KSTR is made and published by saucer-inc. AppBrain is an independent app data site and isn't affiliated with saucer-inc. The app name, icon, screenshots and description belong to saucer-inc and are shown as published on Google Play.
AppBrain's verdict
Niche- Total installs
- 50
- Last updated
- March 20, 2026
KSTR is a niche app, with 50 installs. It doesn't have enough ratings yet to judge what users think.
Installs
Tracked by AppBrain- Last 30 days
- 2
- Play install range
- 50+
- Launched
- March 2025
Installs over time
KSTR has been installed 50 times. Over the past 30 days, it has been installed 2 times.
Rankings
Google Play top chartsGoogle Play Rankings for KSTR
Competitors
Similar apps and more from saucer-incAlternatives to KSTR
More from saucer-inc
Releases
Updates seen on Google Play- Version
- 2
- Launched
- March 2025
User feedback
Ratings and reviews on Google PlayComments on KSTR for Android
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 6.40 MB
- Content rating
- Everyone
Technologies used by KSTR
About the app and developer
About KSTR
KSTR is a health & fitness app developed by saucer-inc.
Install Statistics
KSTR has been installed 50 times. In the last 30 days, the app was installed 2 times.
User Ratings
The app has no ratings yet.
App Information
KSTR is freely available from Google Play. The app size is 6.40 MB. The latest version available is 2. The last update was on March 20, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since March 2025.
App Performance Report
Get a detailed PDF report for KSTR with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for saucer-inc
Frequently asked questions about KSTR
Is KSTR free?
Yes. KSTR is free on Google Play.
Is KSTR still available?
Yes. KSTR is on Google Play, and the last update we saw was on March 20, 2026.
Does KSTR contain ads?
No. Google Play does not list KSTR as containing ads.
How large is KSTR?
KSTR is 6.40 MB.
Is KSTR suitable for children?
Google Play rates the content of KSTR as suitable for everyone.
How many times has KSTR been installed?
Google Play lists 50+ installs for KSTR.
Who made KSTR?
KSTR was developed by saucer-inc. It is listed in the health & fitness category on Google Play.
What are the best alternatives to KSTR?
People looking at KSTR also look at these health & fitness apps: 悪魔執事と黒い猫：ストレスを癒やし、メンタルを癒やすゲーム, My Sony, 話題のアニメ、声優系のラジオ番組が楽しめる 【 響 】, Yahoo!音声アシスト - 声でスマホをかんたん便利に, ファッション通販 ベルーナ（公式）.
Store listing
By saucer-inc, from Google Play“Application for KSTR members”
Description by saucer-inc Written by the developer, not by AppBrain. Click to read.
会員様のワークアウトをサポートします。
◆導入するメリットは以下の通りです
・トレーナーさんとのコミュニケーションをサポート
・日々のレッスンを管理
・予約サポート
◆このアプリできること
・次回予約、またその確認ができます。
・ワークアウトの前日にプッシュ通知でお知らせします。
・ワークアウト後の結果を確認することができます。
Recent changes:
最新のAndroidに対応しました。