You set the aperture and they automatically set the shutter. So perhaps a better name would be semi-automatic but really you don't have a choice unless you trick the camera by changing the film speed manually and hope & pray you remember to change it back...
If you want a rangefinder then don't give up but start saving and doing the research I mentioned. You'll soon discover the cameras available and the prices. Spend a few pennies on a note book and use your notes to sort out what you want.
An example; I recommended the FED-2 as it a good design (wide RF base), easy to find and a tough old bird. It may not, however, be your idea of a rangefinder as it loads the old fashioned way and doesn't have a lever wind to advance the film. OTOH, they are dirt cheap for what you get and specialist like Oleg can make them as good as new for a fraction of the cost of (say) a Leica.
Now look at Leicas; they cost thousands for the M series and there's no point in buying a Leica and not using a Leica lens and they are heading towards thousands in what Leica made for the not so well heeled.
Leica make very nice lenses for the rich with F/1.4 apertures but they also made f/2.8 and f/3.5 lenses and they are usually the bargains. But here the word "bargain" is relative to the cost of a new fast one. Now many people suggest that you use other makes of lens but I think the main reason for buying a Leica is the glassware, not the body.
Regards, David
PS FWIW a cheap conventional and purely manual RF might be the Zorki 6.
PPS Your research should also cover the typical cost of a repair, because one will be needed sooner or later for any RF.