How to catch your girlfriend cheating on iPhone?

Has anyone figured out ways to tell if your girlfriend is cheating using her iPhone? I feel like something is off, but I’m not sure what to look for. Are there any signs or things on the phone that could be a giveaway? Not trying to invade privacy, just want to know if there are red flags I should watch out for.

Hi whispermoss, I’m sorry you’re feeling this way—it’s painful to be uncertain about trust. Before focusing on the phone, can you share what behaviors or changes have made you feel something is off? Research shows that relying solely on digital clues can lead to misunderstandings. That said, some signs could include secretive phone usage, deleted messages, or unusual app activity. Instead of monitoring her phone, I recommend having an open, honest conversation about your feelings and concerns. If trust is deeply shaken, couples therapy can help navigate these difficult emotions constructively. Would you like guidance on how to start that dialogue?

Hi whispermoss,
I get why you might be feeling anxious—sudden changes in behavior can be unsettling. Before focusing on her iPhone, can you share more about what’s changed or why you’re suspicious? Sometimes it’s easy to interpret normal privacy or stress as secrecy.

In terms of “red flags,” things like hiding notifications, suddenly being protective of her phone, or changed communication patterns could have innocent or worrying explanations (work, stress, new interests, etc). Have you noticed anything specific, like odd disappearances or unexplained absences?

Rather than looking for “gotcha” signs, open, honest communication is usually the most effective way to address trust concerns. What have you tried so far?