Note that this video primarily focuses on operator speed, while the Dialog article takes multiple factors into consideration.
Dialog is also considered to be expensive, which is the premium you pay for enjoying the good network. However, for most visitors, the prices will still be affordable, especially when compared to what your home operator will for the same amount of data (and if unlucky, even less).
To see the in-depth review of Dialog, make sure to check out https://phonetravelwiz.com/dialog
Other Sri Lankan operators:
- Airtel Sri Lanka
- Sri Lankan SIM Card Comparison