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Lesson Time レッスンタイム

LiveTO-ON KIKAKU COMPANY5 apps · 9.7K installsEducationFreebiz.lessontime

A lesson management tool that seamlessly connects teachers, students, and music classrooms.

Alert me★ WatchOpen in Play ↗
Total installs
183
exact · Play shows 100+
Installs / day
0
7-day avg · last day 0
Rating
—★
— ratings · — reviews
Released
10 Mar 2025
1.6y ago
Last update
7 Oct 2026
v1.1.22 · 7d ago
Countries
1/30
live · checked 3d ago

Installs per day

gain of the exact counter
01234511 Oct12 Oct13 Oct

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play
18218318410 Oct12 Oct13 Oct
05010015020010 Mar 202510 Oct 202613 Oct 2026

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

1 changesFull history
  1. before
    Content rating
    EveryoneRated for 3+

Country availability

Live 1Listed, not installable 29Not listed 0
United Arab Emirates
Argentina
Australia
Bangladesh
Brazil
Canada
Colombia
Germany
Egypt
Spain
France
United Kingdom
Indonesia
India
Italy
Japan
Kenya
South Korea
Mexico
Nigeria
Philippines
Pakistan
Poland
Russia
Saudi Arabia
Thailand
Türkiye
United States
Vietnam
South Africa

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • Collects data Location
  • Data is encrypted in transit
  • You can ask for your data to be deleted
  • Follows the Play Families Policy

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

12 in 4 groups
5 Sensitive2 Notable5 Routine

What this app can do with your phone

  • Use your camera to take photos and record videos
  • Read photos, videos, and other files saved in your phone's shared storage
  • Add, change or delete photos, videos and other files in your phone's storage
Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
StorageSensitive2

Access to files, photos and media saved on your phone's storage

  • Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
  • Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE
CameraSensitive1

Access to your camera to take photos and record video

  • Use your camera to take photos and record videostake pictures and videos · CAMERA
OtherNotable7

Access to miscellaneous device features that don't fit other categories

  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
  • Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Screenshot 1 Download
Screenshot 2 Download
Screenshot 3 Download
Screenshot 4 Download
Screenshot 5 Download
Screenshot 6 Download
Screenshot 7 Download
Screenshot 8 Download
Full description
音楽教室向けレッスン管理ツール「Lesson Time」の講師さま、生徒さま用のアプリです。 日々のレッスンから練習までを様々な機能でサポートします。 【主な機能】 ●講師の方へ ・写真や動画、文字を簡単に入力、共有ができるレッスンノート機能 ・その日のレッスンが一覧で確認できるスケジュール機能 ・生徒さんの自宅での練習状況がわかる確認機能 ●生徒さまへ ・レッスンで出された宿題が一目でわかる宿題リスト ・自分の成長過程がわかる練習記録 ・モチベーションアップにつながる！キャラクター育成機能 「Lesson Time」は、音楽教室、先生、生徒の3者をシームレスにつなぎ、日々の練習やレッスンに寄り添うサービスです。 それぞれが抱えるお悩みを様々な機能で解決し、音楽に関わるすべての人々が成長する楽しさを実感できる環境を目指します。

What's new

スケジュール詳細ダイアログを全ロールで統一（レッスン実績回数・進捗バー・レッスン時間を表示）・講師/生徒カレンダーの見た目を統一／レンタルルーム（レンタルユーザー向け）の改修（キャンセル確認画面の表記整理・決済フロー用語をユーザー向け表現に変更・「承認前のキャンセルは無料」注記を追加・キャンセルポリシーの期限ラベルを「◯時間前から」に統一）／レンタル会員の仮登録完了画面の案内と導線を改善／本登録フローの「戻る」「訂正する」の遷移先を修正

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