Qustodio is one of the most popular parent control apps that helps to ensure the overall safety of kids online. If you only require basic monitoring for one device, Qustodio free plan is enough. Still, upgrading to a premium is necessary to get access to more advanced features and monitor a higher number of devices. The 3-day free trial is perfect to test the paid plans. Plus, if you decide to subscribe, a 30-day money-back guarantee also covers your back. Qustodio will give you a full refund if you decide that it’s not the right fit for your family.