Choose Omnisend if your sales come from a web shop and you want email and text in one automation flow. Choose Sinch Engage if you need to send campaigns and answer replies from a shared inbox. Omnisend starts free, then moves to monthly paid plans, and its top plans are quoted. Sinch Engage sells paid plans billed by the month, with the highest tier sold by quote.
Merchants wanting a single tool for email and text will find Omnisend built around that job. Its automation canvas sends email, SMS and push in a single flow. It also blocks sends outside legal hours in each recipient's time zone. Teams can add unlimited user seats with roles. The limit is that Omnisend only makes sense with a store platform connected to it.
Two-way texting is the core of Sinch Engage. Incoming replies gather in one shared inbox, and staff can answer each subscriber individually. Sinch Engage also cleans out landline and invalid numbers before a send. Android recipients can get rich cards from a branded sender through RCS. The limit is that RCS arrives only on higher plans.
Omnisend's users praise setup that needs no technical skill across the builder, automations and campaigns, and they value support staffed by real people. Some complain that layout choices are narrow and that cost grows for small businesses. Reviewers of Sinch Engage like its tidy, intuitive screens and fast, well-informed support staff. Reviewers also value it for appointment reminders, bulk SMS and conversations with customers, though some report occasional glitches in delivery or loading.
Omnisend describes a Madrid-based pet accessories ecommerce brand that sells across several European markets. The brand sends welcome, abandoned cart and lead capture flows in local languages. The revenue attributed to Omnisend grew strongly, and automated flows delivered most of that revenue. One Sinch customer, an entertainment event production company, sends SMS campaigns to promote events, connected to a CRM. The company reports strong conversion rates and a much faster launch for each new event thanks to the automations.