Any Appchkr can also be used to monitor from an external location, cloud-style. If your organization has no external server from which to monitor, then...

Rent a bare virtual server, readily available worldwide at very affordable rates, such as from
• PlanetHippo in the UK.
• Install and run your chosen Appchkr on it.
• Done.
• Appchkr's versatile, efficient operation and small footprint make this possible on minimal hardware, saving you money.