I have had Innotek in the past and was not to impressed with them. Innotek might have fallen off the place of the earth, I have not heard much about them in the last couple of years.
Innotek was purchased by Sportdog a few years back. I know because I own Innotek. Surprisingly, the customer service from them has been very good. They have offered me a reasonably priced upgrade, however they do not offer a tool that will handle my remote bird launchers or backers. I am in, so to speak, Death Valley, so am always on the lookout for the next oasis.
What concerns me about Sportdog (my brother has one, and I have looked at other models), is that I don't think they offer a replaceable battery model - I think they are all rechargeable. The problem there is that they expect you to put it on a charger every month - but don't dare overcharge it - whether you need to use it or not. I don't need a collar year 'round. I'd much rather have a device that meets my needs, instead of me having to meet the tool's needs. Perhaps Sportdog sells different models - some of you may be able to enlighten me. I hope they do.
Generally speaking, I think Tritronics makes a good product. They have always seemed to be more expensive, but that should probably tell me something. Sometimes, I'm slow.
I am glad to hear good things about Dogtra as I didn't know much about them.
It seems to me this is still an emerging market - it doesn't seem anyone makes the tool all others compete with. That tells me we make a decision depending upon our breed or even the individual dog(s) we are dealing with when we go to market. That's not the optimal position to be in as a consumer as we all know dogs come and dogs go, and the requirements for each may be very different. Just my thoughts.
Happy Thanksgiving!
Mark