Find JP zip code vs 年号電卓Plus
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.
年号電卓Plus
Easily convert between Western and Japanese eras, and determine birth years from age. Explore historical context with explanations for era changes and significant events of each year.
- Western to Japanese era conversion
- Japanese era to Western conversion
- Calculate birth year from age
- View era start and end dates
- Understand reasons for era changes
- Discover major events of each year
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年号・元号の変換に迷ったら、このアプリひとつで解決! 待望の西暦和暦早見表に対応しました! 西暦⇔和暦の変換から、年齢での誕生年検索まで、日常のちょっとした疑問をすばやく解消できます。 さらに Apple Watch に対応! 手首でサッと確認できるようになりました。 調べるだけでなく、改元の理由やその年の主な出来事もわかるので、歴史の勉強や雑学としても楽しめます。 【変換モード】 ・西暦 → 和暦(令和・平成・昭和・大正・明治) ・各元号 → 西暦 ・年齢 → 西暦・和暦(誕生年を逆算) 【詳細情報】 ・各元号の開始年・終了年を表示 ・改元の理由(iPhone版のみ) ・その年の主な出来事 ※Apple Watch版では改元理由の表示はありません。 【iPhone版・Apple Watch版の違い】 ・iPhone版は西暦和暦早見表に対応。 ・iPhone版はテンキー入力に対応。和暦の上限を超えた年(例:大正16年)をそのまま入力・表示しながら、西暦や次の元号への変換結果を確認できます。 ・Apple Watch版はテンキー入力の代わりにカウント操作を採用。和暦の上限に達すると自動的に次の元号へ切り替わるため、直感的に操作できます(例:大正15年の次は自動で昭和2年に)。 【Apple Watch版の操作】 ・上にスワイプすることで、年齢・各元号の開始年/終了年・その年の主な出来事をまとめて確認できます。 ・+/-ボタンの長押しで高速カウントアップ/カウントダウンが可能。目的の年にすばやくたどり着けます。
Screenshots
Verdict
The clearest difference is review sentiment: Find JP zip code at 100% against 年号電卓Plus's 38%. Find JP zip code also leads on iOS requirement (7.0 vs 17.6). 年号電卓Plus's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 6 months). On price, ads, monetization model 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. 年号電卓Plus asks for nothing beyond the download.
Find JP zip code ships an update every 6 months, 年号電卓Plus every 6 weeks. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.
| Parameter | Find JP zip code | 年号電卓Plus |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews — better | 37.5% of reviews |
| Update frequency | Every 6 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 7.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Mitsuhiro Shirai | Nakanishi Toshihiko |
Customer experience
Find JP zip code
年号電卓Plus
In-app purchases
Find JP zip code
- Delete ads$0.99
年号電卓Plus
No in-app purchases








