What is the difference between Comms by Osis and Tuco AI?

Comms by Osis supports 43 of the 77 features compared here, and Tuco AI supports 41. Comms by Osis adds group chats, group management, group name and photo, threaded replies and edit and unsend. Tuco AI adds voice messages, line pooling, Telegram, Slack and email.

Does Tuco AI support group chats?

Tuco AI does not support group chats.

Does Tuco AI support group management?

Tuco AI does not support group management.

Does Tuco AI support group name and photo?

Tuco AI does not support group name and photo.

Comms by Osis vs Tuco AI

Q: How much do Comms by Osis and Tuco AI cost?

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. Tuco AI: Starter is $149 a month for 1 line and Growth $299 a month for 2 lines, each with a one-time $335 setup fee per line and no per-message fees.

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

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

Tuco AI

iMessage follow-up for opted-in leads from your CRM

Starting price: $149/month (Starter, 1 line) plus $335 setup
Free plan: None; docs say no free trials or refunds

Visit Tuco AI Read more

Comms by Osis supports 43 of the 77 features compared here, and Tuco AI supports 41.

Where Comms by Osis is ahead

and 6 more in the table below.

Where Tuco AI is ahead

and 4 more in the table below.

Feature comparison

Feature	Comms by Osis	Tuco AI
iMessage messaging
iMessage	Supported	Supported
Group chats	SupportedGroups of 2 to 31 people from a dedicated line with group support. Not on the shared line.	Not supportedTuco's llms.txt says it has no group chats.
Group management	PartialCreate a group with its first message; adding or removing members is not documented.	Not supportedNo group chat support
Group name and photo	PartialName a group when you create it; group photos and renames are not documented.	Not supported
Mentions	Not listed	Not supported
Tapbacks	SupportedClassic tapbacks or custom emoji, add, replace or remove; reaction webhooks for inbound.	SupportedSend six classic tapbacks by API; inbound reactions, including custom emoji, arrive as message.reaction.
Threaded replies	Supportedreply_to_message_id replies inside an iMessage thread; text only.	Not listed
Typing indicators	SupportedShow or hide typing dots on iMessage, RCS and WhatsApp.	PartialStart and stop typing by API, best effort. Inbound typing events not documented.
Read receipts	SupportedMark a conversation read to send a receipt; comms.message.read for one-to-one chats.	Supportedmessage.opened webhook with readAt when the recipient has read receipts on.
Edit and unsend	PartialUnsend within Apple's 2-minute window on supported lines. No edit endpoint; inbound edits fire events.	Not listed
Message effects	Not listed	Not listed
Animated text effects	Not listed	Not listed
Stickers	Not listed	Not listed
Formatted text	Not listed	Not listed
Attachments	SupportedUp to 32 files and 9 MiB per message, sent as base64.	SupportedUp to 2 files per message, 25 MB each. Not allowed on the first message to a contact.
Live Photos	Not listed	Not listed
Rich link previews	Not listed	Not listed
Voice messages	Not listedVoice notes are documented for WhatsApp only.	SupportedvoiceNote sends one audio file as a native voice note bubble.
Contact cards	SupportedSend a vCard over iMessage, SMS or WhatsApp.	Not listed
Polls	Supported2 to 12 options; votes arrive as comms.poll.voted. Tap to vote on iOS 26 and later.	Not listed
Chat backgrounds	BetaExperimental: photo or gradient backgrounds on lines that support them.	Not listed
Location sharing	PartialRead locations that contacts choose to share, with update webhooks; the API cannot request a share.	Not listed
iMessage apps	Not listed	Not listed
Live app cards	Not listed	Not listed
Sender name and photo	SupportedContact card API sets name and photo, with native name and photo sharing on supported lines.	PartialLine name and photo are set by Tuco staff, at most 3 changes per line per month.
FaceTime calls	PartialAnswer inbound FaceTime audio and video calls by API and stream audio; outbound calls not documented.	PartialFaceTime Audio calls as a $100/month per-line add-on. Tuco's llms.txt says it has no FaceTime.
Delivery status	Supportedsent, delivered and read events, plus a list of delivery attempts.	Supportedqueued, sent, delivered, failed and fallback statuses, with sent, failed and fallback webhooks.
iMessage availability check	SupportedChecks iMessage, RCS and WhatsApp for a phone number, or iMessage for an email.	SupportedSingle, round-robin and bulk checks, about 70 per line per day.
Focus and Notify Anyway	Not listed	Not listed
Numbers and delivery
Managed lines	SupportedHosted lines; no Mac to run.	SupportedEach line is a real iPhone with an eSIM that Tuco hosts. About 48 hours to activate.
Dedicated numbers	SupportedDedicated plan: $200 a month per number.	SupportedOne Apple identity per line. Lines can be ordered by API.
Shared numbers	SupportedFree and Plus plans run on a shared platform line.	Not listed
Bring your own number	SupportedPort an existing number to a dedicated line; needs approval and a supported number.	PartialDocs say existing numbers cannot be ported in, but a Linq migration page offers to port Linq numbers.
Line pooling	Not listed	SupportedSends without fromLineId round-robin across active lines.
SMS fallback	SupportedAuto routing falls back to SMS only after a clear rejection.	PartialThrough your Twilio, GoHighLevel or webhook provider, or P2P SMS from the line once support enables it.
RCS fallback	PartialAuto routing tries RCS for plain text on supported dedicated lines with carrier enablement.	Not supportedRCS not offered
Outbound-first messaging	SupportedDedicated lines can start conversations.	SupportedOutbound to opted-in contacts. Cold lists are refused, and first messages cannot carry links or files.
Calls on the iMessage number	PartialInbound phone and FaceTime calls to the line can be answered by API; outbound is not documented.	SupportedCalls go out from the same number the line texts from. 500 minutes per line per month included.
Other channels
SMS	SupportedChoose sms explicitly or let auto routing fall back to it.	PartialSMS through your own Twilio, GHL or webhook provider, or P2P SMS from the line in its eSIM country.
RCS	PartialOne plain-text message to one number, on supported dedicated lines with carrier enablement.	Not supportedNot offered
WhatsApp	SupportedSends from the number's WhatsApp Business account when WhatsApp is turned on for it.	Not supported
Telegram	Not supportedNot offered	PartialTelegram bot for team notifications and replies. Leads are not messaged on Telegram.
Slack	Not supported	PartialLead conversations appear as Slack threads the team can reply from. Not a channel to contacts.
Email	Not supportedNot offered as a channel; the capability check accepts Apple ID emails for iMessage.	SupportedmessageType email sends email, and an email bridge sends iMessages from your inbox.
Phone calls	PartialInbound cellular calls can be answered by API, but audio relay works only for FaceTime for now.	SupportedOutbound calls with recording, inbound forwarding and a click-to-call API (beta, +1 numbers only).
Apple Messages for Business	Not supportedNot offered; the site says Comms is distinct from Apple Messages for Business.	Not supportedNot offered
Unified channel API	SupportedOne send endpoint and message model for iMessage, RCS, WhatsApp and SMS.	SupportedOne send endpoint with messageType imessage, sms or email.
Developer tools
REST API	Supported	Supported
TypeScript SDK	Not listedOnly a runnable Node.js example is published.	Not listedThe iMessage API page shows npm install @tuco-ai/sdk, but no such package is on npm.
Python SDK	Not listed	Not listed
Other SDKs	Not listed	Not listed
CLI	Not listed	Not listed
Webhooks	Supported	SupportedSent, failed, fallback, opened, reply, reaction, AI draft, handover, call recording and DNC events.
Signed webhooks	SupportedHMAC-SHA256 in X-Osis-Signature.	SupportedHMAC-SHA256 in the X-Tuco-Signature header.
MCP server	SupportedHosted MCP server with OAuth or a scoped API key.	Supportedtuco-mcp on npm, run locally with an API key, with about 90 tools.
Open source	Not listed	Partialtuco-mcp is MIT licensed on npm. The platform is closed.
Self-hosting	Not listed	Not listedHosted on Tuco hardware. Self-hosting is not mentioned.
Local testing	Not listed	PartialSimulate runs a goal bot against a transcript without sending. Message sends have no sandbox.
Custom channel providers	Not listed	PartialSMS fallback can route through your Twilio, GoHighLevel or a custom webhook.
Event replay	PartialUp to six delivery retries and a delivery attempts list; no replay endpoint is documented.	Supported30-day webhook delivery log with replay from the dashboard or API, plus one automatic retry.
OpenTelemetry	Not listed	Not listed
No-code integrations	BetaHighLevel connector is a development preview; Marketplace approval is pending.	SupportedGoHighLevel, n8n, Zapier and Make.com.
CRM integrations	Not listed	SupportedHubSpot, Salesforce, Close and Pipedrive. One CRM per workspace.
Built for AI agents
Agent framework	SupportedHosted agents with instructions, knowledge, handoff and MCP tool connections.	SupportedHosted goal bots and Knowledge Base replies with tools, in copilot or autopilot mode.
Agent framework integrations	Not listed	Not listed
Streaming replies	Not listed	Not listed
Agent group chats	Not listed	Not supportedNo group chat support
Human handoff	SupportedHandoff controls pause the hosted agent while a person replies in the team inbox.	SupportedCopilot drafts need approval, and conversation.handover fires when the AI stops for a person.
Audit logs	Not listed	SupportedActivity log of workspace changes, including MCP tool calls.
Message history API	SupportedList messages and conversations on your lines.	SupportedMessage history, conversations and replies endpoints.
Plans and compliance
Free plan	SupportedFree: shared platform line, 100 messages a day, no card.	Not supportedDocs say there are no free trials, paid pilots or refunds.
Public pricing	Supported	SupportedStarter $149/month, Growth $299/month, plus $335 setup per line.
No per-message fees	SupportedFlat plans; AI usage and answered call minutes are billed separately.	SupportedNo per-message fees. AI credits and extra call minutes are billed separately.
Uptime SLA	Not listed	Not listedGrowth lists a 4-hour support SLA. No uptime SLA found.
Isolated infrastructure	Not listed	SupportedEach line runs on its own iPhone and Apple ID on dedicated Mac hardware, with no VMs.
SOC 2 Type II	Not listed	Not supportedSecurity page says Tuco does not hold SOC 2.
GDPR	Not listedThe privacy policy mentions GDPR rights; no DPA was found.	SupportedGDPR page with data rights and Standard Contractual Clauses. DPA availability listed.

Feature

Comms by Osis

Tuco AI

iMessage messaging

iMessage

Group chats

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

Not supportedTuco's llms.txt says it has no group chats.

Group management

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

Not supportedNo group chat support

Group name and photo

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

Not supported

Mentions

Not listed

Not supported

Tapbacks

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

Send six classic tapbacks by API; inbound reactions, including custom emoji, arrive as message.reaction.

Threaded replies

reply_to_message_id replies inside an iMessage thread; text only.

Not listed

Typing indicators

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

PartialStart and stop typing by API, best effort. Inbound typing events not documented.

Read receipts

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

message.opened webhook with readAt when the recipient has read receipts on.

Edit and unsend

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

Not listed

Message effects

Not listed

Animated text effects

Not listed

Stickers

Not listed

Formatted text

Not listed

Attachments

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

Up to 2 files per message, 25 MB each. Not allowed on the first message to a contact.

Live Photos

Not listed

Rich link previews

Not listed

Voice messages

Not listedVoice notes are documented for WhatsApp only.

voiceNote sends one audio file as a native voice note bubble.

Contact cards

Send a vCard over iMessage, SMS or WhatsApp.

Not listed

Polls

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

Not listed

Chat backgrounds

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

Not listed

Location sharing

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

Not listed

iMessage apps

Not listed

Live app cards

Not listed

Sender name and photo

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

PartialLine name and photo are set by Tuco staff, at most 3 changes per line per month.

FaceTime calls

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

PartialFaceTime Audio calls as a $100/month per-line add-on. Tuco's llms.txt says it has no FaceTime.

Delivery status

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

queued, sent, delivered, failed and fallback statuses, with sent, failed and fallback webhooks.

iMessage availability check

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

Single, round-robin and bulk checks, about 70 per line per day.

Focus and Notify Anyway

Not listed

Numbers and delivery

Managed lines

Hosted lines; no Mac to run.

Each line is a real iPhone with an eSIM that Tuco hosts. About 48 hours to activate.

Dedicated numbers

Dedicated plan: $200 a month per number.

One Apple identity per line. Lines can be ordered by API.

Shared numbers

Free and Plus plans run on a shared platform line.

Not listed

Bring your own number

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

PartialDocs say existing numbers cannot be ported in, but a Linq migration page offers to port Linq numbers.

Line pooling

Not listed

Sends without fromLineId round-robin across active lines.

SMS fallback

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

PartialThrough your Twilio, GoHighLevel or webhook provider, or P2P SMS from the line once support enables it.

RCS fallback

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

Not supportedRCS not offered

Outbound-first messaging

Dedicated lines can start conversations.

Outbound to opted-in contacts. Cold lists are refused, and first messages cannot carry links or files.

Calls on the iMessage number

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

Calls go out from the same number the line texts from. 500 minutes per line per month included.

Other channels

SMS

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

PartialSMS through your own Twilio, GHL or webhook provider, or P2P SMS from the line in its eSIM country.

RCS

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

Not supportedNot offered

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

Not supported

Not supportedNot offered

PartialTelegram bot for team notifications and replies. Leads are not messaged on Telegram.

Slack

Not supported

PartialLead conversations appear as Slack threads the team can reply from. Not a channel to contacts.

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

messageType email sends email, and an email bridge sends iMessages from your inbox.

Phone calls

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

Outbound calls with recording, inbound forwarding and a click-to-call API (beta, +1 numbers only).

Apple Messages for Business

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

Not supportedNot offered

Unified channel API

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

One send endpoint with messageType imessage, sms or email.

Developer tools

REST API

TypeScript SDK

Not listedOnly a runnable Node.js example is published.

Not listedThe iMessage API page shows npm install @tuco-ai/sdk, but no such package is on npm.

Not listed

Not listed

Not listed

Sent, failed, fallback, opened, reply, reaction, AI draft, handover, call recording and DNC events.

Signed webhooks

HMAC-SHA256 in X-Osis-Signature.

HMAC-SHA256 in the X-Tuco-Signature header.

MCP server

Hosted MCP server with OAuth or a scoped API key.

tuco-mcp on npm, run locally with an API key, with about 90 tools.

Open source

Not listed

Partialtuco-mcp is MIT licensed on npm. The platform is closed.

Self-hosting

Not listed

Not listedHosted on Tuco hardware. Self-hosting is not mentioned.

Local testing

Not listed

PartialSimulate runs a goal bot against a transcript without sending. Message sends have no sandbox.

Custom channel providers

Not listed

PartialSMS fallback can route through your Twilio, GoHighLevel or a custom webhook.

Event replay

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

30-day webhook delivery log with replay from the dashboard or API, plus one automatic retry.

OpenTelemetry

Not listed

No-code integrations

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

GoHighLevel, n8n, Zapier and Make.com.

CRM integrations

Not listed

HubSpot, Salesforce, Close and Pipedrive. One CRM per workspace.

Built for AI agents

Agent framework

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

Hosted goal bots and Knowledge Base replies with tools, in copilot or autopilot mode.

Agent framework integrations

Not listed

Streaming replies

Not listed

Agent group chats

Not listed

Not supportedNo group chat support

Human handoff

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

Copilot drafts need approval, and conversation.handover fires when the AI stops for a person.

Audit logs

Not listed

Activity log of workspace changes, including MCP tool calls.

Message history API

List messages and conversations on your lines.

Message history, conversations and replies endpoints.

Plans and compliance

Free plan

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

Not supportedDocs say there are no free trials, paid pilots or refunds.

Public pricing

Starter $149/month, Growth $299/month, plus $335 setup per line.

No per-message fees

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

No per-message fees. AI credits and extra call minutes are billed separately.

Uptime SLA

Not listed

Not listedGrowth lists a 4-hour support SLA. No uptime SLA found.

Isolated infrastructure

Not listed

Each line runs on its own iPhone and Apple ID on dedicated Mac hardware, with no VMs.

SOC 2 Type II

Not listed

Not supportedSecurity page says Tuco does not hold SOC 2.

GDPR

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

GDPR page with data rights and Standard Contractual Clauses. DPA availability listed.

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

Pricing

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