Miss Blue vs rustpush

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

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

rustpush

Rust library for the iMessage, FaceTime and APNs protocols
Starting price
Free
Free plan
Free source (SSPL v1)

Miss Blue supports 47 of the 77 features compared here, and rustpush supports 39.

Feature comparison

FeatureMiss Bluerustpush
iMessage messaging
iMessage
Supported
SupportedRegisters as an Apple device and talks to Apple's servers directly; read from source, no docs
Group chats
SupportedSend into an existing group by its chat_id and read group threads.
SupportedConversations carry a participant list and optional group name
Group management
SupportedCreate groups of 2 to 32 and add or remove members; leaving a group is not supported yet.
SupportedChangeParticipants messages add or remove members
Group name and photo
SupportedRename a group and set or remove its photo.
SupportedRename and IconChange messages set a group's name and photo
Mentions
Not listed
SupportedMention message parts
Tapbacks
SupportedAdd or remove the six tapbacks; tapbacks from customers appear on the message.
SupportedSix classic tapbacks plus emoji; sticker tapbacks are receive only
Threaded replies
SupportedQuoted replies with reply_to_message_id.
Supportedreply_guid and reply_part on messages
Typing indicators
SupportedSend typing, optional auto-typing on inbound iMessage, and contact typing via webhook.
SupportedTyping message type
Read receipts
SupportedExplicit read receipts by API; outbound messages report read.
SupportedRead and Delivered message types
Edit and unsend
PartialUnsend within Apple's 2-minute window. An edit endpoint is documented, but the FAQ says editing is not supported yet.
SupportedEdit and Unsend message types
Message effects
Not supportedThe errors page says effects are not a supported API operation yet.
Supportedeffect field on messages
Animated text effects
Not supportedThe errors page says expressive text styles and effects are not supported yet.
SupportedBig, small, shake, nod, explode, ripple, bloom and jitter
Stickers
Not listed
PartialSticker tapbacks are received; the code marks sending them as unsupported
Formatted text
Not listed
SupportedBold, italic, underline and strikethrough
Attachments
SupportedImages, video, PDFs, Office files and more up to 100 MiB, one per send, or carousels of 2 to 20 images.
SupportedInline data or MMCS (iCloud) file transfer
Live Photos
Not listed
PartialReceived attachments carry a Live Photo flag; uploads always set it to false
Rich link previews
Not listed
SupportedLinkMeta with LPLinkMetadata rich link data
Voice messages
SupportedAudio-only sends use the native voice-note bubble by default.
Supportedvoice flag on messages
Contact cards
Not listed
Not listed
Polls
Not listed
Not listed
Chat backgrounds
Not listed
SupportedSetTranscriptBackground sets or removes a chat background
Location sharing
SupportedSend Find My requests, read the sharing state and watch live fixes over Server-Sent Events.
PartialFind My clients read friends' and items' locations; OpenBubbles says sharing live location is unsupported
iMessage apps
Not listed
SupportedExtension app balloons with template layouts
Live app cards
Not listed
SupportedUpdateExtension messages update a sent app balloon
Sender name and photo
SupportedSet and verify the number's Name and Photo Sharing profile by API.
SupportedShare Name and Photo, including contact posters
FaceTime calls
PartialFaceTime Audio only, as a $250/month add-on per line.
SupportedCreate, ring, join and leave FaceTime sessions
Delivery status
Supportedpending, sent, delivered, read and failed with a reason, by webhook or per-message callback.
SupportedDelivered and Read receipts plus error messages
iMessage availability check
SupportedLive iMessage and FaceTime registration lookup; a separate lookup reads your own past traffic.
SupportedIDS lookups validate targets before sending
Focus and Notify Anyway
Not listed
SupportedNotifyAnyways messages; StatusKit shares and receives Focus status
Numbers and delivery
Managed lines
SupportedEach number runs on a Mac that Miss Blue operates; staff provision numbers within about 48 to 72 hours.
Not supportedA library; you register your own Apple ID and device identity
Dedicated numbers
Supported$99/month per number at the launch price (normally $198).
Not supportedNot offered
Shared numbers
SupportedShared-pool numbers are offered as a separate, labelled option.
Not supported
Bring your own number
SupportedTransfer an existing number in; staff complete it in about 1 to 2 weeks.
SupportedYour own Apple ID; a phone number registers through an iPhone running a relay app
Line pooling
SupportedAuto round robin spreads new contacts across a project's dedicated numbers, then keeps each on one.
Not listed
SMS fallback
SupportedFalls back to RCS, or to SMS where RCS is unavailable, from the same number.
Not listed
RCS fallback
SupportedFalls back to RCS where the carrier and recipient support it.
Not listed
Outbound-first messaging
SupportedNew contacts are paced: 50 per number per day by default and 150 messages a day in total.
SupportedSend to any handle after an IDS key lookup
Calls on the iMessage number
SupportedFaceTime Audio and phone calls from the number customers already message.
PartialFaceTime on the same Apple ID; no phone calls
Other channels
SMS
SupportedAs fallback from the iMessage number; the docs also describe Twilio SMS lines.
PartialSMS message type, sent through text forwarding from a registered iPhone
RCS
SupportedAs fallback when the carrier and recipient support it.
Not listed
WhatsApp
Not supportedNot offered
Not supportedNot offered
Telegram
Not supported
Not supported
Slack
Not supportedNot offered as a channel; the Slack page is an integration guide.
Not supported
Email
Not supportedNot offered as a channel; iMessage can be sent to Apple ID email addresses.
Not supported
Phone calls
PartialBrowser phone calls as a $75/month add-on; API keys cannot place regular phone calls.
Not supportedNot offered; FaceTime only
Apple Messages for Business
Not supportedNot offered
Not supportedNot offered
Unified channel API
SupportediMessage with RCS and SMS fallback, groups and calls share one API and webhook stream.
PartialiMessage and forwarded SMS share one message type; no other channels
Developer tools
REST API
Supported113 endpoints across 13 resources, with an OpenAPI file.
Not supportedRust library only; no HTTP API
TypeScript SDK
Not listedThe API is plain HTTP; no SDK package was found.
Not listedRust crate only
Python SDK
Not listed
Not listed
Other SDKs
Not listed
PartialThe library itself is a Rust crate; no other language bindings found
CLI
Supportedmb, with installers for macOS, Linux and Windows.
Not listed
Webhooks
Supported
Not supportedLibrary only; your code receives messages directly, no webhooks
Signed webhooks
SupportedHex HMAC-SHA256 over timestamp and raw body; per-message callbacks are unsigned.
Not supportedNo webhooks
MCP server
Supportedmb mcp serves the CLI commands as MCP tools for Claude Code, Codex, Cursor and others.
Not listed
Open source
Not supportedThe CLI repo holds builds and installers without a license; the service is closed.
PartialSource under SSPL v1; the Mac validation-data module is a closed-source stub
Self-hosting
Not listed
SupportedRuns inside your own application
Local testing
Supportedmb_sandbox_ keys simulate outcomes and signed webhooks on a virtual number, with no phone.
Not listed
Custom channel providers
Not listed
Not listed
Event replay
PartialPer-endpoint delivery log and history sync; docs say to poll GET /v1/messages to repair missed events.
Not listed
OpenTelemetry
Not listed
Not listed
No-code integrations
BetaGoHighLevel connector is in beta; the Zapier, Make and n8n pages are setup guides.
Not listed
CRM integrations
BetaGoHighLevel connector in beta; HubSpot and Salesforce pages describe API builds set up in onboarding.
Not listed
Built for AI agents
Agent framework
PartialNo agent SDK; offers a managed conversational AI add-on and multi-step automations.
Not listed
Agent framework integrations
PartialGuide pages for Vercel AI SDK, Chat SDK, LangChain and Claude Agent SDK; no adapter package found.
Not listed
Streaming replies
Not listed
Not listed
Agent group chats
Not listed
Not listed
Human handoff
SupportedShared Message Center for human takeover, with internal notes and resolving.
Not listed
Audit logs
Not listed
Not listed
Message history API
SupportedThread history by API and a conversation sync from the line's Mac.
SupportedMessages in iCloud sync for chats, messages and attachments
Plans and compliance
Free plan
SupportedFree sandbox with simulated sends, plus a 30-minute live demo line by texting DEMO.
SupportedFree source under SSPL v1
Public pricing
Supported
Not listedNo prices or commercial license terms published
No per-message fees
Supported
SupportedNo fees; free source
Uptime SLA
PartialEnterprise only: contracted service terms; no uptime figure published.
Not supportedSSPL disclaims all warranty
Isolated infrastructure
SupportedDedicated numbers run on hardware assigned to you; Enterprise adds dedicated equipment.
SupportedRuns in your own process and infrastructure
SOC 2 Type II
Not listed
Not listedSelf-hosted; compliance is up to the operator
GDPR
Not listed
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

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

rustpush

rustpush is free source under SSPL v1; you supply Apple hardware identifiers or an always-on iPhone relay, and anyone offering it as a service must publish their service's source.

Pricing model: free self-hosted library

Source

Which should you choose?

Choose Miss Blue if you need managed lines, dedicated numbers, shared numbers and line pooling.

Choose rustpush if you need mentions, message effects, animated text effects and stickers.

Frequently asked questions