# Zip Codes vs PhosphorHertz

The clearest difference is price: Zip Codes at Free against PhosphorHertz's $0.99. Zip Codes also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.2). PhosphorHertz's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence there is nothing between them.

Zip Codes is free to download; PhosphorHertz costs $0.99 up front. Zip Codes sells 1 one-off in-app purchase. PhosphorHertz asks for nothing beyond the download.

Zip Codes ships an update every 5 months, PhosphorHertz every 7 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Zip Codes | PhosphorHertz |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (2.7K ratings)](https://appshunter.io/ios/app/zip-codes/id311107765/reviews)** | — |
| Number of ratings | **2.7K** | — |
| Positive reviews | 60.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 3 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VersaEdge Software, LLC](https://appshunter.io/developer/301294952) | [Stuart Woolley](https://appshunter.io/developer/315697638) |

## What reviewers say

### Zip Codes

[App page](https://appshunter.io/ios/app/zip-codes/id311107765)

Access comprehensive US zip code data, including state, city, population, and county information. View zip code locations on a map, find nearby zip codes, and search by city. This app works offline.

**Highlights:** Offline zip code lookup, State, city, population, county data, Map view of zip code center, Find nearby zip codes, Search zip codes by city, GPS location search

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Removal | $1.99 | one-time |

**What reviewers like**

- 🚀 Streamlines delivery zone adjustments
- 👍 Always up to date
- 👍 Accurate and efficient
- 👍 Easy to search
- 👍 Handy and useful

**What reviewers complain about**

- 🐛 Unable to open, immediately closes
- 👎 Only allows entering zip codes, no reverse lookup
- 👎 Inaccurate population data
- 👎 Lacks map borders and address search

**Reported bugs**

- Locks up on first lookup
- Crashes and freezes

**Requested features**

- Reverse lookup by town name to find zip code
- More detailed location information beyond just zip codes


### PhosphorHertz

[App page](https://appshunter.io/ios/app/phosphorhertz/id6759729656)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zip Codes free?

Zip Codes is free to download, with in-app purchases available.

### Is PhosphorHertz free?

PhosphorHertz costs $0.99, with no in-app purchases.

### Do Zip Codes or PhosphorHertz have ads?

Zip Codes shows ads; PhosphorHertz does not.

### Which is updated more often, Zip Codes or PhosphorHertz?

Zip Codes ships an update every 5 months, and PhosphorHertz every 7 months. Most recently, Zip Codes was updated on October 12, 2026 and PhosphorHertz on October 7, 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.*