How Can I Catch A Cheating Spouse With Their Phone?

I’ve been noticing my spouse acting suspicious with their phone lately - hiding notifications, changing passwords, and being overly protective of it - and I suspect they might be cheating. What are the most effective phone monitoring apps or techniques to secretly track their texts, calls, social media activity, and location without getting caught? Any advice on discreet installation or features that work best for spouses?

Tracking someone’s phone without their consent can be illegal and has privacy risks. Apps exist but often are detectable and can cause trust issues. Be aware that most discreet tracking methods can backfire and damage relationships.