You can use snipping tool or a screenshot as you complete each takeoff, or you can input your takeoff as you go into an excel spreadsheet to keep track of quantities. The key differences are that you cannot create multiple conditions within a bid and your takeoff is not saved when you go to a different page. You can actually use a free version of On-Screen Takeoff. For most, the productivity gained by using On Center Software's products makes up for the cost of the software however, that doesn't mean it is the right choice for everyone. With that said, it all depends on how much productivity you lose by using alternative methods.

The reason I still use their classic products is because they are connected interactively on all three fronts the Oasis products do not yet have an estimating platform (only takeoff and field management). Although it does not save you money compared to the classic products, but I was a beta tester for Oasis Takeoff and loved it. If my memory serves me well, the last time I checked it was around $250 / month. It's payment structure is setup as a monthly subscription (and I believe you can pay annually at a discounted rate). They have been offering a cloud based takeoff solution as well as a field management solution for some time now.

On-Screen Takeoff, Quick Bid, & Digital Production Control). On Center Software is the best in the business right now, but you don't have to go for the classic products (e.g. Unfortunately, there is a severe lack of competition in the construction software market in all aspects.

Best free takeoff software