Hey Figaro Both ADT and Cisco are reputed companies, so I don’t think any of them will provide poor services. But yes, as you have mentioned cisco is more expensive than others, then it is possible. If you want to decide between these two then you should not only base your choice around price but also check what services are provided by them.Hey Figaro Both ADT and Cisco are reputed companies, so I don’t think any of them will provide poor services. But yes, as you have mentioned cisco is more expensive than IVP, then it is possible. If you want to decide between these two then you should not only base your choice around price but also check what services are provided by them.