Reply.io drives LinkedIn through a browser extension and stored session cookies, so the browser has to stay open and campaigns pause when a cookie needs refreshing. Extension-based LinkedIn automation has drawn documented account blocks: reviewers report campaigns stalling on cookie refresh and temporary restrictions, and LinkedIn explicitly disallows third-party browser tools. Reachium runs on the verified LinkedIn API. No extension to leave running, no cookies to break, no proxy fingerprint to flag. Your sequences keep firing while you sleep.
Reply.io looks affordable until you read the line items. The Multichannel seat is $89 per user billed annually ($99 month-to-month), and per multiple 2026 third-party pricing analyses LinkedIn automation is billed separately at roughly $69 per account, with calls and SMS adding about $29 and Jason AI a separate product from $500. Reply.io's own page markets LinkedIn inside Multichannel, so treat the line items as analyst-reported. By those analyses true multichannel lands near $187 per user. Reachium is $99 per LinkedIn account, $79 on annual billing and less again past 10 accounts, with LinkedIn included, AI credits in the seat, nothing bolted on afterwards, and cancel anytime.
Reply.io is built to send sequences across email and LinkedIn. Reachium does that and runs the inbound half too. An AI content engine writes posts on a 4-bucket strategy with a content calendar, trigger-keyword detection catches commenters on your posts, and the lead-magnet builder auto-distributes your asset by DM. Warm inbound replies land in the same unified inbox as your outbound. Reply.io has LinkedIn engagement actions but no comment-to-DM or content-publishing layer.
Reply.io has native booking links and a contact sync to Salesforce or HubSpot, so the pieces exist but live in separate surfaces. Reachium keeps the LinkedIn conversation, the meeting, and the record in one inbox. AI classification flags reply intent, meeting detection and reminders cut no-shows, native booking lands the slot, and a network CRM tracks the relationship with contact cards, tags, notes, history, and lead scoring built around your LinkedIn graph.
Reply.io sells you a tool and, at the Agency tier, a white-label version of that tool to resell to clients. That plan is built for agencies, not for running your own outreach. Reachium offers a managed Done-For-You service on top of the self-serve platform. The same verified-API engine, the same content and booking stack, operated by a team that writes the campaigns, manages the accounts, and reports on meetings booked. You approve the strategy and take the calls.
