Get easy, powerful and affordable cloud-managed WiFi with this Cloud Controller from IgniteNet.
Price of the controller is per year. Unlimited device licenses included. Unlimited number of sites. 500 devices per site. Data stored for 30 days. For an additional $4 per month per device, you can enable content filtering (e.g. just on SSID for kids).
Trial version is available without limits, but for just 2 devices.