Comms vs LoopMessage
LoopMessage sells a phone number, fallback and outbound as add-ons. Comms Dedicated includes them. Prices checked 18 October 2026.
What you pay
Comms Dedicated is $200/month. LoopMessage Light with those add-ons is $119.99/month plus $60 one-off.
Volume
Comms: up to 7,000 messages a day per line. LoopMessage Light: up to 300 unique contacts a day.
An MCP that sends
The Comms MCP server sends messages. LoopMessage’s searches its documentation.
At a glance
Reviewed . Current product facts
LoopMessage prices a dedicated sender by unique daily contacts and sells key features as add-ons. A Light sender with a phone number, SMS and RCS fallback and the ability to start conversations comes to $119.99/month plus $60 in one-off fees, for up to 300 unique contacts a day. Comms Dedicated is $200/month with $0 setup and includes those features, with up to 7,000 messages a day per line.
For a small, mostly inbound workload, LoopMessage usually costs less. Comms includes a team inbox, hosted AI agents with human handoff, and a hosted MCP server that sends messages; LoopMessage’s MCP server searches its documentation and does not send messages.
Plans and capabilities
LoopMessage figures are from its pricing page and helpdesk on 18 October 2026.
| Comms by Osis | LoopMessage | |
|---|---|---|
| Entry dedicated plan | $200/month, $0 setup | Light from $59.99/month per sender (up to 300 unique daily contacts); Regular from $99.99/month (up to 1,000) |
| Phone number | Included | +$15/month and $15 one-off; otherwise the sender is an email address |
| Start conversations | Included | +$30/month and $30 one-off, with a warm-up from 2 new conversations a day, recent opt-in and about a 30% reply rate |
| SMS and RCS fallback | Included: iMessage, eligible RCS, then SMS | +$15/month and $15 one-off on dedicated senders |
| Free testing | Free shared line, 100 messages a day | 5-contact sandbox |
| MCP server | Hosted, sends and reads messages | Hosted, documentation search only |
| Team inbox and hosted agents | Included | Not part of the plans compared here |
What Comms provides
Comms offers a hosted messaging API, signed inbound webhooks, a team inbox, optional agents and hosted MCP. Free is a shared test line with 100 messages/day. Plus is $50/month on a shared platform line. Dedicated is $200/month with $0 setup; it is a different plan with a dedicated number.
API line claiming requires workspace approval and available inventory. A denied claim returns line_claim_not_allowed; unavailable inventory returns no_available_line.
RCS requires a supported dedicated line, carrier enablement, and a compatible recipient. Sending currently supports one plain-text message to an E.164 phone number.
Porting requires approval and a supported number. Confirm port-in, port-out, geographic availability, fees, and timing before planning a migration. You can cancel replacement setup before submitting the transfer; a submitted transfer cannot be canceled from the setup panel.
AI usage is billed separately from messaging plans, through prepaid Comms credits or a connected customer OpenRouter account. No messaging plan includes AI usage. Review credit-purchase fees and model costs before enabling a hosted agent.
Test each provider
Use a consenting recipient and an eligible test line. Send a message with a stable retry identity, receive a reply, verify the webhook signature, replay an event, and reconcile a delivery receipt. Test explicit channel failures and uncertain sends separately. An accepted request is not a delivered message.
For a SaaS integration, use two tenants and prove that a reply cannot reach the wrong tenant. Check human handoff, opt-outs, credential scopes and line offboarding. Ask each provider for number control, supported countries, throughput and service terms in writing.
When each one fits
LoopMessage fits a low-volume integration that mostly answers inbound messages and can work within its per-contact limits and outbound warm-up. Comms fits teams that start conversations, need more than a few hundred contacts a day per line, or want the inbox, hosted agents and hosted MCP included.
Get a dedicated line.
Dedicated is $200/month with $0 setup. Book a call to scope lines for your team, or start on a free shared line to test.