Trello offers Free Trial, but Gmail does not.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Gmail is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Trello begins at $5/User/Month when Billed Yearly, while pricing details for Gmail are unavailable.
Some top alternatives to Trello includes Smartsheet, Miro, Process Street, Wrike, Notion, Freshbooks, Jira, Basecamp, Zoho Projects, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, ClickUp, Resource Guru and Height.
Some top alternatives to Gmail includes Pipedrive, Campaigner, Moosend, SMTP, Omnisend, Constant Contact, MailChimp, Campaign Monitor, GetResponse, Mailjet, weMail, StreamSend, Groupmail, Inbox Mailers, SALESmanago Email Marketing, SendFox and Emaily.