The simple and best way for know who has saved your number in their contact list without send her/his text. You just save his/her number into your mobile and check daily status. if you are able to see his/her status it mean obviously you number is saved in his/her contact list.
Beside this, who Save my number app?
who saved my number app? what name do your friends save you on their phone? Me is the only app in the GLOBE that allows you to watch how other people name you in their contacts, and who named you HOW! Me App you can download it from here: App Store or Google play.
Also, can someone know if I searched them on Truecaller?
No, they'll get notified only if you click on ask details, otherwise it is just considered as a search. But Users with premium subscription get notification if someone views their profile!
How do I know if someone is checking me secretly on WhatsApp?
Method 2 of 2: On Android
- Tap ⋮ in the top-right corner.
- Tap Settings.
- Tap Account.
- Tap Privacy.
- Tap the toggle switch next to "Read receipts".
How can I know who see my WhatsApp DP?
open the app and click that green “SCAN” button, let app work the magic. It will spy on your contacts for few minutes show the users who have visited your WhatsApp profile today. You'll be able to see all the users who have visited your WhatsApp profile.