Boost offers Free Trial, but Omnisend does not.
Boost is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Omnisend is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Boost Starts at $19/Month whereas for Omnisend Starts at $16/Month.
Some top alternatives to Boost includes Campaigner, Moosend, SMTP, Omnisend, Email List Verify, Constant Contact, Emma, KIRIM.EMAIL, FreshMail, MailOptin, Inbox Mailers, Listagram, SendFox, OptinMagic and Maildroppa.
Some top alternatives to Omnisend includes Outgrow, ActiveCampaign, CleverTap, Moosend, Drip, Klaviyo, MailChimp, ConvertKit, Zoho Marketing Automation, Ackwire, 7Engage, Structure Pie and Flodesk.