Comparison

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.

Head to head
About

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.

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
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Find JP zip code3 screens
年号電卓Plus4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 4 level
Find JP zip code versus 年号電卓Plus: the parameters behind the verdict, then further details
ParameterFind JP zip code年号電卓Plus
PriceFreeFree
Positive reviews100.0% of reviews — better37.5% of reviews
Update frequencyEvery 6 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS7.0 — better17.6
Further details — not scored
Size5 MB7 MB
Age rating4+4+
DeveloperMitsuhiro ShiraiNakanishi Toshihiko

Customer experience

Find JP zip code

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

年号電卓Plus

Written reviews8 reviews
Positive37.5%
Neutral0.0%
Negative62.5%

In-app purchases

1 purchases

Find JP zip code

One-time1
  • Delete ads$0.99
None

年号電卓Plus

No in-app purchases

Questions

Is Find JP zip code free?
Find JP zip code is free to download, with in-app purchases available.
Is 年号電卓Plus free?
年号電卓Plus is free to download, with no in-app purchases.
Do Find JP zip code or 年号電卓Plus have ads?
Neither Find JP zip code nor 年号電卓Plus shows ads.
Which is updated more often, Find JP zip code or 年号電卓Plus?
Find JP zip code ships an update every 6 months, and 年号電卓Plus every 6 weeks. Most recently, Find JP zip code was updated on October 8, 2026 and 年号電卓Plus on October 12, 2026.

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