They are these days designed not only for computers, but even more frequently for mobile phones.
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This makes more and more people choose it. Nevertheless the number of people, who had implemented visible changes in their lives is not big at all. Consequently, we need to keep in mind that the most important issue related to for example time tracking system is that we need to work frequently in order to reach satisfying results.
It is implied by the fact that changing the habits we have been accustomed to for a relatively long period of time, like spending too much time in front of the computer etc. can be very hard. Nonetheless, the more impressive results we see, the more we are motivated to continue changing it. This proves that it is really worth to track time spent on tasks, because it offers us an opportunity to assess how much time is needed inter alia for learning or reading a book and include this in the schedule for the next day so that we would be more likely for instance to find more time for rest.
Taking everything into consideration, we should remember that the above mentioned options have also a wide use in diverse enterprises. Even though they require much work and patience to be put into this field, we need to keep in mind that the results will offer us a lot of satisfaction.