if you’re looking for an android one it depends mainly on how much you want to spend.
most are much cheaper than the ipads and many are as good if not better. again it depends on what features you want and what you want to use it for (sounds like new bike advice)
i bought my son a Lenovo S8-50 in September and so far its been faultless. the features are really good for the £100 i paid for it. for the budget tablet that it is its great value for money.
its got a full HD screen and the graphics are really good. it has dolby sound, quad core intel processor, 2Gb RAM, 16Gb memory with memory card slot, 8MP camera and the graphics card and chipset manage to play Asphalt 8 seamlessly.
your other option is the google nexus which is a great tablet but expect to pay iPad money for one