What is the difference between LoopMessage and Miss Blue?

LoopMessage supports 53 of the 77 features compared here, and Miss Blue supports 47. LoopMessage adds message effects, animated text effects, stickers, formatted text and rich link previews. Miss Blue adds sender name and photo, FaceTime calls, CLI, local testing and agent framework.

Does Miss Blue support message effects?

Miss Blue does not support message effects.

Does Miss Blue support animated text effects?

Miss Blue does not support animated text effects.

Does Miss Blue support stickers?

Miss Blue does not list stickers on its site or in its docs.

LoopMessage vs Miss Blue

Q: How much do LoopMessage and Miss Blue 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. Miss Blue: A free sandbox for testing, then $99 per dedicated number per month at the launch price (normally $198), with the usual $479 setup fee waived until October 31; FaceTime Audio ($250), phone calls ($75) or both ($300) are optional add-ons per line, and Enterprise is custom.

Compare LoopMessage and Miss Blue 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

Miss Blue

Dedicated iMessage line with API, team inbox and calling

Starting price: $99/month per number (launch price)
Free plan: Free sandbox; 30-minute live demo line

Visit Miss Blue Read more

LoopMessage supports 53 of the 77 features compared here, and Miss Blue supports 47.

Where LoopMessage is ahead

and 5 more in the table below.

Where Miss Blue is ahead

Feature comparison

Feature	LoopMessage	Miss Blue
iMessage messaging
iMessage	Supported	Supported
Group chats	SupportedSend and receive in iMessage groups; not available in the sandbox.	SupportedSend into an existing group by its chat_id and read group threads.
Group management	SupportedCreate groups (needs the Init conversations add-on) and add or remove members.	SupportedCreate groups of 2 to 32 and add or remove members; leaving a group is not supported yet.
Group name and photo	SupportedSet group name (32 characters max) and photo with PATCH.	SupportedRename a group and set or remove its photo.
Mentions	Not listed	Not listed
Tapbacks	SupportedSix tapbacks or any emoji; inbound reactions arrive as message_reaction webhooks.	SupportedAdd or remove the six tapbacks; tapbacks from customers appear on the message.
Threaded replies	Supportedreply_to_id on send; inbound webhooks carry a thread object.	SupportedQuoted replies with reply_to_message_id.
Typing indicators	SupportedUp to 60 seconds; fails if the chat had no two-way activity in the last 5 minutes.	SupportedSend typing, optional auto-typing on inbound iMessage, and contact typing via webhook.
Read receipts	PartialYou can mark chats read; no read event is documented for your outbound messages.	SupportedExplicit read receipts by API; outbound messages report read.
Edit and unsend	SupportedEdit within 15 minutes, unsend within 2 minutes of sending.	PartialUnsend within Apple's 2-minute window. An edit endpoint is documented, but the FAQ says editing is not supported yet.
Message effects	Supported13 bubble and screen effects via the effect field.	Not supportedThe errors page says effects are not a supported API operation yet.
Animated text effects	SupportedMarkup for shake, nod, explode, ripple, bloom and jitter.	Not supportedThe errors page says expressive text styles and effects are not supported yet.
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.	SupportedImages, video, PDFs, Office files and more up to 100 MiB, one per send, or carousels of 2 to 20 images.
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.	SupportedAudio-only sends use the native voice-note bubble by default.
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.	SupportedSend Find My requests, read the sharing state and watch live fixes over Server-Sent Events.
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.	SupportedSet and verify the number's Name and Photo Sharing profile by API.
FaceTime calls	Not supportedFaceTime API is in progress on the roadmap; today only an inbound FaceTime call webhook.	PartialFaceTime Audio only, as a $250/month add-on per line.
Delivery status	Supportedmessage_delivered and message_failed webhooks, plus a status lookup by ID.	Supportedpending, sent, delivered, read and failed with a reason, by webhook or per-message callback.
iMessage availability check	PartialThrough LoopLookup, a separate LoopMessage service.	SupportedLive iMessage and FaceTime registration lookup; a separate lookup reads your own past traffic.
Focus and Notify Anyway	Not listed	Not listed
Numbers and delivery
Managed lines	SupportedDedicated senders run on hardware LoopMessage rents to you.	SupportedEach number runs on a Mac that Miss Blue operates; staff provision numbers within about 48 to 72 hours.
Dedicated numbers	SupportedPhone number option is +$15/mo per dedicated sender; email senders also offered.	Supported$99/month per number at the launch price (normally $198).
Shared numbers	SupportedShared senders for AI assistant use from $20/mo; free sandbox for testing.	SupportedShared-pool numbers are offered as a separate, labelled option.
Bring your own number	PartialYou can port a US number in; your own Apple IDs are not accepted.	SupportedTransfer an existing number in; staff complete it in about 1 to 2 weeks.
Line pooling	SupportedSender pools balance new contacts across senders and match replies to the right one.	SupportedAuto round robin spreads new contacts across a project's dedicated numbers, then keeps each on one.
SMS fallback	SupportedPaid add-on, +$15/mo per dedicated sender; included on shared plans.	SupportedFalls back to RCS, or to SMS where RCS is unavailable, from the same number.
RCS fallback	SupportedSame add-on uses RCS instead of SMS when the device supports it.	SupportedFalls back to RCS where the carrier and recipient support it.
Outbound-first messaging	PartialInit conversations add-on (+$30/mo), warm-up and recent opt-in required; no cold messaging.	SupportedNew contacts are paced: 50 per number per day by default and 150 messages a day in total.
Calls on the iMessage number	PartialInbound cell calls to the sender number are forwarded (add-on); no outbound calls.	SupportedFaceTime Audio and phone calls from the number customers already message.
Other channels
SMS	SupportedSet channel to sms; needs the SMS/RCS add-on.	SupportedAs fallback from the iMessage number; the docs also describe Twilio SMS lines.
RCS	SupportedSet channel to rcs; needs the SMS/RCS add-on.	SupportedAs fallback when the carrier and recipient support it.
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 supportedNot offered as a channel; the Slack page is an integration guide.
Email	Not listed	Not supportedNot offered as a channel; iMessage can be sent to Apple ID email addresses.
Phone calls	PartialInbound cell calls are forwarded to a number you choose (add-on); no call API.	PartialBrowser phone calls as a $75/month add-on; API keys cannot place regular phone calls.
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.	SupportediMessage with RCS and SMS fallback, groups and calls share one API and webhook stream.
Developer tools
REST API	Supported	Supported113 endpoints across 13 resources, with an OpenAPI file.
TypeScript SDK	PartialNo own SDK; Twilio's SDKs work through the Twilio-compatible API.	Not listedThe API is plain HTTP; no SDK package was found.
Python SDK	PartialNo own SDK; docs show Twilio's Python SDK pointed at the Twilio-compatible API.	Not listed
Other SDKs	PartialNo own SDKs; Twilio's SDKs work through the Twilio-compatible API.	Not listed
CLI	Not listed	Supportedmb, with installers for macOS, Linux and Windows.
Webhooks	SupportedRetried up to 30 times over several hours.	Supported
Signed webhooks	PartialYou set an authorization header and verify it; no HMAC signature.	SupportedHex HMAC-SHA256 over timestamp and raw body; per-message callbacks are unsigned.
MCP server	PartialDocumentation-only MCP server; no access to your account or messages.	Supportedmb mcp serves the CLI commands as MCP tools for Claude Code, Codex, Cursor and others.
Open source	PartialOnly the n8n node is MIT on GitHub; the platform is closed.	Not supportedThe CLI repo holds builds and installers without a license; the service is closed.
Self-hosting	Not listed	Not listed
Local testing	Not listedThe sandbox needs a real iPhone or Mac to message it.	Supportedmb_sandbox_ keys simulate outcomes and signed webhooks on a virtual number, with no phone.
Custom channel providers	Not listed	Not listed
Event replay	PartialWebhook history API to fetch past events; no replay call.	PartialPer-endpoint delivery log and history sync; docs say to poll GET /v1/messages to repair missed events.
OpenTelemetry	Not listed	Not listed
No-code integrations	Supportedn8n, Zapier, Pipedream, HighLevel and LeadConnector.	BetaGoHighLevel connector is in beta; the Zapier, Make and n8n pages are setup guides.
CRM integrations	SupportedHighLevel CRM and LeadConnector; no HubSpot or Salesforce found.	BetaGoHighLevel connector in beta; HubSpot and Salesforce pages describe API builds set up in onboarding.
Built for AI agents
Agent framework	Not listed	PartialNo agent SDK; offers a managed conversational AI add-on and multi-step automations.
Agent framework integrations	Not listed	PartialGuide pages for Vercel AI SDK, Chat SDK, LangChain and Claude Agent SDK; no adapter package found.
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.	SupportedShared Message Center for human takeover, with internal notes and resolving.
Audit logs	PartialMessage, webhook and API request history kept; no account audit log found.	Not listed
Message history API	SupportedPaginated history per contact, filterable by date, direction and type.	SupportedThread history by API and a conversation sync from the line's Mac.
Plans and compliance
Free plan	SupportedSandbox with 5 contacts; free shared plan for schools and non-profits.	SupportedFree sandbox with simulated sends, plus a 30-minute live demo line by texting DEMO.
Public pricing	Supported	Supported
No per-message fees	SupportedUnlimited messages; plans cap unique active contacts per day.	Supported
Uptime SLA	Not supportedHelpdesk says LoopMessage does not provide SLAs or contracts.	PartialEnterprise only: contracted service terms; no uptime figure published.
Isolated infrastructure	SupportedA dedicated sender's number and server are allocated to you alone.	SupportedDedicated numbers run on hardware assigned to you; Enterprise adds dedicated equipment.
SOC 2 Type II	Not supportedHelpdesk says LoopMessage has not been through a SOC 2 audit.	Not listed
GDPR	SupportedHelpdesk says data is stored following GDPR.	Not listed

Feature

LoopMessage

Miss Blue

iMessage messaging

iMessage

Group chats

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

Send into an existing group by its chat_id and read group threads.

Group management

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

Create groups of 2 to 32 and add or remove members; leaving a group is not supported yet.

Group name and photo

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

Rename a group and set or remove its photo.

Mentions

Not listed

Tapbacks

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

Add or remove the six tapbacks; tapbacks from customers appear on the message.

Threaded replies

reply_to_id on send; inbound webhooks carry a thread object.

Quoted replies with reply_to_message_id.

Typing indicators

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

Send typing, optional auto-typing on inbound iMessage, and contact typing via webhook.

Read receipts

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

Explicit read receipts by API; outbound messages report read.

Edit and unsend

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

PartialUnsend within Apple's 2-minute window. An edit endpoint is documented, but the FAQ says editing is not supported yet.

Message effects

13 bubble and screen effects via the effect field.

Not supportedThe errors page says effects are not a supported API operation yet.

Animated text effects

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

Not supportedThe errors page says expressive text styles and effects are not supported yet.

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.

Images, video, PDFs, Office files and more up to 100 MiB, one per send, or carousels of 2 to 20 images.

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.

Audio-only sends use the native voice-note bubble by default.

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.

Send Find My requests, read the sharing state and watch live fixes over Server-Sent Events.

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.

Set and verify the number's Name and Photo Sharing profile by API.

FaceTime calls

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

PartialFaceTime Audio only, as a $250/month add-on per line.

Delivery status

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

pending, sent, delivered, read and failed with a reason, by webhook or per-message callback.

iMessage availability check

PartialThrough LoopLookup, a separate LoopMessage service.

Live iMessage and FaceTime registration lookup; a separate lookup reads your own past traffic.

Focus and Notify Anyway

Not listed

Numbers and delivery

Managed lines

Dedicated senders run on hardware LoopMessage rents to you.

Each number runs on a Mac that Miss Blue operates; staff provision numbers within about 48 to 72 hours.

Dedicated numbers

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

$99/month per number at the launch price (normally $198).

Shared numbers

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

Shared-pool numbers are offered as a separate, labelled option.

Bring your own number

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

Transfer an existing number in; staff complete it in about 1 to 2 weeks.

Line pooling

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

Auto round robin spreads new contacts across a project's dedicated numbers, then keeps each on one.

SMS fallback

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

Falls back to RCS, or to SMS where RCS is unavailable, from the same number.

RCS fallback

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

Falls back to RCS where the carrier and recipient support it.

Outbound-first messaging

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

New contacts are paced: 50 per number per day by default and 150 messages a day in total.

Calls on the iMessage number

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

FaceTime Audio and phone calls from the number customers already message.

Other channels

SMS

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

As fallback from the iMessage number; the docs also describe Twilio SMS lines.

RCS

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

As fallback when the carrier and recipient support it.

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 supportedNot offered as a channel; the Slack page is an integration guide.

Not listed

Not supportedNot offered as a channel; iMessage can be sent to Apple ID email addresses.

Phone calls

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

PartialBrowser phone calls as a $75/month add-on; API keys cannot place regular phone calls.

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.

iMessage with RCS and SMS fallback, groups and calls share one API and webhook stream.

Developer tools

REST API

113 endpoints across 13 resources, with an OpenAPI file.

TypeScript SDK

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

Not listedThe API is plain HTTP; no SDK package was found.

Python SDK

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

Not listed

Other SDKs

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

Not listed

CLI

Not listed

mb, with installers for macOS, Linux and Windows.

Webhooks

Retried up to 30 times over several hours.

Signed webhooks

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

Hex HMAC-SHA256 over timestamp and raw body; per-message callbacks are unsigned.

MCP server

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

mb mcp serves the CLI commands as MCP tools for Claude Code, Codex, Cursor and others.

Open source

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

Not supportedThe CLI repo holds builds and installers without a license; the service is closed.

Self-hosting

Not listed

Local testing

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

mb_sandbox_ keys simulate outcomes and signed webhooks on a virtual number, with no phone.

Custom channel providers

Not listed

Event replay

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

PartialPer-endpoint delivery log and history sync; docs say to poll GET /v1/messages to repair missed events.

OpenTelemetry

Not listed

No-code integrations

n8n, Zapier, Pipedream, HighLevel and LeadConnector.

BetaGoHighLevel connector is in beta; the Zapier, Make and n8n pages are setup guides.

CRM integrations

HighLevel CRM and LeadConnector; no HubSpot or Salesforce found.

BetaGoHighLevel connector in beta; HubSpot and Salesforce pages describe API builds set up in onboarding.

Built for AI agents

Agent framework

Not listed

PartialNo agent SDK; offers a managed conversational AI add-on and multi-step automations.

Agent framework integrations

Not listed

PartialGuide pages for Vercel AI SDK, Chat SDK, LangChain and Claude Agent SDK; no adapter package found.

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.

Shared Message Center for human takeover, with internal notes and resolving.

Audit logs

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

Not listed

Message history API

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

Thread history by API and a conversation sync from the line's Mac.

Plans and compliance

Free plan

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

Free sandbox with simulated sends, plus a 30-minute live demo line by texting DEMO.

Public pricing

No per-message fees

Unlimited messages; plans cap unique active contacts per day.

Uptime SLA

Not supportedHelpdesk says LoopMessage does not provide SLAs or contracts.

PartialEnterprise only: contracted service terms; no uptime figure published.

Isolated infrastructure

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

Dedicated numbers run on hardware assigned to you; Enterprise adds dedicated equipment.

SOC 2 Type II

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

Not listed

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

Miss Blue

A free sandbox for testing, then $99 per dedicated number per month at the launch price (normally $198), with the usual $479 setup fee waived until October 31; FaceTime Audio ($250), phone calls ($75) or both ($300) are optional add-ons per line, and Enterprise is custom.

Pricing model: flat per line

Source