What is the difference between LoopMessage and MessageBlue?

LoopMessage supports 53 of the 77 features compared here, and MessageBlue supports 38. LoopMessage adds group name and photo, threaded replies, edit and unsend, message effects and animated text effects. MessageBlue adds self-hosting, local testing, agent framework, uptime SLA and SOC 2 Type II.

How much do LoopMessage and MessageBlue cost?

LoopMessage: A free sandbox covers 5 contacts; dedicated senders start at $59.99 a month, with add-ons for a phone number, SMS/RCS fallback, WhatsApp and outbound-first. MessageBlue: Free when you bring your own number on your own Mac; a dedicated line is $100 a month on Startups & SMB, and Business and Enterprise are contact sales.

Does MessageBlue support group name and photo?

MessageBlue does not list group name and photo on its site or in its docs.

Does MessageBlue support threaded replies?

MessageBlue does not list threaded replies on its site or in its docs.

Does MessageBlue support edit and unsend?

MessageBlue does not list edit and unsend on its site or in its docs.

LoopMessage vs MessageBlue

Compare LoopMessage and MessageBlue side by side: iMessage features, channels, developer tools, pricing and compliance, checked on each provider's own site.

LoopMessage

iMessage, SMS, RCS and WhatsApp on one number

Starting price: $59.99/month per sender (Light)
Free plan: Sandbox: $0, 5 contacts, testing only; free shared plan for schools and non-profits

Visit LoopMessage Read more

MessageBlue

iMessage API for agents, with bring-your-own-number

Starting price: $100/month per line
Free plan: $0 with your own number and Mac, all features, limited seats

Visit MessageBlue Read more

LoopMessage supports 53 of the 77 features compared here, and MessageBlue supports 38.

Where LoopMessage is ahead

and 12 more in the table below.

Where MessageBlue is ahead

Feature comparison

Feature	LoopMessage	MessageBlue
iMessage messaging
iMessage	Supported	Supported
Group chats	SupportedSend and receive in iMessage groups; not available in the sandbox.	SupportedSend text, attachments and voice notes to groups; receive group messages.
Group management	SupportedCreate groups (needs the Init conversations add-on) and add or remove members.	PartialCreate groups of 2 to 31 by API; no add or remove participant endpoints.
Group name and photo	SupportedSet group name (32 characters max) and photo with PATCH.	Not listed
Mentions	Not listed	Not listed
Tapbacks	SupportedSix tapbacks or any emoji; inbound reactions arrive as message_reaction webhooks.	SupportedSend or remove emoji or tapbacks; inbound tapbacks arrive by webhook.
Threaded replies	Supportedreply_to_id on send; inbound webhooks carry a thread object.	Not listed
Typing indicators	SupportedUp to 60 seconds; fails if the chat had no two-way activity in the last 5 minutes.	SupportedSend and stop, up to 20 seconds; no inbound typing webhook documented.
Read receipts	PartialYou can mark chats read; no read event is documented for your outbound messages.	SupportedSend read receipts; outbound messages report a read status.
Edit and unsend	SupportedEdit within 15 minutes, unsend within 2 minutes of sending.	Not listed
Message effects	Supported13 bubble and screen effects via the effect field.	Not listed
Animated text effects	SupportedMarkup for shake, nod, explode, ripple, bloom and jitter.	Not listed
Stickers	PartialInbound messages can have type sticker; sending stickers is not documented.	Not listed
Formatted text	SupportedBold, italic, underline, strikethrough and text sizes in iMessage.	Not listed
Attachments	SupportedUp to 10 public HTTPS file URLs per message.	SupportedAttachments by public URL.
Live Photos	Not listed	Not listed
Rich link previews	SupportedLinks get rich previews by default; preview: false sends plain text.	Not listed
Voice messages	SupportedSend audio files as voice messages; inbound audio is transcribed.	SupportedTo individuals and groups.
Contact cards	Supportedcontact_file adds a vCard to the message.	Not listed
Polls	Not listedA helpdesk article lists polls among features, but no poll API is documented.	Not listed
Chat backgrounds	Not listed	Not listed
Location sharing	PartialInbound messages can have type location; sending a location is not documented.	Not listed
iMessage apps	Not listed	Not listed
Live app cards	Not listed	Not listed
Sender name and photo	Not listedDocs suggest sending a vCard so recipients see your name and photo.	Not listed
FaceTime calls	Not supportedFaceTime API is in progress on the roadmap; today only an inbound FaceTime call webhook.	Not listedInbox video call button is marked coming soon; voice calls need the team to enable.
Delivery status	Supportedmessage_delivered and message_failed webhooks, plus a status lookup by ID.	Supportedsent, delivered, read, SMS_FALLBACK and failed via status webhook.
iMessage availability check	PartialThrough LoopLookup, a separate LoopMessage service.	SupportedCheck a number, or a whole group's participants, before sending.
Focus and Notify Anyway	Not listed	Not listed
Numbers and delivery
Managed lines	SupportedDedicated senders run on hardware LoopMessage rents to you.	SupportedRequest a number and the team provisions it, typically in 3 to 5 business days.
Dedicated numbers	SupportedPhone number option is +$15/mo per dedicated sender; email senders also offered.	Supported$100/mo per line on Startups & SMB.
Shared numbers	SupportedShared senders for AI assistant use from $20/mo; free sandbox for testing.	Not listed
Bring your own number	PartialYou can port a US number in; your own Apple IDs are not accepted.	SupportedPair your own Mac and its Apple ID number with the MessageBlue agent.
Line pooling	SupportedSender pools balance new contacts across senders and match replies to the right one.	SupportedAssigns the least-mapped number per contact and remaps contacts if a number is blocked.
SMS fallback	SupportedPaid add-on, +$15/mo per dedicated sender; included on shared plans.	SupportedStatus event reports SMS_FALLBACK; not available for group creation.
RCS fallback	SupportedSame add-on uses RCS instead of SMS when the device supports it.	Not listedMarketing pages say SMS or RCS fallback; docs only describe SMS.
Outbound-first messaging	PartialInit conversations add-on (+$30/mo), warm-up and recent opt-in required; no cold messaging.	SupportedStart chats with any iMessage-capable number; warns after 5 unanswered messages.
Calls on the iMessage number	PartialInbound cell calls to the sender number are forwarded (add-on); no outbound calls.	Not listedInbox voice call button says to contact the team; number used is not stated.
Other channels
SMS	SupportedSet channel to sms; needs the SMS/RCS add-on.	PartialOnly as fallback; new chats need an iMessage-capable recipient.
RCS	SupportedSet channel to rcs; needs the SMS/RCS add-on.	Not listedMentioned only as a fallback on marketing pages.
WhatsApp	SupportedAdd-on, +$10/mo, on the same phone number and API.	Not supportedNot offered
Telegram	Not supportedPlanned on the roadmap, not available yet.	Not supported
Slack	Not listed	Not supported
Email	Not listed	Not supported
Phone calls	PartialInbound cell calls are forwarded to a number you choose (add-on); no call API.	Not listedInbox voice call button says to contact the team; call type and number not stated.
Apple Messages for Business	Not supportedNot offered; the helpdesk contrasts LoopMessage with it.	Not supportedNot offered
Unified channel API	SupportediMessage, SMS, RCS and WhatsApp on one number and one API.	PartialOne API for iMessage and its SMS fallback only.
Developer tools
REST API	Supported	SupportedOpenAPI 3.1 spec published.
TypeScript SDK	PartialNo own SDK; Twilio's SDKs work through the Twilio-compatible API.	Supportednpm messageblue (0.0.7), generated from the OpenAPI spec.
Python SDK	PartialNo own SDK; docs show Twilio's Python SDK pointed at the Twilio-compatible API.	Not supportedDocs say only TypeScript is published today; other languages on request.
Other SDKs	PartialNo own SDKs; Twilio's SDKs work through the Twilio-compatible API.	Not supported
CLI	Not listed	Not listedThe API page mentions a CLI, but none is documented.
Webhooks	SupportedRetried up to 30 times over several hours.	SupportedInbound and status URLs with retries and dead-lettering.
Signed webhooks	PartialYou set an authorization header and verify it; no HMAC signature.	SupportedX-MB-Signature: HMAC-SHA256 over timestamp and raw body.
MCP server	PartialDocumentation-only MCP server; no access to your account or messages.	PartialDocumentation-only MCP server at docs.messageblue.ai/_mcp/server.
Open source	PartialOnly the n8n node is MIT on GitHub; the platform is closed.	Not listed
Self-hosting	Not listed	SupportedEnterprise plan: your cloud (BYOC), VPC or on-prem
Local testing	Not listedThe sandbox needs a real iPhone or Mac to message it.	PartialBrowser test bench runs the no-code agent without sending an iMessage.
Custom channel providers	Not listed	Not listed
Event replay	PartialWebhook history API to fetch past events; no replay call.	SupportedFailed and dead-lettered deliveries are kept and can be replayed.
OpenTelemetry	Not listed	Not listed
No-code integrations	Supportedn8n, Zapier, Pipedream, HighLevel and LeadConnector.	SupportedZapier, plus a no-code agent builder.
CRM integrations	SupportedHighLevel CRM and LeadConnector; no HubSpot or Salesforce found.	SupportedAgent connects to Salesforce, HubSpot and others; HubSpot inbox sync is private beta.
Built for AI agents
Agent framework	Not listed	SupportedNo-code agent with model choice, prompt, knowledge, tools, memory and multi-step tasks.
Agent framework integrations	Not listed	Not listedSite says it works with LangChain and the Vercel AI SDK via webhooks; no official integration.
Streaming replies	Not listed	Not listed
Agent group chats	Not listed	Not listed
Human handoff	PartialPeople can reply from Slack, email or the embedded inbox; no agent handoff controls.	SupportedTeam inbox for manual replies; pause the agent or block it per contact.
Audit logs	PartialMessage, webhook and API request history kept; no account audit log found.	SupportedOn the Business and Enterprise plans
Message history API	SupportedPaginated history per contact, filterable by date, direction and type.	SupportedConversation by phone number.
Plans and compliance
Free plan	SupportedSandbox with 5 contacts; free shared plan for schools and non-profits.	Supported$0 when you bring your own number on your own Mac; every feature included.
Public pricing	Supported	SupportedFree and $100/mo listed; Business and Enterprise are contact sales.
No per-message fees	SupportedUnlimited messages; plans cap unique active contacts per day.	SupportedFlat $100/mo per line.
Uptime SLA	Not supportedHelpdesk says LoopMessage does not provide SLAs or contracts.	Supported99.9% SLA listed from the $100 plan; the API page says enterprise plans
Isolated infrastructure	SupportedA dedicated sender's number and server are allocated to you alone.	SupportedEnterprise plan: single-tenant or self-hosted stack
SOC 2 Type II	Not supportedHelpdesk says LoopMessage has not been through a SOC 2 audit.	PartialEnterprise page claims audited SOC 2 Type II; pricing says SOC 2 ready; no report found.
GDPR	SupportedHelpdesk says data is stored following GDPR.	Not listed

Feature

LoopMessage

MessageBlue

iMessage messaging

iMessage

Group chats

Send and receive in iMessage groups; not available in the sandbox.

Send text, attachments and voice notes to groups; receive group messages.

Group management

Create groups (needs the Init conversations add-on) and add or remove members.

PartialCreate groups of 2 to 31 by API; no add or remove participant endpoints.

Group name and photo

Set group name (32 characters max) and photo with PATCH.

Not listed

Mentions

Not listed

Tapbacks

Six tapbacks or any emoji; inbound reactions arrive as message_reaction webhooks.

Send or remove emoji or tapbacks; inbound tapbacks arrive by webhook.

Threaded replies

reply_to_id on send; inbound webhooks carry a thread object.

Not listed

Typing indicators

Up to 60 seconds; fails if the chat had no two-way activity in the last 5 minutes.

Send and stop, up to 20 seconds; no inbound typing webhook documented.

Read receipts

PartialYou can mark chats read; no read event is documented for your outbound messages.

Send read receipts; outbound messages report a read status.

Edit and unsend

Edit within 15 minutes, unsend within 2 minutes of sending.

Not listed

Message effects

13 bubble and screen effects via the effect field.

Not listed

Animated text effects

Markup for shake, nod, explode, ripple, bloom and jitter.

Not listed

Stickers

PartialInbound messages can have type sticker; sending stickers is not documented.

Not listed

Formatted text

Bold, italic, underline, strikethrough and text sizes in iMessage.

Not listed

Attachments

Up to 10 public HTTPS file URLs per message.

Attachments by public URL.

Live Photos

Not listed

Rich link previews

Links get rich previews by default; preview: false sends plain text.

Not listed

Voice messages

Send audio files as voice messages; inbound audio is transcribed.

To individuals and groups.

Contact cards

contact_file adds a vCard to the message.

Not listed

Polls

Not listedA helpdesk article lists polls among features, but no poll API is documented.

Not listed

Chat backgrounds

Not listed

Location sharing

PartialInbound messages can have type location; sending a location is not documented.

Not listed

iMessage apps

Not listed

Live app cards

Not listed

Sender name and photo

Not listedDocs suggest sending a vCard so recipients see your name and photo.

Not listed

FaceTime calls

Not supportedFaceTime API is in progress on the roadmap; today only an inbound FaceTime call webhook.

Not listedInbox video call button is marked coming soon; voice calls need the team to enable.

Delivery status

message_delivered and message_failed webhooks, plus a status lookup by ID.

sent, delivered, read, SMS_FALLBACK and failed via status webhook.

iMessage availability check

PartialThrough LoopLookup, a separate LoopMessage service.

Check a number, or a whole group's participants, before sending.

Focus and Notify Anyway

Not listed

Numbers and delivery

Managed lines

Dedicated senders run on hardware LoopMessage rents to you.

Request a number and the team provisions it, typically in 3 to 5 business days.

Dedicated numbers

Phone number option is +$15/mo per dedicated sender; email senders also offered.

$100/mo per line on Startups & SMB.

Shared numbers

Shared senders for AI assistant use from $20/mo; free sandbox for testing.

Not listed

Bring your own number

PartialYou can port a US number in; your own Apple IDs are not accepted.

Pair your own Mac and its Apple ID number with the MessageBlue agent.

Line pooling

Sender pools balance new contacts across senders and match replies to the right one.

Assigns the least-mapped number per contact and remaps contacts if a number is blocked.

SMS fallback

Paid add-on, +$15/mo per dedicated sender; included on shared plans.

Status event reports SMS_FALLBACK; not available for group creation.

RCS fallback

Same add-on uses RCS instead of SMS when the device supports it.

Not listedMarketing pages say SMS or RCS fallback; docs only describe SMS.

Outbound-first messaging

PartialInit conversations add-on (+$30/mo), warm-up and recent opt-in required; no cold messaging.

Start chats with any iMessage-capable number; warns after 5 unanswered messages.

Calls on the iMessage number

PartialInbound cell calls to the sender number are forwarded (add-on); no outbound calls.

Not listedInbox voice call button says to contact the team; number used is not stated.

Other channels

SMS

Set channel to sms; needs the SMS/RCS add-on.

PartialOnly as fallback; new chats need an iMessage-capable recipient.

RCS

Set channel to rcs; needs the SMS/RCS add-on.

Not listedMentioned only as a fallback on marketing pages.

Add-on, +$10/mo, on the same phone number and API.

Not supportedNot offered

Not supportedPlanned on the roadmap, not available yet.

Not supported

Slack

Not listed

Not supported

Not listed

Not supported

Phone calls

PartialInbound cell calls are forwarded to a number you choose (add-on); no call API.

Not listedInbox voice call button says to contact the team; call type and number not stated.

Apple Messages for Business

Not supportedNot offered; the helpdesk contrasts LoopMessage with it.

Not supportedNot offered

Unified channel API

iMessage, SMS, RCS and WhatsApp on one number and one API.

PartialOne API for iMessage and its SMS fallback only.

Developer tools

REST API

OpenAPI 3.1 spec published.

TypeScript SDK

PartialNo own SDK; Twilio's SDKs work through the Twilio-compatible API.

npm messageblue (0.0.7), generated from the OpenAPI spec.

Python SDK

PartialNo own SDK; docs show Twilio's Python SDK pointed at the Twilio-compatible API.

Not supportedDocs say only TypeScript is published today; other languages on request.

Other SDKs

PartialNo own SDKs; Twilio's SDKs work through the Twilio-compatible API.

Not supported

CLI

Not listed

Not listedThe API page mentions a CLI, but none is documented.

Webhooks

Retried up to 30 times over several hours.

Inbound and status URLs with retries and dead-lettering.

Signed webhooks

PartialYou set an authorization header and verify it; no HMAC signature.

X-MB-Signature: HMAC-SHA256 over timestamp and raw body.

MCP server

PartialDocumentation-only MCP server; no access to your account or messages.

PartialDocumentation-only MCP server at docs.messageblue.ai/_mcp/server.

Open source

PartialOnly the n8n node is MIT on GitHub; the platform is closed.

Not listed

Self-hosting

Not listed

Enterprise plan: your cloud (BYOC), VPC or on-prem

Local testing

Not listedThe sandbox needs a real iPhone or Mac to message it.

PartialBrowser test bench runs the no-code agent without sending an iMessage.

Custom channel providers

Not listed

Event replay

PartialWebhook history API to fetch past events; no replay call.

Failed and dead-lettered deliveries are kept and can be replayed.

OpenTelemetry

Not listed

No-code integrations

n8n, Zapier, Pipedream, HighLevel and LeadConnector.

Zapier, plus a no-code agent builder.

CRM integrations

HighLevel CRM and LeadConnector; no HubSpot or Salesforce found.

Agent connects to Salesforce, HubSpot and others; HubSpot inbox sync is private beta.

Built for AI agents

Agent framework

Not listed

No-code agent with model choice, prompt, knowledge, tools, memory and multi-step tasks.

Agent framework integrations

Not listed

Not listedSite says it works with LangChain and the Vercel AI SDK via webhooks; no official integration.

Streaming replies

Not listed

Agent group chats

Not listed

Human handoff

PartialPeople can reply from Slack, email or the embedded inbox; no agent handoff controls.

Team inbox for manual replies; pause the agent or block it per contact.

Audit logs

PartialMessage, webhook and API request history kept; no account audit log found.

On the Business and Enterprise plans

Message history API

Paginated history per contact, filterable by date, direction and type.

Conversation by phone number.

Plans and compliance

Free plan

Sandbox with 5 contacts; free shared plan for schools and non-profits.

$0 when you bring your own number on your own Mac; every feature included.

Public pricing

Free and $100/mo listed; Business and Enterprise are contact sales.

No per-message fees

Unlimited messages; plans cap unique active contacts per day.

Flat $100/mo per line.

Uptime SLA

Not supportedHelpdesk says LoopMessage does not provide SLAs or contracts.

99.9% SLA listed from the $100 plan; the API page says enterprise plans

Isolated infrastructure

A dedicated sender's number and server are allocated to you alone.

Enterprise plan: single-tenant or self-hosted stack

SOC 2 Type II

Not supportedHelpdesk says LoopMessage has not been through a SOC 2 audit.

PartialEnterprise page claims audited SOC 2 Type II; pricing says SOC 2 ready; no report found.

GDPR

Helpdesk says data is stored following GDPR.

Not listed

Checked on each provider's own site and docs on 2026-10-25. “Not listed” means the provider does not mention it.

Pricing

LoopMessage

A free sandbox covers 5 contacts; dedicated senders start at $59.99 a month, with add-ons for a phone number, SMS/RCS fallback, WhatsApp and outbound-first.

Pricing model: flat per sender with daily contact caps, plus monthly add-ons

Source

MessageBlue

Free when you bring your own number on your own Mac; a dedicated line is $100 a month on Startups & SMB, and Business and Enterprise are contact sales.

Pricing model: flat per line

Source