We help businesses better engage their teams to capture intelligence via their mobile phones.
We work with companies that have large, distributed field teams that are responsible for capturing
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We're looking for a Lead Mobile Developer to join our growing team and take the lead role in building our mobile product. Full job description can be found on our about page (http://www.gospotcheck.com/about)
What's the distribution of revenue per customer?
How many users will make $10 a month? $100? $1000?
Once you have that info you can segment your customers and maximize your revenue while being fair to your customers. The more money your customers make the more incentive you'll have to keep them in the FREE category because it maximizes your revenues, but your customers won't be too happy - it's a balancing act.
You may consider just keeping the free account and seeing what the usage is like before segmenting... as badkins pointed out it's hard to raise prices on your existing customers. If you introduce a new "tier" later the high revenue customers will be happy to move over to it, regardless of the price, if it will save them money.