What is the difference between Blue Reacher and Zernio?

Blue Reacher supports 50 of the 77 features compared here, and Zernio supports 57. Blue Reacher adds FaceTime calls, iMessage availability check, line pooling, local testing and isolated infrastructure. Zernio adds edit and unsend, stickers, formatted text, location sharing and sender name and photo.

How much do Blue Reacher and Zernio cost?

Blue Reacher: Lines are $249 a month each plus a $449 activation fee, $199 a month each at 4 or more lines, or $1,949 per line per year with activation waived. Zernio: An iMessage sender costs $200 a month plus Zernio's per-account fee, with a free sandbox; SMS, calls and outbound messages past 10,000 a month are metered.

Does Zernio support FaceTime calls?

Zernio does not list FaceTime calls on its site or in its docs.

Does Zernio support iMessage availability check?

Zernio does not list iMessage availability check on its site or in its docs.

Does Zernio support line pooling?

Zernio does not list line pooling on its site or in its docs.

Blue Reacher vs Zernio: Features, Pricing and Differences

Feature comparison

Feature	Blue Reacher	Zernio
iMessage messaging
iMessage	SupportedOne-to-one iMessage sends and replies over REST and webhooks.	Supported
Group chats	PartialAPI docs (22 Oct 2026) say not available yet; the site sells group threads opened from the CRM.	SupportedGroups on ordered senders: reply, create, rename, photo, members. Not on the sandbox line.
Group management	PartialAdd, remove and leave are documented, but aPI docs (22 Oct 2026) say not available yet.	SupportedStart a group from a sender and add or remove participants; applied asynchronously.
Group name and photo	PartialRename and group photo are documented, but aPI docs (22 Oct 2026) say not available yet.	SupportedRename a group or change its photo, one change per call.
Mentions	Not listed	Not listed
Tapbacks	PartialInbound reactions arrive as webhooks; sending the six tapbacks is not available on the API yet.	SupportedSix Apple tapbacks plus custom emoji (iOS 18+). Inbound reactions arrive by webhook.
Threaded replies	PartialSite lists threaded replies; the API reply option sends a quoted reply, not an inline thread.	SupportedreplyTo on sends; inbound messages carry the reply thread id.
Typing indicators	PartialTyping endpoint is documented, but aPI docs (22 Oct 2026) say not available yet.	PartialSend only, 1:1 chats, about 15 seconds, after a recent two-way exchange.
Read receipts	Partialmessage.read webhooks fire; sending native read receipts is not available on the API yet.	PartialMark a chat read inside an active two-way chat. Webhook docs list message.read for other platforms only.
Edit and unsend	Not listed	SupportedEdit text within 15 minutes; unsend within 2 minutes removes the bubble for the recipient.
Message effects	Partial8 screen and 4 bubble effects are documented, but aPI docs (22 Oct 2026) say not available yet.	Supported13 screen and bubble effects, such as slam, invisibleInk, confetti and fireworks.
Animated text effects	Not listed	Not listed
Stickers	Not listed	PartialInbound stickers are typed as sticker. Sending stickers is not documented.
Formatted text	Not supportedDocs say there is no Markdown rendering on any channel.	SupportedInline bold, _italic_, __underline__ and ~strikethrough~ markup renders as rich text.
Attachments	SupportedOne file per message for now. Images and video up to 100 MB, audio and PDF up to 25 MB.	SupportedUp to 10 per message, each a public https URL of at most 256 characters.
Live Photos	Not listed	Not listed
Rich link previews	SupportedA bare URL renders as a preview card on iMessage, built on the recipient's device.	SupportedOn by default; linkPreview: false sends links as plain text.
Voice messages	PartialNative voice memo endpoint is documented, but aPI docs (22 Oct 2026) say not available yet.	SupportedvoiceNote: true on an audio file. Inbound voice messages come with a transcript.
Contact cards	PartialDocs and site say lines send contact cards; no endpoint appears in the API reference.	PartialcontactCard shares the sender's own card only.
Polls	Not listed	Not listed
Chat backgrounds	Not listed	Not listed
Location sharing	Not listed	PartialStatic location pins only. Inbound shared locations arrive without coordinates.
iMessage apps	Not listed	Not listed
Live app cards	Not listed	Not listed
Sender name and photo	Not listedDocs say recipients see only the number until they save your contact card.	PartialSets the name and photo on the sender's contact card, which recipients see when they save it.
FaceTime calls	PartialFaceTime audio from the line, started by a person; $99/mo add-on. Calls API not available yet.	Not listedInbound FaceTime attempts show in the thread as call-typed messages. No calling documented.
Delivery status	Supportedmessage.sent, delivered, read and failed webhooks, plus a status endpoint.	Supportedmessage.delivered and message.failed webhooks; sends deferred for pacing show as queued.
iMessage availability check	PartialCapability lookup for up to 100 numbers is documented, but aPI docs (22 Oct 2026) say not available yet.	Not listed
Focus and Notify Anyway	Not listed	Not listed
Numbers and delivery
Managed lines	SupportedEach line is an Apple ID on Apple hardware run by Blue Reacher.	SupportedZernio orders numbers on its delivery provider's Apple-registered infrastructure.
Dedicated numbers	SupportedEvery line is a dedicated number with a custom area code.	SupportedUS or UK numbers, some active instantly; email-handle senders through the API.
Shared numbers	Not supportedDocs say each line is yours alone, never shared and never recycled.	SupportedFree shared sandbox line for testing: contact writes first, 5 contacts, 50 messages a day.
Bring your own number	SupportedPricing lists port-in support for an existing number.	PartialiMessage cannot run on a number you own. A sender held with the provider can be registered.
Line pooling	SupportedOmit the line on a send and load balancing picks one; the site calls it smart routing.	Not listedOne sender per profile; docs suggest spreading contacts across senders by hand.
SMS fallback	Supported	SupportedSMS or RCS from the same number when the contact is not on iMessage.
RCS fallback	PartialSite says iMessage, then RCS, then SMS; the docs say the platform's own fallback is SMS.	SupportedSMS or RCS from the same number; the provider picks per contact.
Outbound-first messaging	SupportedCold outreach allowed: 30 cold or 50 opted-in new contacts a day per warmed line.	SupportedOne new chat per 15 minutes per sender, warm-up from 2 to 50 a day, no links in openers.
Calls on the iMessage number	PartialFaceTime audio from the same line. Phone calls need your own provider using the number as caller ID.	PartialOrdered numbers include call forwarding. Placing calls from the iMessage number is not documented.
Other channels
SMS	PartialOnly as automatic fallback from the same line.	Supported
RCS	PartialSite lists RCS fallback; the docs say messages deliver over iMessage or SMS.	Supported
WhatsApp	Not supportedNot offered	Supported
Telegram	Not supported	Supported
Slack	Not supportedNot offered as a channel; a Slack guide forwards replies into Slack.	Supported
Email	Not supportedNot offered. Docs say there is no email-address sender option.	Not supportedNot offered as a channel. iMessage senders can use an email handle.
Phone calls	PartialDocs cover FaceTime audio only; the pricing page lists 2-way calling with SIP routing.	SupportedInbound and outbound PSTN calls, SIP trunks, browser softphone, recording and transcription.
Apple Messages for Business	Not supportedNot offered; the site describes it as a separate Apple product.	Not supportedNot offered
Unified channel API	SupportediMessage and SMS fallback share one send endpoint and message model.	SupportedSame inbox send call and webhooks for iMessage, SMS, WhatsApp, Telegram, Slack and social DMs.
Developer tools
REST API	Supported	Supported
TypeScript SDK	Supportednpm package bluereacher, v0.1.0 (Sept 2026), MIT.	Supported@zernio/node
Python SDK	SupportedPyPI package bluereacher, v0.1.0 (Sept 2026), MIT.	Supportedzernio-sdk
Other SDKs	Not supportedDocs suggest generating Go, Java, Ruby or PHP clients from the OpenAPI spec.	SupportedGo, Ruby, Java, PHP, .NET and Rust.
CLI	Supportedbluereacher-cli on npm: send, status, conversations and capability checks.	SupportedZernio CLI, including iMessage inbox sends and reactions.
Webhooks	Supported	Supported
Signed webhooks	SupportedHMAC-SHA256 in X-BlueReacher-Signature.	SupportedHMAC-SHA256 of the raw body in X-Zernio-Signature, keyed by your secret.
MCP server	SupportedHosted MCP server at api.bluereacher.com/v1/mcp; works with sandbox keys.	SupportedHosted at mcp.zernio.com/mcp, with OAuth sign-in or an API key.
Open source	PartialSDKs, CLI, a stdio MCP server and an n8n node are MIT on GitHub. The platform is closed.	PartialSDKs, CLI, n8n node and Chat SDK adapter are MIT or Apache-2.0. The platform is closed.
Self-hosting	Not listed	Not supportedHosted cloud service only
Local testing	SupportedPublic sandbox key runs the API and MCP against a simulator, with simulated inbound replies.	Not listedThe free sandbox still needs your own phone or Apple ID.
Custom channel providers	Not listed	Not listed
Event replay	PartialRetries for about a day; undelivered events are kept and support replays them on request.	Supported7 attempts over about 51 hours, then dead-letter; any past event can be redelivered.
OpenTelemetry	Not listed	Not listed
No-code integrations	SupportedNative GoHighLevel, plus Zapier, Make and n8n guides and an n8n community node.	Partialn8n, Make and Zapier guides cover posting; Make's API call module reaches any endpoint.
CRM integrations	SupportedNative HubSpot, Salesforce, Close, Pipedrive, Follow Up Boss and Jobber (beta).	SupportedHubSpot: inbox contacts and messages sync to HubSpot timelines.
Built for AI agents
Agent framework	PartialBuilt-in AI reply assistant on your own model key, with per-contact controls. No agent SDK.	PartialWorkflow engine with AI and handoff nodes; the workflow docs do not list iMessage.
Agent framework integrations	PartialGuide pages for LangChain and the Vercel AI SDK that wrap the API as a tool.	PartialVercel Chat SDK adapter (iMessage not listed) and an OpenClaw skill.
Streaming replies	Not listed	PartialChat SDK adapter streams by editing on Telegram only.
Agent group chats	Not listed	Not listed
Human handoff	SupportedPause or snooze the AI assistant per contact while a person replies.	PartialDashboard inbox and workflow handoff nodes; no iMessage-specific handoff documented.
Audit logs	PartialDocs mention an exportable opt-out audit trail; no general activity log is documented.	SupportedAppend-only log of team-management actions; Enterprise adds broader audit logs.
Message history API	SupportedConversation history per contact, cursor-paginated.	Supported
Plans and compliance
Free plan	SupportedFree public sandbox key; simulator only, no real messages sent.	SupportedFirst 2 connected accounts free; free iMessage sandbox (5 contacts, 50 messages a day).
Public pricing	Supported	Supported$200 per iMessage sender per month, plus the connected-account fee.
No per-message fees	Supported	PartialiMessage pages say no per-message fee; an outbound meter of $1 per 10,000 after 10,000 starts Oct 2026.
Uptime SLA	Not listed	Not listedSite states 99.97% uptime; no contractual SLA found.
Isolated infrastructure	SupportedDedicated lines per customer, never shared; workspaces logically isolated.	Not listed
SOC 2 Type II	Not supportedTrust page says controls map to SOC 2 but the independent attestation is not complete.	SupportedSOC 2 Type II report in the trust portal, by access request.
GDPR	SupportedGDPR page and a published DPA with Standard Contractual Clauses.	SupportedGDPR documentation in the trust portal; public DPA.

Feature

Blue Reacher

Zernio

iMessage messaging

iMessage

One-to-one iMessage sends and replies over REST and webhooks.

Group chats

PartialAPI docs (22 Oct 2026) say not available yet; the site sells group threads opened from the CRM.

Groups on ordered senders: reply, create, rename, photo, members. Not on the sandbox line.

Group management

PartialAdd, remove and leave are documented, but aPI docs (22 Oct 2026) say not available yet.

Start a group from a sender and add or remove participants; applied asynchronously.

Group name and photo

PartialRename and group photo are documented, but aPI docs (22 Oct 2026) say not available yet.

Rename a group or change its photo, one change per call.

Mentions

Not listed

Tapbacks

PartialInbound reactions arrive as webhooks; sending the six tapbacks is not available on the API yet.

Six Apple tapbacks plus custom emoji (iOS 18+). Inbound reactions arrive by webhook.

Threaded replies

PartialSite lists threaded replies; the API reply option sends a quoted reply, not an inline thread.

replyTo on sends; inbound messages carry the reply thread id.

Typing indicators

PartialTyping endpoint is documented, but aPI docs (22 Oct 2026) say not available yet.

PartialSend only, 1:1 chats, about 15 seconds, after a recent two-way exchange.

Read receipts

Partialmessage.read webhooks fire; sending native read receipts is not available on the API yet.

PartialMark a chat read inside an active two-way chat. Webhook docs list message.read for other platforms only.

Edit and unsend

Not listed

Edit text within 15 minutes; unsend within 2 minutes removes the bubble for the recipient.

Message effects

Partial8 screen and 4 bubble effects are documented, but aPI docs (22 Oct 2026) say not available yet.

13 screen and bubble effects, such as slam, invisibleInk, confetti and fireworks.

Animated text effects

Not listed

Stickers

Not listed

PartialInbound stickers are typed as sticker. Sending stickers is not documented.

Formatted text

Not supportedDocs say there is no Markdown rendering on any channel.

Inline *bold*, _italic_, __underline__ and ~strikethrough~ markup renders as rich text.

Attachments

One file per message for now. Images and video up to 100 MB, audio and PDF up to 25 MB.

Up to 10 per message, each a public https URL of at most 256 characters.

Live Photos

Not listed

Rich link previews

A bare URL renders as a preview card on iMessage, built on the recipient's device.

On by default; linkPreview: false sends links as plain text.

Voice messages

PartialNative voice memo endpoint is documented, but aPI docs (22 Oct 2026) say not available yet.

voiceNote: true on an audio file. Inbound voice messages come with a transcript.

Contact cards

PartialDocs and site say lines send contact cards; no endpoint appears in the API reference.

PartialcontactCard shares the sender's own card only.

Polls

Not listed

Chat backgrounds

Not listed

Location sharing

Not listed

PartialStatic location pins only. Inbound shared locations arrive without coordinates.

iMessage apps

Not listed

Live app cards

Not listed

Sender name and photo

Not listedDocs say recipients see only the number until they save your contact card.

PartialSets the name and photo on the sender's contact card, which recipients see when they save it.

FaceTime calls

PartialFaceTime audio from the line, started by a person; $99/mo add-on. Calls API not available yet.

Not listedInbound FaceTime attempts show in the thread as call-typed messages. No calling documented.

Delivery status

message.sent, delivered, read and failed webhooks, plus a status endpoint.

message.delivered and message.failed webhooks; sends deferred for pacing show as queued.

iMessage availability check

PartialCapability lookup for up to 100 numbers is documented, but aPI docs (22 Oct 2026) say not available yet.

Not listed

Focus and Notify Anyway

Not listed

Numbers and delivery

Managed lines

Each line is an Apple ID on Apple hardware run by Blue Reacher.

Zernio orders numbers on its delivery provider's Apple-registered infrastructure.

Dedicated numbers

Every line is a dedicated number with a custom area code.

US or UK numbers, some active instantly; email-handle senders through the API.

Shared numbers

Not supportedDocs say each line is yours alone, never shared and never recycled.

Free shared sandbox line for testing: contact writes first, 5 contacts, 50 messages a day.

Bring your own number

Pricing lists port-in support for an existing number.

PartialiMessage cannot run on a number you own. A sender held with the provider can be registered.

Line pooling

Omit the line on a send and load balancing picks one; the site calls it smart routing.

Not listedOne sender per profile; docs suggest spreading contacts across senders by hand.

SMS fallback

SMS or RCS from the same number when the contact is not on iMessage.

RCS fallback

PartialSite says iMessage, then RCS, then SMS; the docs say the platform's own fallback is SMS.

SMS or RCS from the same number; the provider picks per contact.

Outbound-first messaging

Cold outreach allowed: 30 cold or 50 opted-in new contacts a day per warmed line.

One new chat per 15 minutes per sender, warm-up from 2 to 50 a day, no links in openers.

Calls on the iMessage number

PartialFaceTime audio from the same line. Phone calls need your own provider using the number as caller ID.

PartialOrdered numbers include call forwarding. Placing calls from the iMessage number is not documented.

Other channels

SMS

PartialOnly as automatic fallback from the same line.

RCS

PartialSite lists RCS fallback; the docs say messages deliver over iMessage or SMS.

Not supportedNot offered

Not supported

Slack

Not supportedNot offered as a channel; a Slack guide forwards replies into Slack.

Not supportedNot offered. Docs say there is no email-address sender option.

Not supportedNot offered as a channel. iMessage senders can use an email handle.

Phone calls

PartialDocs cover FaceTime audio only; the pricing page lists 2-way calling with SIP routing.

Inbound and outbound PSTN calls, SIP trunks, browser softphone, recording and transcription.

Apple Messages for Business

Not supportedNot offered; the site describes it as a separate Apple product.

Not supportedNot offered

Unified channel API

iMessage and SMS fallback share one send endpoint and message model.

Same inbox send call and webhooks for iMessage, SMS, WhatsApp, Telegram, Slack and social DMs.

Developer tools

REST API

TypeScript SDK

npm package bluereacher, v0.1.0 (Sept 2026), MIT.

@zernio/node

Python SDK

PyPI package bluereacher, v0.1.0 (Sept 2026), MIT.

zernio-sdk

Other SDKs

Not supportedDocs suggest generating Go, Java, Ruby or PHP clients from the OpenAPI spec.

Go, Ruby, Java, PHP, .NET and Rust.

CLI

bluereacher-cli on npm: send, status, conversations and capability checks.

Zernio CLI, including iMessage inbox sends and reactions.

Webhooks

Signed webhooks

HMAC-SHA256 in X-BlueReacher-Signature.

HMAC-SHA256 of the raw body in X-Zernio-Signature, keyed by your secret.

MCP server

Hosted MCP server at api.bluereacher.com/v1/mcp; works with sandbox keys.

Hosted at mcp.zernio.com/mcp, with OAuth sign-in or an API key.

Open source

PartialSDKs, CLI, a stdio MCP server and an n8n node are MIT on GitHub. The platform is closed.

PartialSDKs, CLI, n8n node and Chat SDK adapter are MIT or Apache-2.0. The platform is closed.

Self-hosting

Not listed

Not supportedHosted cloud service only

Local testing

Public sandbox key runs the API and MCP against a simulator, with simulated inbound replies.

Not listedThe free sandbox still needs your own phone or Apple ID.

Custom channel providers

Not listed

Event replay

PartialRetries for about a day; undelivered events are kept and support replays them on request.

7 attempts over about 51 hours, then dead-letter; any past event can be redelivered.

OpenTelemetry

Not listed

No-code integrations

Native GoHighLevel, plus Zapier, Make and n8n guides and an n8n community node.

Partialn8n, Make and Zapier guides cover posting; Make's API call module reaches any endpoint.

CRM integrations

Native HubSpot, Salesforce, Close, Pipedrive, Follow Up Boss and Jobber (beta).

HubSpot: inbox contacts and messages sync to HubSpot timelines.

Built for AI agents

Agent framework

PartialBuilt-in AI reply assistant on your own model key, with per-contact controls. No agent SDK.

PartialWorkflow engine with AI and handoff nodes; the workflow docs do not list iMessage.

Agent framework integrations

PartialGuide pages for LangChain and the Vercel AI SDK that wrap the API as a tool.

PartialVercel Chat SDK adapter (iMessage not listed) and an OpenClaw skill.

Streaming replies

Not listed

PartialChat SDK adapter streams by editing on Telegram only.

Agent group chats

Not listed

Human handoff

Pause or snooze the AI assistant per contact while a person replies.

PartialDashboard inbox and workflow handoff nodes; no iMessage-specific handoff documented.

Audit logs

PartialDocs mention an exportable opt-out audit trail; no general activity log is documented.

Append-only log of team-management actions; Enterprise adds broader audit logs.

Message history API

Conversation history per contact, cursor-paginated.

Plans and compliance

Free plan

Free public sandbox key; simulator only, no real messages sent.

First 2 connected accounts free; free iMessage sandbox (5 contacts, 50 messages a day).

Public pricing

$200 per iMessage sender per month, plus the connected-account fee.

No per-message fees

PartialiMessage pages say no per-message fee; an outbound meter of $1 per 10,000 after 10,000 starts Oct 2026.

Uptime SLA

Not listed

Not listedSite states 99.97% uptime; no contractual SLA found.

Isolated infrastructure

Dedicated lines per customer, never shared; workspaces logically isolated.

Not listed

SOC 2 Type II

Not supportedTrust page says controls map to SOC 2 but the independent attestation is not complete.

SOC 2 Type II report in the trust portal, by access request.

GDPR

GDPR page and a published DPA with Standard Contractual Clauses.

GDPR documentation in the trust portal; public DPA.

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

Blue Reacher vs Zernio

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

Blue Reacher

Zernio

Where Blue Reacher is ahead

Where Zernio is ahead

Feature comparison

Pricing

Blue Reacher

Zernio

Which should you choose?

Frequently asked questions

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