JHP byNSDev vs 和暦変換
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JHP byNSDev
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Software that displays the population of the municipality of Japan (man, woman), the number of households. Currently it is data from 1995 onwards, but we will add it sequentially. *How to use From the year you want to display, all data, number of households, total sex and total, total. *Function The population (male, female, total), you can sort by the number of households. When you select all the municipalities, you can choose to show or hide prefecture names as options. *Data source Portal Site of Official Statistics of Japan website (http://www.e-stat.go.jp/).
和暦変換
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It is an application to convert the A.D. and Japanese Era. When you select the year from Showa, Heisei, or Reiwa, the corresponding year is displayed. When the era has not been decided yet, it will be displayed as "----".
Screenshots
Verdict
The clearest difference is ads: JHP byNSDev at none against 和暦変換's shown. JHP byNSDev also leads on iOS requirement (15.6 vs 17.6). 和暦変換's advantage is update cadence (every 9 days vs every 7 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
JHP byNSDev ships an update every 7 months, 和暦変換 every 9 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.
| Parameter | JHP byNSDev | 和暦変換 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 26 MB | 114 MB |
| Age rating | 4+ | 4+ |
| Developer | NIHON SYSTEM DEVELOPER CORPORATION | Hiroyuki Nishijima |
In-app purchases
JHP byNSDev
No in-app purchases
和暦変換
No in-app purchases
