Find JP zip code vs 和暦計算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Find JP zip code
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.
- Offline postal code search
- Address search by Kanji/Yomigana
- Company address data
- Substring and partial matching
- AND search functionality
- Copy to clipboard
- Map integration
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This is an application which searches for Japanese postal numbers. From postal number to address, from a part of the address, be able to search for the postal number offline faster. Also be able to search for the data of the addresses of the companies that have many postals unlike general/common addresses. Will search from within 145,000 address data. The numbers will be searched via matching a sub-string with the beginning of the field, while the address will be searched via part matching the「漢字」(kanji) or the「よみがな」(yomigana). For the address, it can be searched with AND, like for example,「とう きょう」and「ちよだく」. Searching method is easy. If you place numbers then it will automatically decide to search for the numbers; if you place the address, it will automatically decide to search for addresses. For AND-search, input several parts of addresses with「,」or「、」as separators. For example, if「とうきょう、ちようだく」,it will search addresses that match both「とうきょう」and「ちよだく」. From the search results, you can be able to copy the postal numbers or the addresses to the clipboard. Moreover, you can be able to display the searched address through a map application. For the postal number data, a Japanese postal site or the latest data will be acquired and saved in the application. After saving, you can still search even if you're not connected to the network. There is also a notification function that notifies updates in postal number data, so you can always be able to acquire the latest data.
和暦計算
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あの頃は何歳? 申請書、履歴書の記入時に和暦・西暦が出てこない。そんな時に便利です。 今日は大安! 本日の六曜、干支、十二支も表示します。 ●簡単操作の年号計算機です。 ・令和、平成、昭和、大正、明治、西暦をまたがった計算 ・平成?西暦? 両方表示します 申込書等の記入日が平成だったり西暦だったりでも大丈夫 ・元号記載の書類を調べるときに ●計算例 今年の年 ー 誕生年 = 年齢 例:令和1年 - 昭和60年 = 34年 計算の組み合わせは、4パターン。 1) 年 - 年 = 年数 2) 年 +/- 数字 = 西暦・和暦 3) 年 = 西暦・和暦 4) 数字 +/- 数字 = 数 ●利用場面 ・ あの頃は何歳だったのかなと調べたいとき ・ 20歳の頃は何年だったのかなと調べたいとき ・ 履歴書の作成。自分史の振り返り。この会社に何年勤めた? ・ 年金の計算。年と月で。 ・ 西暦と和暦のざっくり対比。この時代は日本では何時代だ? ・ 今年で何歳だったっけ? ・ 卒業する年は平成の何年だ? ・ 次のオリンピックの時は何歳になっている?
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Find JP zip code | 和暦計算 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Update frequency | Every 6 months | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Mitsuhiro Shirai | Takashi Shinyashiki |
Customer experience
Find JP zip code
和暦計算
In-app purchases
Find JP zip code
- Delete ads$0.99
和暦計算
No in-app purchases








