Hello,
Both works under IEEE 802.11 standard, so, from this point of view, there will be no difference. But, of course, the setup is a whole new story. Enable Wi-Fi hotspot in a smartphone is a one-step activity. This is meant to be easy after all, this is for everybody.
Cisco AP is not that simple. It is difficult to say where you are making mistake but that´s the probably cause.
When test the AP 2602i, did you manage to see the SSID being spread?
Can you share your show run-config here?