What is the difference between Blooio and Comms by Osis?

Blooio supports 60 of the 77 features compared here, and Comms by Osis supports 43. Blooio adds message effects, formatted text, rich link previews, voice messages and iMessage apps. Comms by Osis adds edit and unsend and contact cards.

How much do Blooio and Comms by Osis cost?

Blooio: A free trial with 20 messages, shared plans at $39 and $89 a month, Commercial Dedicated at $289 a month per line, an Inbound plan at $98 a month, and Enterprise Dedicated from $195 a month per line at 6+ lines. Comms by Osis: Free on a shared line with 100 messages a day, Plus at $50 a month on a shared line, Dedicated at $200 a month per number with $0 setup, and custom Enterprise; AI usage is billed separately.

Does Comms by Osis support message effects?

Comms by Osis does not list message effects on its site or in its docs.

Does Comms by Osis support formatted text?

Comms by Osis does not list formatted text on its site or in its docs.

Does Comms by Osis support rich link previews?

Comms by Osis does not list rich link previews on its site or in its docs.

Blooio vs Comms by Osis

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

Blooio

One API for iMessage, WhatsApp and Apple Messages

Starting price: $39/month (Starter, shared number)
Free plan: Free trial: 20 messages total on a shared number, no credit card

Visit Blooio Read more

Comms by Osis

iMessage, RCS, SMS and WhatsApp API with hosted agents

Starting price: $50/month (shared line); $200/month per dedicated number
Free plan: Free: shared platform line, 100 messages a day, no card

Visit Comms by Osis Read more

Blooio supports 60 of the 77 features compared here, and Comms by Osis supports 43.

Where Blooio is ahead

and 11 more in the table below.

Where Comms by Osis is ahead

Feature comparison

Feature	Blooio	Comms by Osis
iMessage messaging
iMessage	Supported	Supported
Group chats	Supported	SupportedGroups of 2 to 31 people from a dedicated line with group support. Not on the shared line.
Group management	PartialCreate groups by API. Adding or removing members is marked coming soon (returns 501).	PartialCreate a group with its first message; adding or removing members is not documented.
Group name and photo	SupportedRename groups and set or remove group icons.	PartialName a group when you create it; group photos and renames are not documented.
Mentions	Not listedA guide index lists mentions, but no mention field is documented.	Not listed
Tapbacks	SupportedAdd or remove tapbacks on any message; inbound reactions arrive as message.reaction events.	SupportedClassic tapbacks or custom emoji, add, replace or remove; reaction webhooks for inbound.
Threaded replies	Supportedreply_to on sends.	Supportedreply_to_message_id replies inside an iMessage thread; text only.
Typing indicators	SupportedSend, and receive typing.started and typing.stopped events.	SupportedShow or hide typing dots on iMessage, RCS and WhatsApp.
Read receipts	SupportedMark chats read and receive message.read events.	SupportedMark a conversation read to send a receipt; comms.message.read for one-to-one chats.
Edit and unsend	Not listed	PartialUnsend within Apple's 2-minute window on supported lines. No edit endpoint; inbound edits fire events.
Message effects	Supportedeffect field on text sends.	Not listed
Animated text effects	Not listed	Not listed
Stickers	Not listed	Not listed
Formatted text	SupportedMarkdown bold, italic, underline and strikethrough sent as iMessage rich text.	Not listed
Attachments	Supported	SupportedUp to 32 files and 9 MiB per message, sent as base64.
Live Photos	Not listed	Not listed
Rich link previews	Supportedrich_link bubbles with image and title overrides.	Not listed
Voice messages	SupportedA single audio file is sent as a native voice memo.	Not listedVoice notes are documented for WhatsApp only.
Contact cards	Not listedAttachments accept other files, but .vcf is not named. Name and Photo cards are documented.	SupportedSend a vCard over iMessage, SMS or WhatsApp.
Polls	SupportedSend, vote and read results, with poll webhooks.	Supported2 to 12 options; votes arrive as comms.poll.voted. Tap to vote on iOS 26 and later.
Chat backgrounds	SupportedImage backgrounds only.	BetaExperimental: photo or gradient backgrounds on lines that support them.
Location sharing	PartialReads Find My locations of contacts already sharing. Location access is provisioned on request.	PartialRead locations that contacts choose to share, with update webhooks; the API cannot request a share.
iMessage apps	SupportedCustom bubbles for your own iMessage app extension, sent and received.	Not listed
Live app cards	Not supportedDocs say a send cannot continue an app session; each bubble starts a new one.	Not listed
Sender name and photo	SupportedSet name and avatar per number and share the card into a chat.	SupportedContact card API sets name and photo, with native name and photo sharing on supported lines.
FaceTime calls	PartialOn request for dedicated lines. Docs say the FaceTime API is disabled for now (returns 501).	PartialAnswer inbound FaceTime audio and video calls by API and stream audio; outbound calls not documented.
Delivery status	Supported	Supportedsent, delivered and read events, plus a list of delivery attempts.
iMessage availability check	SupportedLive per-number iMessage, SMS and RCS capability lookup.	SupportedChecks iMessage, RCS and WhatsApp for a phone number, or iMessage for an email.
Focus and Notify Anyway	SupportedRead a contact's Focus status and send Notify Anyway. Direct chats only.	Not listed
Numbers and delivery
Managed lines	SupportedPre-warmed numbers claimed self-serve from the dashboard.	SupportedHosted lines; no Mac to run.
Dedicated numbers	Supported	SupportedDedicated plan: $200 a month per number.
Shared numbers	SupportedStarter and Commercial Shared use managed shared pools.	SupportedFree and Plus plans run on a shared platform line.
Bring your own number	PartialiMessage only by porting on dedicated plans. Your own Twilio number can carry SMS.	SupportedPort an existing number to a dedicated line; needs approval and a supported number.
Line pooling	SupportedNumber pools and channel priorities; a contact keeps one number in a pool.	Not listed
SMS fallback	Supported	SupportedAuto routing falls back to SMS only after a clear rejection.
RCS fallback	Supported	PartialAuto routing tries RCS for plain text on supported dedicated lines with carrier enablement.
Outbound-first messaging	SupportedShared plans cap new conversations per day. Inbound plan is reply-only.	SupportedDedicated lines can start conversations.
Calls on the iMessage number	SupportedVoice calling and call forwarding on Commercial and Enterprise Dedicated lines.	PartialInbound phone and FaceTime calls to the line can be answered by API; outbound is not documented.
Other channels
SMS	SupportedFrom the iMessage line, or through your own Twilio account.	SupportedChoose sms explicitly or let auto routing fall back to it.
RCS	SupportedRCS fallback on numbers, plus an RCS for Business channel type.	PartialOne plain-text message to one number, on supported dedicated lines with carrier enablement.
WhatsApp	SupportedWhatsApp Business Platform (Cloud API) on the v4 API.	SupportedSends from the number's WhatsApp Business account when WhatsApp is turned on for it.
Telegram	Not supportedNot offered	Not supportedNot offered
Slack	Not supported	Not supported
Email	Not supportedNot offered. iMessage can be sent to email handles.	Not supportedNot offered as a channel; the capability check accepts Apple ID emails for iMessage.
Phone calls	PartialVoice calling and forwarding on dedicated plans. No calling API documented.	PartialInbound cellular calls can be answered by API, but audio relay works only for FaceTime for now.
Apple Messages for Business	SupportedBlooio says it is an official Apple Messages for Business MSP.	Not supportedNot offered; the site says Comms is distinct from Apple Messages for Business.
Unified channel API	Supportedv4 API covers iMessage, SMS, RCS, WhatsApp and Apple Messages for Business.	SupportedOne send endpoint and message model for iMessage, RCS, WhatsApp and SMS.
Developer tools
REST API	Supported	Supported
TypeScript SDK	Supported@blooio/sdk	Not listedOnly a runnable Node.js example is published.
Python SDK	Supportedblooio on PyPI.	Not listed
Other SDKs	SupportedGo and Java SDKs.	Not listed
CLI	Not listed	Not listed
Webhooks	Supported	Supported
Signed webhooks	SupportedHMAC-SHA256 with timestamp, rotatable secrets and delivery replay.	SupportedHMAC-SHA256 in X-Osis-Signature.
MCP server	SupportedHosted at mcp.blooio.com/v4.	SupportedHosted MCP server with OAuth or a scoped API key.
Open source	PartialSDKs are Apache-2.0 on GitHub. The messaging platform is closed.	Not listed
Self-hosting	Not supportedBlooio says it is not a self-hosted iMessage relay.	Not listed
Local testing	Not listed	Not listed
Custom channel providers	PartialYour own Twilio account can be added as an SMS channel under the same API.	Not listed
Event replay	SupportedWebhook delivery logs with replay, plus an events feed to list past events.	PartialUp to six delivery retries and a delivery attempts list; no replay endpoint is documented.
OpenTelemetry	Not listed	Not listed
No-code integrations	SupportedGoHighLevel, n8n, Make, Zapier and IFTTT.	BetaHighLevel connector is a development preview; Marketplace approval is pending.
CRM integrations	SupportedGoHighLevel and HubSpot.	Not listed
Built for AI agents
Agent framework	PartialNo own framework. Community Chat SDK adapter, plus plugins for Hermes Agent and eve.	SupportedHosted agents with instructions, knowledge, handoff and MCP tool connections.
Agent framework integrations	SupportedBlooio publishes Hermes Agent and eve channel plugins. The Chat SDK adapter is a community package.	Not listed
Streaming replies	Not listed	Not listed
Agent group chats	Not listed	Not listed
Human handoff	PartialHandoff webhook events, documented for Apple Messages for Business chats.	SupportedHandoff controls pause the hosted agent while a person replies in the team inbox.
Audit logs	PartialLists audit logging among internal security controls. No customer audit log documented.	Not listed
Message history API	SupportedRetention runs 90 days to unlimited depending on plan.	SupportedList messages and conversations on your lines.
Plans and compliance
Free plan	PartialFree trial is 20 messages total on a shared number. Apple Messages for Business has a free sandbox.	SupportedFree: shared platform line, 100 messages a day, no card.
Public pricing	SupportedNumber plans from $39/mo. Apple Messages for Business is custom, per monthly active user.	Supported
No per-message fees	SupportedNumber plans are flat. Apple Messages for Business is billed per monthly active user.	SupportedFlat plans; AI usage and answered call minutes are billed separately.
Uptime SLA	SupportedContractual SLA with a signed Enterprise Order Form; 99.9% uptime target	Not listed
Isolated infrastructure	PartialDedicated numbers are isolated to your workspace. No per-customer servers or devices described.	Not listed
SOC 2 Type II	Not supportedTrust Center lists SOC 2 Type 1 and Type 2 as in progress.	Not listed
GDPR	SupportedTrust Center marks GDPR as passing.	Not listedThe privacy policy mentions GDPR rights; no DPA was found.

Feature

Blooio

Comms by Osis

iMessage messaging

iMessage

Group chats

Groups of 2 to 31 people from a dedicated line with group support. Not on the shared line.

Group management

PartialCreate groups by API. Adding or removing members is marked coming soon (returns 501).

PartialCreate a group with its first message; adding or removing members is not documented.

Group name and photo

Rename groups and set or remove group icons.

PartialName a group when you create it; group photos and renames are not documented.

Mentions

Not listedA guide index lists mentions, but no mention field is documented.

Not listed

Tapbacks

Add or remove tapbacks on any message; inbound reactions arrive as message.reaction events.

Classic tapbacks or custom emoji, add, replace or remove; reaction webhooks for inbound.

Threaded replies

reply_to on sends.

reply_to_message_id replies inside an iMessage thread; text only.

Typing indicators

Send, and receive typing.started and typing.stopped events.

Show or hide typing dots on iMessage, RCS and WhatsApp.

Read receipts

Mark chats read and receive message.read events.

Mark a conversation read to send a receipt; comms.message.read for one-to-one chats.

Edit and unsend

Not listed

PartialUnsend within Apple's 2-minute window on supported lines. No edit endpoint; inbound edits fire events.

Message effects

effect field on text sends.

Not listed

Animated text effects

Not listed

Stickers

Not listed

Formatted text

Markdown bold, italic, underline and strikethrough sent as iMessage rich text.

Not listed

Attachments

Up to 32 files and 9 MiB per message, sent as base64.

Live Photos

Not listed

Rich link previews

rich_link bubbles with image and title overrides.

Not listed

Voice messages

A single audio file is sent as a native voice memo.

Not listedVoice notes are documented for WhatsApp only.

Contact cards

Not listedAttachments accept other files, but .vcf is not named. Name and Photo cards are documented.

Send a vCard over iMessage, SMS or WhatsApp.

Polls

Send, vote and read results, with poll webhooks.

2 to 12 options; votes arrive as comms.poll.voted. Tap to vote on iOS 26 and later.

Chat backgrounds

Image backgrounds only.

BetaExperimental: photo or gradient backgrounds on lines that support them.

Location sharing

PartialReads Find My locations of contacts already sharing. Location access is provisioned on request.

PartialRead locations that contacts choose to share, with update webhooks; the API cannot request a share.

iMessage apps

Custom bubbles for your own iMessage app extension, sent and received.

Not listed

Live app cards

Not supportedDocs say a send cannot continue an app session; each bubble starts a new one.

Not listed

Sender name and photo

Set name and avatar per number and share the card into a chat.

Contact card API sets name and photo, with native name and photo sharing on supported lines.

FaceTime calls

PartialOn request for dedicated lines. Docs say the FaceTime API is disabled for now (returns 501).

PartialAnswer inbound FaceTime audio and video calls by API and stream audio; outbound calls not documented.

Delivery status

sent, delivered and read events, plus a list of delivery attempts.

iMessage availability check

Live per-number iMessage, SMS and RCS capability lookup.

Checks iMessage, RCS and WhatsApp for a phone number, or iMessage for an email.

Focus and Notify Anyway

Read a contact's Focus status and send Notify Anyway. Direct chats only.

Not listed

Numbers and delivery

Managed lines

Pre-warmed numbers claimed self-serve from the dashboard.

Hosted lines; no Mac to run.

Dedicated numbers

Dedicated plan: $200 a month per number.

Shared numbers

Starter and Commercial Shared use managed shared pools.

Free and Plus plans run on a shared platform line.

Bring your own number

PartialiMessage only by porting on dedicated plans. Your own Twilio number can carry SMS.

Port an existing number to a dedicated line; needs approval and a supported number.

Line pooling

Number pools and channel priorities; a contact keeps one number in a pool.

Not listed

SMS fallback

Auto routing falls back to SMS only after a clear rejection.

RCS fallback

PartialAuto routing tries RCS for plain text on supported dedicated lines with carrier enablement.

Outbound-first messaging

Shared plans cap new conversations per day. Inbound plan is reply-only.

Dedicated lines can start conversations.

Calls on the iMessage number

Voice calling and call forwarding on Commercial and Enterprise Dedicated lines.

PartialInbound phone and FaceTime calls to the line can be answered by API; outbound is not documented.

Other channels

SMS

From the iMessage line, or through your own Twilio account.

Choose sms explicitly or let auto routing fall back to it.

RCS

RCS fallback on numbers, plus an RCS for Business channel type.

PartialOne plain-text message to one number, on supported dedicated lines with carrier enablement.

WhatsApp Business Platform (Cloud API) on the v4 API.

Sends from the number's WhatsApp Business account when WhatsApp is turned on for it.

Not supportedNot offered

Slack

Not supported

Not supportedNot offered. iMessage can be sent to email handles.

Not supportedNot offered as a channel; the capability check accepts Apple ID emails for iMessage.

Phone calls

PartialVoice calling and forwarding on dedicated plans. No calling API documented.

PartialInbound cellular calls can be answered by API, but audio relay works only for FaceTime for now.

Apple Messages for Business

Blooio says it is an official Apple Messages for Business MSP.

Not supportedNot offered; the site says Comms is distinct from Apple Messages for Business.

Unified channel API

v4 API covers iMessage, SMS, RCS, WhatsApp and Apple Messages for Business.

One send endpoint and message model for iMessage, RCS, WhatsApp and SMS.

Developer tools

REST API

TypeScript SDK

@blooio/sdk

Not listedOnly a runnable Node.js example is published.

Python SDK

blooio on PyPI.

Not listed

Other SDKs

Go and Java SDKs.

Not listed

CLI

Not listed

Webhooks

Signed webhooks

HMAC-SHA256 with timestamp, rotatable secrets and delivery replay.

HMAC-SHA256 in X-Osis-Signature.

MCP server

Hosted at mcp.blooio.com/v4.

Hosted MCP server with OAuth or a scoped API key.

Open source

PartialSDKs are Apache-2.0 on GitHub. The messaging platform is closed.

Not listed

Self-hosting

Not supportedBlooio says it is not a self-hosted iMessage relay.

Not listed

Local testing

Not listed

Custom channel providers

PartialYour own Twilio account can be added as an SMS channel under the same API.

Not listed

Event replay

Webhook delivery logs with replay, plus an events feed to list past events.

PartialUp to six delivery retries and a delivery attempts list; no replay endpoint is documented.

OpenTelemetry

Not listed

No-code integrations

GoHighLevel, n8n, Make, Zapier and IFTTT.

BetaHighLevel connector is a development preview; Marketplace approval is pending.

CRM integrations

GoHighLevel and HubSpot.

Not listed

Built for AI agents

Agent framework

PartialNo own framework. Community Chat SDK adapter, plus plugins for Hermes Agent and eve.

Hosted agents with instructions, knowledge, handoff and MCP tool connections.

Agent framework integrations

Blooio publishes Hermes Agent and eve channel plugins. The Chat SDK adapter is a community package.

Not listed

Streaming replies

Not listed

Agent group chats

Not listed

Human handoff

PartialHandoff webhook events, documented for Apple Messages for Business chats.

Handoff controls pause the hosted agent while a person replies in the team inbox.

Audit logs

PartialLists audit logging among internal security controls. No customer audit log documented.

Not listed

Message history API

Retention runs 90 days to unlimited depending on plan.

List messages and conversations on your lines.

Plans and compliance

Free plan

PartialFree trial is 20 messages total on a shared number. Apple Messages for Business has a free sandbox.

Free: shared platform line, 100 messages a day, no card.

Public pricing

Number plans from $39/mo. Apple Messages for Business is custom, per monthly active user.

No per-message fees

Number plans are flat. Apple Messages for Business is billed per monthly active user.

Flat plans; AI usage and answered call minutes are billed separately.

Uptime SLA

Contractual SLA with a signed Enterprise Order Form; 99.9% uptime target

Not listed

Isolated infrastructure

PartialDedicated numbers are isolated to your workspace. No per-customer servers or devices described.

Not listed

SOC 2 Type II

Not supportedTrust Center lists SOC 2 Type 1 and Type 2 as in progress.

Not listed

GDPR

Trust Center marks GDPR as passing.

Not listedThe privacy policy mentions GDPR rights; no DPA was found.

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

Pricing

Blooio

A free trial with 20 messages, shared plans at $39 and $89 a month, Commercial Dedicated at $289 a month per line, an Inbound plan at $98 a month, and Enterprise Dedicated from $195 a month per line at 6+ lines.

Pricing model: flat per line, no per-message fees

Source

Comms by Osis

Free on a shared line with 100 messages a day, Plus at $50 a month on a shared line, Dedicated at $200 a month per number with $0 setup, and custom Enterprise; AI usage is billed separately.

Pricing model: flat monthly per plan or dedicated line; AI usage and call minutes extra

Source