We have updated our Privacy Policy and Cookies Policy, by clicking any link on our sites you are giving your consent to the terms.
Agree
icon note
“As we know, love thrives on connection, and WhatsApp makes staying in touch effortlessly. But what if you need to access your girlfriend's chats for reassurance? Whether it's clarifying doubts or staying updated, knowing how to link her WhatsApp can keep you connected like never before. Discover how to link WhatsApp securely and ensure you're always connected to your loved one."

Have you noticed some unusual behavior from your girlfriend, like something feels off in your relationship? For peace of mind, you can try reliable tracking apps and even learn how to link your girlfriend's WhatsApp for monitoring purposes. With such methods, you can track her conversations and online activity to ensure she is not cheating.

Moreover, linking a WhatsApp account helps you build trust through transparency. You can read this article about linking your accounts. We have provided you with the most suitable method of connecting to your girlfriend’s messaging app with comprehensive steps.

In this article
    1. For Android
    2. For iPhone

Part 1. What Are the Signs That Your Girlfriend Is Cheating on You?

Before you jump into the different methods on how to link my girlfriend's WhatsApp to mine, look for basic signs of cheating. You must be positive she isn't interested in you anymore or going behind your back. Thus, to correctly identify the signs of your girlfriend cheating, go through the following points:

  1. Late Responses: If she takes hours or days to reply to your messages without giving any valid reasons for her lateness, it could indicate a shift in priorities.
  2. Uninterested and Short Replies: When the conversation feels one-sided, and her replies get dryer and short-sentenced, she might not feel as excited anymore.
  3. Unnecessary Fights and Arguments: The relationship ends if she randomly starts picking fights and arguing over the most minor things without addressing the issue.
  4. Seem Emotionally Distant: The big sign of cheating is her lack of interest in sharing her plans, thoughts, and feelings with you. We recommend you learn how to connect to my girlfriend's WhatsApp on my phone to keep track of her messages.
  5. Defensive Behavior: If you decide to ask her a simple question and she becomes overly defensive about it, it indicates she is hiding something.

Part 2. How to Link My Girlfriend WhatsApp to My Phone As a Companion Device

You can address the issue of your partner cheating by exploring how to link your girlfriend’s WhatsApp line to your phone. A link option in this messaging app allows you to connect your partner’s account through the QR code by scanning and connecting as a companion device. So, follow this simple tutorial on how to link her phone with your Android or iOS device:

1. For Android

Step 1. Enter the “Chat” tab on your girlfriend’s Android phone and tap the “Three Vertical Dots” to access a drop-down menu. Pick the “Linked Devices” option from here and hit “Link a Device” from the next screen to open the QR code scanner.

access the link a device feature

Step 2. Once you have done so, install and open the messaging app on your phone and tap the “Agree and Continue” button. Next, press the “Three Dots” at the top right corner of the screen and choose the “Link as Companion Device” option to scan the QR code with the first phone.

scan qr code for linking

2. For iPhone

Step 1. Within your girlfriend’s iPhone WhatsApp “Settings” tab, press the “Linked Devices” option to open the new screen. Next, hit the “Link Device” button to reveal the “Scan QR Code” screen, where you can open the scanner by pressing the “OK” button.

obtain a qr code scanner screen

Step 2. Install the messaging app from the App Store and tap the “Agree & Continue” button to proceed. Press the “Three Horizontal Dots” at the top right corner, and from the bottom-up menu, choose “Link as Companion Device.” It will display a bottom-up window with the QR code you can scan using the girlfriend's phone.

access link as a companion

Pro Tip. Unable to Link Her WhatsApp? Monitor Her WhatsApp Activity via WaLastseen

There is only one drawback to connecting my girlfriend's WhatsApp: She can easily unlink the account at any time. Plus, your girlfriend might not be willing to link her WhatsApp to yours, which is concerning. That is why we have the perfect solution to monitor her activities through WaLastseen, which makes your life easier by offering tracking on all activities.

Moreover, you can seamlessly analyze your partner’s online & offline activity and see their hidden statuses. With this innovative WhatsApp tracking application, users can also add multiple accounts for monitoring if they want to keep an eye on various suspects at a time.

Key Features

  1. Compare Status: Users can get detailed information on their girlfriends' online duration and compare the statistics with those of other suspects.
  2. Access Past Data: This app allows users to access their girlfriends' past online activity data on WhatsApp by setting different dates and months.
  3. Real-Time Notifications: You can immediately stay informed about your partner's activity by getting real-time notifications.
Pros
  • Utilize the tag feature to see the time spent on WhatsApp, even during sleep time.
  • You will not experience any delay or glitch on this app and will be informed about any activity on time.
Con
  • You won’t be able to install this application on your iOS device.

Step-by-Step Guide to Monitor the WhatsApp Activity of Your Girlfriend

The following steps will guide you through the comprehensive way of monitoring your girlfriend’s WhatsApp by using this app.

Step 1. Install WaLastseen and Access all Contacts

Initiate the process by installing the WaLastseen app from the Play Store on your mobile device. Next, open the app, hit the “Add Contacts” buttons, and press the "Allow" button to permit it to access all your contacts.

allow access to your contacts

Step 2. Add the Girlfriend’s Number and Start Monitoring

When the contacts are imported to this app, find your girlfriend’s number and tap the “Add” button next to it. After that, write a suitable nickname under the “Name” section on the next screen and press the “Start Tracking” button. Pick a desired pricing plan by tapping the “Buy Now” button from the next screen. This will let you observe your girlfriend's online/offline activities.

add new contact for monitoring

Step 3. Enter Another WhatsApp Number for Comparison

Once the first number is added to the app, insert another WhatsApp number by pressing the “+ Add Contact” button at the top. From here, press the “Add” button to the enter number and set a nickname before hitting the “Start Tracking” button.

start tracking another suspect

Step 4. Start the Comparison of Both Contact’s Activities

After the two contacts are added, tap the “Compare” button between the contacts to open a bottom-up menu. Verify the two added contacts, press the “OK” button, and access all their activities. In a detailed report, you can review their timeline, activity, and online/offline statuses.

compare online activity of your girlfriend

Conclusion

Throughout this article, we analyzed different signs to indicate if your girlfriend is cheating on you or not. When suspicious, one method to avoid such misunderstanding is learning how to link my girlfriend's WhatsApp. We went through easy ways of connecting your partner's messaging app with yours on Android and iOS devices.

Otherwise, if she isn't willing to link her device, you can try a better alternative method of using WaLastseen. This app offers users an innovative way of monitoring the online activities of their girlfriends simply by adding their number. You can review her online/offline activity using this application, compare two or more contacts, and more.

Wondershare Recommends
WaLastseen
  • Track WhatsApp contacts' last seen status.
  • Get instant online and offline notifications of them.
  • Analyze their WhatsApp daily usage.
  • Compare chat probabilities of two contacts.
badges-google
online

FAQ

  • Q1. Will she get a notification if I link her WhatsApp to my phone?
    Yes, WhatsApp immediately alerts the user that their device has been connected to another device in the Linked Devices section. The user can also see and manage these linked devices from the settings.
  • Q2. Does linking WhatsApp give me full access to her messages?
    You can access most of your girlfriend’s new chats and messages on your phone, but due to restrictions, some old media files and chats may not sync to yours.
  • Q3. Can I monitor WhatsApp without linking it?
    Monitoring your girlfriend's online activity on the messaging app without linking can be performed using the WaLastseen app. This app's advanced features allow you to access their online activity, record their usage patterns, and more. This app also provides a detailed analysis of their activity, daily patterns, and hidden statuses.
related-article-pic
How to Block a Screenshot of Your WhatsApp Profile Picture in 2025
related-article-pic
How to See Your Boyfriend's WhatsApp Messages: A Detailed Guide
Discover how to see your boyfriend’s WhatsApp messages without him knowing.
related-article-pic
Best Free WhatsApp Chat Tracker Apps in 2025
Learn how to monitor WhatsApp chats online using WhatsApp chat tracker apps.
related-article-pic
How to Block a Screenshot of Your WhatsApp Profile Picture in 2025
related-article-pic
How to See Your Boyfriend's WhatsApp Messages: A Detailed Guide
Discover how to see your boyfriend’s WhatsApp messages without him knowing.
mobiletrans
Stay in the know with your cared ones.
See the online/offline status even of users who have set it to hidden.
Get to know the online/offline status for not one but multiple contac.
Get online/offline notifications in real-time without any delays.