I personally have this rule which consists of the use of the word "Just" like when she says "He is Just a friend". For me that is game over. Look, if you want to play spy for a while you can always install https://xnspy.com on her phone and monitor all sorts of activities on app's, etc. It is my opinion that the moment you have to start playing detective in your relationship, it's simply not worth it. Source: over 2 years ago

There's a spy service XNSPY that which is pretty good. Here's the link: https://xnspy.com/. Source: almost 3 years ago

Here is a popular and invisible app businesses use to keep track of employee's phone usage: https://xnspy.com. Source: about 3 years ago

Next time you get her phone in your hands install this spyware: https://xnspy.com. Source: about 3 years ago

Even the Blockheads' publisher, Noodlecake Studio. They'd taken it off from their website: https://noodlecake.com/ We have to type https://noodlecake.com/blockheads individually, that proves they don't want this game to be public on their website. Notice: The one that is on the App Store is not Noodlecake Studio's. Maybe Noodlecake Studio claimed this game as some kind of humiliation, so they decided to take it... Source: 12 months ago

Noodle Cake (https://noodlecake.com/) - mix of dev and publishing. Source: about 1 year ago