Plans: Both have very similar plan offerings starting as low as $15 per month. Please see Chatr plans and Public Mobile plans for the most up-to-date plan offers. The main difference is that Public Mobile offers rewards that allow you to get your plan down to $0, whereas Chatr doesn't. Coverage: Chatr has good coverage, but it's definitely spottier than Public Mobile's coverage area. They use the Rogers' towers, so coverage may vary by area. Compare Chatr vs Public Mobile coverage maps here & here. Parent Company: Chatr is owned by Rogers, while Public Mobile is owned by Telus Phones: Chatr sells a variety of entry level phones or allows you to bring your own. Public Mobile allows you to bring your own or purchase certified pre-owned phones. Customer Service: Chatr has phone support that may add extra processing fees, while Public Mobile uses free chat and a community forum to answer support questions.