes International free?

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

### Do Zip Code or Postal Codes International have ads?

Zip Code shows ads; Postal Codes International does not.

### Which is updated more often, Zip Code or Postal Codes International?

Zip Code ships an update monthly, and Postal Codes International every 4 months. Most recently, Zip Code was updated on September 13, 2026 and Postal Codes International on August 17, 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.*