You get what you pay for. There are other charting services available. These are merely representative examples. There are many programs available for various prices. Or you can manually enter the data from the newspaper.
Programs provide a wide range of technical analysis computations in addition to moving averages.
RSI, MACD, Stochastics, etc., are routinely included. Frequently you can change the length of the moving averages or other parameters. Intermediate values of the rating are less conclusive. Charts generally contain a fair amount of fundamental information such as sales, dividends, prior growth rates, institutional ownership. For example, if you only want to follow a handful of mutual funds of stocks, charting on a weekly basis is easy enough.