This app was mentioned in 2 comments, with an average of 1.00 upvote
Cut down the cost by using free wifi wherever possible. Fast food restaurants, libraries, also Telus has a free wifi network. This will work in urban areas anyway.
Telus hotspots are free for everyone, check the Telus app or their website if there is one nearby
TELUS Wi-Fi Finder App: https://play.google.com/store/apps/details?id=com.telus.wififinder
Webpage version of Wifi finder https://wififinder.telus.com/results.php?findme=1&geo=1&local=1&lat=49.27257&lon=-123.1208&acc=4825
The App works offline also, you have to go in the settings and download the Dataset for offline use.
Telus free Wifi SSID is: "#TELUS"