# Find JP zip code vs 和暦計算

The clearest difference is in-app purchases: 和暦計算 at none against Find JP zip code's 1. Find JP zip code's advantage is ads (none vs shown) and review sentiment (100% vs 67%). On price, update cadence and device support there is nothing between them.

Both are free to download. Find JP zip code sells 1 one-off in-app purchase. 和暦計算 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Find JP zip code | 和暦計算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | Free | — |
| Size | 5 MB | 7 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mitsuhiro Shirai](https://appshunter.io/developer/602643484) | [Takashi Shinyashiki](https://appshunter.io/developer/1235395472) |

## What reviewers say

### Find JP zip code

[App page](https://appshunter.io/ios/app/find-jp-zip-code-zipnofinder/id778634221)

Quickly find Japanese postal codes and addresses offline. Search by postal number or address components using Kanji or Yomigana. Supports advanced AND searches and integrates with map applications.

**Highlights:** Offline postal code search, Address search by Kanji/Yomigana, Company address data, Substring and partial matching, AND search functionality, Copy to clipboard, Map integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delete ads | $0.99 | one-time |


### 和暦計算

[App page](https://appshunter.io/ios/app/id1235395473)

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

**In-app purchases:** none


## Frequently asked questions

### Is Find JP zip code free?

Find JP zip code is free to download, with in-app purchases available.

### Is 和暦計算 free?

和暦計算 is free to download, with no in-app purchases.

### Do Find JP zip code or 和暦計算 have ads?

和暦計算 shows ads; Find JP zip code does not.

### Which is updated more often, Find JP zip code or 和暦計算?

Find JP zip code ships an update every 6 months, and 和暦計算 every 6 months. Most recently, Find JP zip code was updated on October 23, 2026 and 和暦計算 on October 9, 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.*