MY BAYSTARS

This is the official app provided by Yokohama DeNA BayStars. In addition to delivering original player cards and seasonal team information, you can customize your own BayStars app!

横浜DeNAベイスターズ · jp.co.baystars.dena.app

Not rated yet 50K+ downloads v4.2.0 116.1 MB Android 7.0+ PEGI 3 · Everyone

Download APK 116.1 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v4.2.0 (40200)
Updated: Feb 24, 2026 (7 months ago)
APK size: 116.1 MB
Requires: Android 7.0+ (API 24)
CPU support: ARM 32-bit, ARM 64-bit
Category: Sports (app)
Listed since: Sep 12, 2021 (at least)
Permissions: 29 (2 sensitive)
Website: baystars.co.jp
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

MY BAYSTARS is an app by 横浜DeNAベイスターズ in the Sports category, listed since at least September 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 3.7.7, the APK grew from 93.1 MB to 116.1 MB and the minimum Android version rose from 4.4 to 7.0. It asks for 29 permissions, 2 of them sensitive: camera and read shared storage. It asks for the same permissions as version 4.1.7. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v4.2.0

◯最終版に更新しました。以降、4月30日のサービス終了までDeNAアカウント連携や所持カード確認ができます。 ◯アプリ版を長らくご愛顧いただき、ありがとうございました。引き続き、web版のサービスリリースをお待ちください。

Description

From the listing uploaded by “appupdater”.

This is the official card collection app for Yokohama DeNA Baystars. ▼Collect original player cards! You can collect original player cards in the in-app card collection. Collect cards of your favorite players. ▼Let's compete with the cards we've collected! You can create your own orders using the player cards you have collected and compete in competitive events. Collect a lot of cards of "players set in order" regardless of series, Combination skills that are activated when the contents of an order meet certain conditions, Make good use of support frameworks such as managers, coaches, mascots, and performance teams. Strengthen your team. ▼Customize it to your liking! You can change the background image of the app to your favorite image, and set the cards you got from the card collection into the card holder. Enjoy customizing it to your liking by setting a photo of your memories from watching a game or an image of your favorite player. ▼About MY BAYSTARS paid members The MY BAYSTARS app can be used for free, but if you register for the 120 yen monthly course, Additionally, you can use the card mixer function. [Card mixer function] If you choose one of your favorite 1 to 4 star cards and insert it, you can get another card of the same rarity. For details, please check the in-app Card Collection > Card Gacha > Mixer tab. *This service will be automatically renewed every month unless you cancel it yourself. *The expiration date may be automatically renewed unless you cancel automatic renewal at least 24 hours before the expiration date. *Payment will be managed using the Google account set on the device. *Cancellation cannot be done from within the app. *If you wish to cancel your subscription, please go to [Subscription] on Google Play. *Please note that uninstalling the app or migrating your device will not cancel your monthly service. Terms of Use: https://app.baystars.co.jp/info/terms Privacy Policy: https://www.baystars.co.jp/privacy/

Version history

6 versions are listed, going back to v3.7.7. New versions arrive here every few months. Since v4.1.6 it requires Android 7.0+.

v4.2.0 LATEST Feb 24, 2026 116.1 MB TRUSTED v4.1.7 Feb 14, 2026 116.1 MB TRUSTED v4.1.6 Jan 18, 2026 116.1 MB TRUSTED v4.0.13 Oct 16, 2025 112.8 MB TRUSTED v3.9.5 Dec 23, 2024 93.4 MB TRUSTED

All 6 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Feb 24, 2026.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Same certificate as the 5 other versions checked

Store checks and file details

Developer signature verified Feb 24, 2026
Validated against Google Play Feb 24, 2026
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)95:2F:4B:6E:DD:47:A0:64:B0:97:C3:4A:8E:5F:12:37:16:B0:54:D2
File MD5c27ea9c0c5689fad82ec191b41da8225
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (5 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (29)

MY BAYSTARS requests 29 permissions, 2 of them sensitive.

Camera Sensitive android.permission.CAMERA
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Advertising ID com.google.android.gms.permission.AD_ID
Badge read (custom) com.sec.android.provider.badge.permission.READ
Badge write (custom) com.sec.android.provider.badge.permission.WRITE
Badger badge count read (custom) me.everything.badger.permission.BADGE_COUNT_READ
Badger badge count write (custom) me.everything.badger.permission.BADGE_COUNT_WRITE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Home broadcast badge (custom) com.sonyericsson.home.permission.BROADCAST_BADGE
Home provider insert badge (custom) com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) jp.co.baystars.dena.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Launcher change badge (custom) com.huawei.android.launcher.permission.CHANGE_BADGE
Launcher read settings (custom) com.htc.launcher.permission.READ_SETTINGS
Launcher read settings (custom) com.huawei.android.launcher.permission.READ_SETTINGS
Launcher read settings (custom) com.oppo.launcher.permission.READ_SETTINGS
Launcher update badge (custom) com.majeur.launcher.permission.UPDATE_BADGE
Launcher update count (custom) com.anddoes.launcher.permission.UPDATE_COUNT
Launcher update shortcut (custom) com.htc.launcher.permission.UPDATE_SHORTCUT
Launcher write settings (custom) com.huawei.android.launcher.permission.WRITE_SETTINGS
Launcher write settings (custom) com.oppo.launcher.permission.WRITE_SETTINGS
Prevent the device from sleeping android.permission.WAKE_LOCK
Read app badge android.permission.READ_APP_BADGE
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

MY BAYSTARS APK: questions and answers

Is there a version of MY BAYSTARS for older Android phones?

The current version needs Android 7.0 or later. Version 4.0.13 is the newest listed build that installs on Android 6.0 and later. Get version 4.0.13 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is MY BAYSTARS free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the MY BAYSTARS APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 5 other versions checked. After downloading, check that the file's MD5 is c27ea9c0c5689fad82ec191b41da8225.