Cham（チャム） vs JP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cham（チャム）
Read full descriptionHide full description
Cham（チャム）の公式アプリです。 【概要】 ■アプリ上から24時間いつでも予約が可能 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■スタッフが施術したギャラリーを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタッフの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。
JP
Read full descriptionHide full description
JP-MIRAI Portal is an application that provides useful and helpful information for working and living in Japan safely and securely. There is useful information for all statuses of residence. Whether you are coming to Japan, are currently living or working in Japan, or have lived or worked in Japan before, make use of the JP-MIRAI Portal as much as you can! About JP-MIRAI Portal https://portal.jp-mirai.org/en/about-portal About JP-MIRAI (Responsible Foreigner Acceptance Platform) https://jp-mirai.org/en/about-us/ We appreciate your comments, questions, and feedback on the application to improve the application : portal@jp-mirai.org
Screenshots
Verdict
The clearest difference is update cadence: JP at monthly against Cham（チャム）'s every 39 months. Cham（チャム）'s advantage is iOS requirement (13.0 vs 16). On price, ads, 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.
Cham（チャム） ships an update every 39 months, JP monthly. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.
| Parameter | Cham（チャム） | JP |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 39 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 16 |
| Further details — not scored | ||
| Size | 4 MB | 210 MB |
| Age rating | 4+ | 17+ |
| Developer | Naoya Takahashi | 一般社団法人JP-MIRAI |
In-app purchases
Cham（チャム）
No in-app purchases
JP
No in-app purchases
