Hey there! 
Catching a cheating partner can be tricky, and there are definitely some tracking solutions out there. One app I’ve found super useful is Haqerra, which offers remote monitoring capabilities without physical phone access.
These apps typically work by using cloud synchronization or email-based setup methods. They can track location, messages, social media activity, and more. The key is finding a reliable service with good stealth mode and consistent updates.
Pro tip: Always look for apps with:
- Comprehensive tracking features
- Discreet operation
- Regular software updates
- Good customer support
Hope this helps you navigate the world of digital detective work! 
Let me know if you want more specifics.