
LineStar DFS & Props Optimizer
Fast Optimize 150+ DFS Lineups, Advanced Tools and Prop Bets.
Fantasy Sports Company · com.fantasysportsco.yahoodf
- Signature matches the Google Play version Details
At a glance
- Latest version
- v3.7.8 (1909)
- Updated
- Oct 3, 2026 (6 days ago)
- APK size
- 18.7 MB
- Requires
- Android 6.0+ (API 23)
- CPU support
- x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
- Category
- Sports (app)
- Listed since
- Feb 7, 2021 (at least)
- Permissions
- 17 (1 sensitive)
- Website
- LineStarApp.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
LineStar DFS & Props Optimizer is an app by Fantasy Sports Company in the Sports category, listed since at least February 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 3.6.6, the APK shrank from 25.6 MB to 18.7 MB. Since version 3.4.39, the minimum Android version rose from 4.1 to 6.0. It asks for 17 permissions, 1 of them sensitive: modify shared storage. It asks for the same permissions as version 3.7.7. 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 v3.7.8
Description
From the listing uploaded by “appupdater”.
Version history
6 versions are listed, going back to v3.4.39. New versions arrive here about every week. Since v3.6.6 it requires Android 6.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Oct 3, 2026.
- Certificate issued to “c0smosis” This is the certificate of the Google Play version.
- Same certificate as the 5 other versions checked
Store checks and file details
- Developer signature verified Oct 3, 2026
- Validated against Google Play Oct 3, 2026
- Signed byCN=Peter Groset, OU=c0smosis, O=c0smosis, L=Carlsbad, ST=California, C=CA
- Signing certificate (SHA-1)95:E3:D8:4F:0C:85:98:0B:05:DE:8C:6C:1D:82:DA:00:65:1A:0E:25
- File MD5309a11d62de682598b7d935aa18e3c4b
- 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 (17)
LineStar DFS & Props Optimizer requests 17 permissions, 1 of them sensitive.
- Modify shared storage Sensitive android.permission.WRITE_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
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.fantasysportsco.yahoodf.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- Use biometric hardware android.permission.USE_BIOMETRIC
- Use fingerprint hardware android.permission.USE_FINGERPRINT
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
LineStar DFS & Props Optimizer APK: questions and answers
Is there a version of LineStar DFS & Props Optimizer for older Android phones?
The current version needs Android 6.0 or later. Version 3.4.39 is the newest listed build that installs on Android 4.1 and later. Get version 3.4.39 · 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 LineStar DFS & Props Optimizer free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the LineStar DFS & Props Optimizer 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 309a11d62de682598b7d935aa18e3c4b.