Cheating has become easier in the digital age, with social media, dating apps, and secret messaging platforms providing new ways for people to be unfaithful. If you suspect your partner of online cheating, there are ways to uncover the truth—many of them free.
While checking social media, phone activity, and messages can provide clues, the most effective method is using a spy app. The best spy apps can track messages, calls, and even social media activity, giving you clear answers about your partner’s faithfulness.
This guide will show you how to catch a cheater online using spy apps and other free methods.
1. Signs That Someone Is Cheating Online
Before you investigate, look for common warning signs of online infidelity. These behaviors don’t guarantee cheating, but they suggest something may be hidden.
🔹 Increased Secrecy
- Your partner locks their phone or changes their password unexpectedly.
- They quickly close apps or tabs when you enter the room.
- They delete messages, call logs, and chat history.
🔹 Changes in Online Behavior
- They spend more time online, especially late at night.
- They suddenly become more active on social media.
- They start liking or commenting on a specific person’s posts.
🔹 Emotional Distance
- They seem less interested in your relationship.
- They avoid talking about their day or act distant.
- You feel a gut instinct that something is wrong.
If these signs match your partner’s behavior, it’s time to take action.
2. Using a Spy App to Catch a Cheater
A spy app is one of the most effective ways to uncover online cheating. While many spy apps require payment, some offer free trials or basic monitoring features at no cost.
🔍 What Can a Spy App Track?
✔ Text Messages & Social Media Chats (WhatsApp, Messenger, Instagram, etc.)
✔ Call Logs & Contacts (see who they talk to most)
✔ Location Tracking (see where they go)
✔ Browsing History (check if they visit dating sites)
✔ Hidden Apps & Secret Accounts
🔍 Best Free or Trial Spy Apps to Use
1. mSpy (free demo available)
mSpy is one of the most trusted spy apps on the market, known for its comprehensive monitoring features and stealth mode. Designed primarily for parental control, it allows users to track messages, calls, location, and social media activity without detection.
One of mSpy’s biggest strengths is its user-friendly interface. Even if you’re not tech-savvy, you can easily install the app and access your partner’s or child’s activities via an online dashboard. The app runs in the background, making it completely undetectable.
mSpy works on both Android and iPhone, offering features like keylogging, GPS tracking, and social media monitoring (WhatsApp, Facebook, Snapchat, and more). A major advantage is its ability to track deleted messages, which can be useful if someone is trying to hide their conversations.
However, for iPhones, jailbreaking may be required to access advanced features like WhatsApp and Facebook tracking. Non-jailbroken iPhones can still be monitored, but with limited functionality.
mSpy provides 24/7 customer support, ensuring that users get assistance whenever needed. While it isn’t free, it offers a demo version so you can test the features before committing.
Pros & Cons
| Pros | Cons |
|---|---|
| ✅ Undetectable & runs in stealth mode | ❌ No free version |
| ✅ Tracks deleted messages | ❌ Requires jailbreak for full iPhone monitoring |
| ✅ Works on Android & iPhone | ❌ Can be expensive |
| ✅ Advanced features (keylogging, GPS, call logs) | ❌ Limited features on non-rooted Android devices |
| ✅ 24/7 customer support |
2. EyeZy (trial version for limited tracking)
EyeZy is a powerful spy app designed for monitoring social media, messages, and GPS locations in real time. It’s one of the best undetectable spy apps, offering advanced AI-powered tracking.
This app is ideal for those who need an easy-to-use monitoring tool with a modern dashboard. The app allows you to monitor WhatsApp, Facebook Messenger, Instagram, Snapchat, and even Tinder. One standout feature is its “Magic Alerts,” which notify you whenever the target phone receives or sends specific messages.
EyeZy also provides Wi-Fi network tracking, meaning you can see where your target is connecting to the internet. It also offers a file scanner, allowing you to check for hidden files or photos.
While EyeZy offers excellent monitoring tools, it requires jailbreaking or rooting to unlock all features. Without rooting, users can only access limited data like call logs and GPS locations.
Pros & Cons
| Pros | Cons |
|---|---|
| ✅ AI-powered Magic Alerts | ❌ No free version |
| ✅ Tracks calls, texts, and GPS | ❌ Jailbreak/root required for full features |
| ✅ Social media monitoring (WhatsApp, Instagram, Snapchat, etc.) | ❌ Can be expensive for long-term use |
| ✅ Wi-Fi network tracking | |
| ✅ File scanner for hidden content |
3. Spynger
Spynger is a feature-packed spy app that provides real-time monitoring of calls, messages, and locations. Unlike some spy apps that require rooting, Spynger offers basic tracking without rooting on Android devices.
This spy software is easy to install and runs in stealth mode, making it undetectable. It provides GPS tracking, allowing you to see the exact location of the target device. Spynger also has a geofencing feature, which alerts you if the device enters or leaves a specific area.
Spynger is especially useful for monitoring social media. It can track WhatsApp, Facebook, Instagram, Telegram, and Snapchat, capturing chats and media files.
One of Spynger’s standout features is its keylogger, which records every keystroke made on the device. This means you can see everything typed, including deleted messages and passwords.
While Spynger offers a free trial, the full version requires a subscription. The main downside is that some features are locked behind rooting/jailbreaking, but basic monitoring (calls, GPS, and SMS tracking) works without it.
Pros & Cons
| Pros | Cons |
|---|---|
| ✅ Works without rooting (basic features) | ❌ Advanced features require root/jailbreak |
| ✅ Tracks calls, SMS, and GPS in real time | ❌ No permanent free plan |
| ✅ Social media monitoring (WhatsApp, Instagram, etc.) | ❌ Can be costly for full features |
| ✅ Keylogger records keystrokes | |
| ✅ Geofencing alerts |
- Hoverwatch (free plan for Android)
How to Use a Spy App:
- Sign up for an account on a trusted spy app website.
- Install the app on the target phone (some require physical access).
- Monitor their activity from your online dashboard.
Spy apps are discreet and often undetectable, making them a powerful tool for finding out the truth.
3. Checking Social Media for Clues
If you don’t want to use a spy app, you can still check social media activity to spot potential cheating.
🔍 Facebook, Instagram & Snapchat
- Look for new “friends” or followers you don’t recognize.
- Check if they frequently like, comment, or engage with a specific person’s posts.
- See if they have hidden tagged photos with someone.
🔍 Searching for Secret Accounts
Use Google search tricks to find hidden profiles connected to their email:
"[email protected]" site:tinder.com"JohnDoe123" site:instagram.com
🔍 Reverse Image Search
If you suspect they have a dating profile, take their profile picture and do a Google Reverse Image Search to see if it appears elsewhere.
4. Checking Messages & Call Logs Without a Spy App
If you don’t use a spy app, you can still check for deleted messages and hidden calls manually.
🔎 Checking Their Phone’s Notification Log (Android Only)
- Go to Settings > Notification History to see deleted messages.
🔎 Looking at Browser & App History
- Check recently opened apps (double-tap home button on iPhone or recent apps on Android).
- Look at their browser’s history and saved passwords for signs of dating sites.
🔎 Checking WhatsApp & Messenger Web
- Open web.whatsapp.com on a desktop and scan their phone.
- Go to Facebook Messenger > Settings > Active Sessions to see all logged-in devices.
These methods can expose hidden conversations without installing anything.
5. Using Free Email & Phone Lookup Tools
Sometimes cheaters use fake emails or numbers. Use free lookup tools to find hidden accounts.
🔹 Reverse Email Lookup
- HaveIBeenPwned.com (see if their email is linked to dating sites).
- Hunter.io (find other accounts using the same email).
🔹 Reverse Phone Lookup
- TrueCaller (search for caller ID details).
- WhitePages.com (check if the number is linked to a name).
These tools help identify secret profiles linked to your partner’s email or phone.
6. Tracking Their Location for Free
If your partner goes offline or disappears for hours, you might want to check their location history.
🔹 Google Maps Location History
- Open Google Maps on their phone.
- Go to Settings > Location History > View Timeline to see past locations.
🔹 Find My iPhone / Find My Device
- If you share an iCloud or Google account, you can track their phone’s last location.
Location tracking can confirm suspicious outings without using paid apps.
7. Creating a Fake Profile to Catch Them
If you suspect your partner is using dating apps, set up a fake profile to catch them.
Steps to Set Up a Fake Profile
✅ Use a different name and location.
✅ Choose a neutral, attractive profile picture.
✅ Swipe and wait to see if your partner appears.
This method is risky but can expose a cheating partner on Tinder, Bumble, or Hinge.
8. Confronting Your Partner: What to Do If You Find Evidence
If you uncover proof of cheating, handle the situation carefully.
✅ Do’s
✔ Gather clear evidence before confronting them.
✔ Stay calm and ask direct but non-accusatory questions.
✔ Decide if the relationship can be saved.
❌ Don’ts
❌ Don’t let emotions take over.
❌ Don’t use illegal spying methods—this can lead to legal issues.
❌ Don’t ignore red flags or make excuses for them.
Your goal is to find the truth and protect your emotional well-being.
Final Thoughts
If you suspect your partner is cheating online, using a spy app is the most effective way to uncover the truth. Apps like mSpy, EyeZy, and Spynger allow you to monitor texts, calls, and social media secretly.
If you prefer free methods, checking social media, messages, and location history can also provide clues.
No matter which method you choose, trust your instincts, gather evidence, and make the best decision for yourself. Your peace of mind is what matters most.