The need for a managed switch for your home network depends on your requirements. In a typical home network, there is no need for a managed switch. An unmanaged switch, would suffice.
But if your network is complex and you have specific features which are needed, then a managed switch can be considered.
The following are the features which are available in a managed switch.By understanding these set of features you would be able to understand if a managed swicth is needed or an unmanaged switch would suffice for your home network.
Traffic segregation
A managed switch will help you segregate traffic on the network. A managed switch implements this functionality using VLAN. If your home network is a large and you want to separate the traffic for a more efficient network, then a managed switch is recommended.
The TP-Link 24 Port Gigabit Switch is a good choice for 24 port gigabit managed switch. It supports features like QoS, Vlan, IGMP.
Network Management
A managed switch can be configured using web interface. You can configure the IP address on the switch unlike a unmanaged switch where it is not possible.
Typically a home network switch may not need to be managed , unless it is a very complex network. For a basic home network, an unmanaged switch would suffice.
The NETGEAR 24-Port Gigabit Ethernet Unmanaged Switch is a good choice for an unmanaged switch.
QOS
QOS , which stands for Quality of service is an advanced feature which is available on managed switch. With this feature, your home network traffic can be prioritised.
This feature is useful when your router is a basic router and does not have the QOS feature and you need to prioritise traffic for applications like gaming etc.
Conclusion
As mentioned above , the decison to purchase a managed switch would be based on the above stated requirements. If your home network is complex or if your router does not support features like QOS, then a managed switch is recommended.
But if your home network is not complex and the need of the switch is just to connect some devices and integrate with the exisitng home network, then an unmanaged switch would suffice.
It should also be noted that you need to have good technical knowledge on how to configure and setup managed switches. Also, these switches are more expensive than unmanaged switch.
So unless it it really needed, a managed switch for a home network is not recommended.