What is your experience regarding pricing and costs for BrowserStack?

The price is fine.

They have different pricing plans for BrowserStack. We are looking to grow our presence with a particular client quite a bit. With that in mind, we are going to be adding a lot more teams and users so we looked into competitive pricing. For BrowserStack, the pricing for 25 users is similar to the pricing for 10 users on Perfecto. At the end of the day, our cost per user would be significantly higher using Perfecto versus BrowserStack. I can not say what the exact price is. BrowserStack is an expensive solution as well, but it is certainly a more cost-effective solution than competing products. The price per user license is lower. At least that is what we are seeing.

For small scale projects with 200-500 test cases involved, it is costly. But if it's a large project then it is much cheaper than purchasing real devices.