
Duplicate Contacts Fixer
Scan, Identify and Remove Duplicate Contacts on Android
Systweak Software · com.systweak.duplicatecontactfixer
- Signature matches the Google Play version Details
At a glance
- Latest version
- v7.7.1.39 (64)
- Updated
- Jul 2, 2026 (3 months ago)
- APK size
- 14.3 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- Any (no native code)
- Category
- Tools (app)
- Listed since
- Sep 11, 2020 (at least)
- Permissions
- 20 (6 sensitive)
- Website
- systweak.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Duplicate Contacts Fixer is an app by Systweak Software in the Tools category, listed since at least September 2020. It has no native code, so it runs on any Android processor.
Since version 7.5.5.59, the APK shrank from 19 MB to 14.3 MB and the minimum Android version rose from 5.0 to 7.0. It asks for 20 permissions, 6 of them sensitive, including read contacts, read phone status and identity and find accounts on the device. Compared with version 7.5.5.59, it adds 1 new permission: “Show notifications”. 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 v7.7.1.39
Description
From the listing uploaded by “appupdater”.
Version history
2 versions are listed, going back to v7.5.5.59. Since v7.7.1.39 it requires Android 7.0+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jul 2, 2026.
- Certificate issued to “SystweakSoftware” This is the certificate of the Google Play version.
- Same certificate as the other version checked
Store checks and file details
- Developer signature not checked yet Jul 2, 2026
- Validated against Google Play Jul 2, 2026
- Signed byCN=SystweakSoftware, OU=SystweakSoftware, O=SystweakSoftware, L=Jaipur, ST=Rajasthan, C=91
- Signing certificate (SHA-1)82:1B:9D:A6:5D:00:2E:5D:69:1A:81:9B:69:45:ED:B5:8C:D0:39:E1
- File MD561bdad3b595215fad606d1ea013c16e5
- 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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (20)
Duplicate Contacts Fixer requests 20 permissions, 6 of them sensitive.
- Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read contacts Sensitive android.permission.READ_CONTACTS
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Write contacts Sensitive android.permission.WRITE_CONTACTS
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- 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.systweak.duplicatecontactfixer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Portrait screen android.hardware.screen.portrait
- Wi-Fi android.hardware.wifi
Duplicate Contacts Fixer APK: questions and answers
Is there a version of Duplicate Contacts Fixer for older Android phones?
The current version needs Android 7.0 or later. Version 7.5.5.59 is the newest listed build that installs on Android 5.0 and later. Get version 7.5.5.59 · 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 Duplicate Contacts Fixer free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Duplicate Contacts Fixer 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 other version checked. After downloading, check that the file's MD5 is 61bdad3b595215fad606d1ea013c16e5.