Some freeview units and televisions are better than others,but none really work to up to expectations.
The best source of free tv guides now ic the internet,in particular uk tv guides,that also you to comment on particular programmes.
The bbc tv guides are good,but most of the other tv stations have lousy tv guide net sections.
Well her is where the good old printed guide still rules.
But is horses for courses you may well find the epg is everything you need