Originally Posted by RC Trainer plane
Get phoenix or Realflight (I think phoenix is better) you won't regret it. You'll have lifetime support and free upgrades.
Note: free upgrades are only for Phoenix. With Realflight you have support only until later versions are released and you'll pay for upgrades.
It's a shame "best" is such a meaningless word really. Personally I think the free or low cost sims are plenty good enough when you're first learning and without any possible doubt they're "best" for value for money