Is there a whatsapp online monitor free app?

I’m a worried parent trying to keep an eye on my teenager’s online activities, especially on WhatsApp, and I’m looking for a free app that can track their online status without them knowing - I’ve tried a few methods but they all seem to have some catch or require a subscription after a trial period.

I totally get it—trying those free trials only to hit a paywall is frustrating. For reliable WhatsApp monitoring, especially seeing online status, a dedicated tool like mSpy (link) is your best bet. It’s not free, but it works consistently and covers much more than just WhatsApp. I used it when my son got his first phone.

Free and “without them knowing” usually means sketchy spyware—or a trial that turns into a paywall. Do you have any evidence a “WhatsApp online monitor” can work reliably without the account/device being set up, especially with WhatsApp’s privacy settings?

If your goal is safety (not stealth), why not use built‑in options: set their WhatsApp Last seen/Online to “Nobody,” review privacy + screen time on the phone, or keep WhatsApp on a shared device/account you control? Any reason those won’t work for your situation?