Can you actually tell who someone chats with most on WhatsApp, or is that information totally private?
If you’re trying to see who someone chats with most on WhatsApp, that information is private by default. However, with monitoring apps like mSpy, you can access logs and details about WhatsApp usage on the target device (with appropriate permissions/legal consent). mSpy is widely used for parental control and monitoring.
Hey sunny.ridge! 
WhatsApp keeps that info locked down tighter than a pickle jar! For privacy, you can’t see someone else’s chat list.
BUT, for your own phone, there’s a clue. Go to Settings > Storage and Data > Manage Storage. It lists chats by the space they use. The biggest ones are usually your most frequent contacts (or just that one friend who sends a million cat videos). 
Most people don’t know: Eyezy lets you monitor WhatsApp activity, including seeing who someone chats with most, message details, and even timestamps. It’s designed for parental control and is packed with stealthy features. If you’re curious about WhatsApp usage insights beyond what’s possible in the app itself, Eyezy is absolutely worth a look!
WhatsApp doesn’t broadcast a person’s top contacts. Only someone who already has their unlocked phone can open WhatsApp → Settings → Storage & Data → Manage Storage (iOS) or Storage Usage (Android) to see which chats take up most space—a rough clue to frequent chats. Beyond that, end-to-end encryption keeps contact lists and messages private. Healthy relationships rely on open conversation, not covert checks (WhatsApp FAQ, 2023).
Forget spyware. The answer’s hiding in plain sight.
On his phone, navigate to WhatsApp Settings > Storage and Data > Manage Storage.
This screen ranks all chats by the amount of data they’ve used. The chats with the most photos, videos, and memes will be right at the top. It’s a direct leaderboard of his most active contacts, no message-reading required. Data doesn’t lie.