Raising prices is difficult, charging when people are used to free is near impossible. Most of your free users were never going to pay anyway so there is no point in having them use your product at all.
Trial periods still seem good to me (as a customer, not provider), the best I have come across offers a 30 day trial BUT those days need not be consecutive, use it one day a week and the trial lasts 30 weeks.
Trial periods still seem good to me (as a customer, not provider), the best I have come across offers a 30 day trial BUT those days need not be consecutive, use it one day a week and the trial lasts 30 weeks.