Linq Alternatives with RCS fallback

21 providers support RCS fallback: automatic RCS fallback when iMessage is unavailable.

Providers with RCS fallback

Photon

Open-source agent framework with managed iMessage
Starting price
$25/month (Pro)
Free plan
Free: shared iMessage lines, up to 10 users (2.0 beta: 25 shared iMessage assignments and $100 credit)
SupportedOn every plan per pricing; carrier rules apply to fallback traffic

Linq

iMessage, RCS and SMS API with flat monthly pricing
Starting price
$260/month (Pro)
Free plan
Hobby: $0, up to 20 contacts, used through the CLI
SupportedOrder is iMessage, then RCS, then SMS.

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
Supported

Sendblue

iMessage API and CRM texting for sales and agents
Starting price
$100/month per line
Free plan
Free sandbox: shared number, up to 10 verified contacts, no webhooks
SupportediMessage, then RCS, then SMS. RCS on V2 lines.

Zernio

One API for iMessage, SMS, WhatsApp, social DMs and calls
Starting price
$200/month per iMessage sender
Free plan
First 2 connected accounts free; free iMessage sandbox on a shared line
SupportedSMS or RCS from the same number; the provider picks per contact.

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

Blue Reacher

Managed iMessage lines for B2B sales, with API and MCP
Starting price
$199/month per line at 4+ lines; $249/month for 1 to 3 lines
Free plan
Free public sandbox key; simulator only, no real sends
PartialSite says iMessage, then RCS, then SMS; the docs say the platform's own fallback is SMS.

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

Inkbox

Email, phone, iMessage and A2A identity for AI agents
Starting price
$25/month (Developer); $167/month for a dedicated iMessage number (Startup)
Free plan
Free: 3 identities, shared iMessage up to 2,000 messages a month and 3 recipients at a time
PartialDocs describe SMS fallback, and the service field can report rcs. The transport cannot be chosen.

AgentPhone

Phone numbers with voice, SMS and iMessage for AI agents
Starting price
$3/month per number plus usage; iMessage from $150/month per line
Free plan
$5 starting credit, no card required
SupportediMessage-capable numbers deliver over RCS or SMS to non-Apple recipients.

Dial

Phone numbers with calls, SMS and iMessage for AI agents
Starting price
$3/month per standard number; $250/month per iMessage number
Free plan
$5 free credit, no credit card required
Supported

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

iBlueText

Hosted or self-hosted iMessage lines with iPhone lookup
Starting price
$29/month (self-hosted, 1 line); $99/month per hosted line
Free plan
No-card trial: 100 lookups, 10 verifications and 10 iMessages; self-hosted 3-day trial
PartialFalls back to green; the carrier decides RCS or SMS and iBlueText reports which

autoMessage

iMessage API, MCP server and webhooks on your own Mac
Starting price
$59/month (Solo)
Free plan
14-day free trial, no credit card to start
PartialRCS sends work only with Text Message Forwarding from your iPhone.

Contiguity

SMS, iMessage, WhatsApp and email in one developer API
Starting price
$79.99/month for a leased iMessage number ($9.99 number plus $70 iMessage); SMS adds $40
Free plan
Free: 500 SMS, 100 MMS and 1,000 emails a month on shared numbers
PartialFallback is described as SMS/RCS; RCS needs a number with both SMS and iMessage

iSnap

iMessage API on real iPhones, rented or your own
Starting price
$15/month per BYOP line; rented lines from $77/month
Free plan
Starter: $0, one contact, shared test line
PartialFallback can go out as SMS or RCS; Apple and the carrier choose which, not iSnap.

Beam

iMessage, RCS and SMS for GoHighLevel agencies, with an API
Starting price
Not published
Free plan
Free preview workspace with demo data; no live sending
SupportedAndroid recipients get RCS where phone and carrier support it, else SMS.

senderZ

iMessage for customer-started chats, SMS for the rest
Starting price
$39/month billed annually ($49 billed monthly)
Free plan
14-day trial, no card
SupportedCascade is iMessage, then RCS where the phone and recipient support it, then SMS.

Claw Messenger

iMessage for personal AI agents, no Mac needed
Starting price
$5/month for 250 messages
Free plan
7-day free trial, card required
SupportediMessage with automatic RCS and SMS fallback

myCRMSIM

Send iMessage, SMS, WhatsApp and RCS from your own devices
Starting price
$29/month per iMessage line ($24.17/month billed annually)
Free plan
None; 30-day money-back guarantee
PartialWorkspace routing sets primary and fallback channels, including RCS. Each channel needs its own device and plan.

Sendara

iMessage from your CRM on a dedicated line
Starting price
$249/month (first line) plus $99 setup
Free plan
None mentioned
SupportedFalls back to RCS on supported Android phones, then SMS.

Not supported or not listed

  • Chert
    Not listedHomepage says SMS or RCS fallback; API docs only describe SMS retry.
  • messages.dev
    Not listed
  • MessageBlue
    Not listedMarketing pages say SMS or RCS fallback; docs only describe SMS.
  • Texting Blue
    Not listed
  • BlueBubbles
    Not listed
  • Apple Messages for Business
    Not listed
  • Twilio
    Not supportedNo iMessage support
  • Sinch
    Not supportedNo iMessage support
  • Telnyx
    Not supportedNo iMessage support
  • Vonage
    Not supportedNo iMessage support
  • Bird
    Not supportedNo iMessage support
  • Infobip
    Not supportedNo iMessage support
  • adit
    Not listed
  • AgentCall
    Not supportedNo iMessage support
  • AgenticMail
    Not supportedNo iMessage support
  • AgentLine
    Not supportedNo iMessage support
  • AgentMessage
    Not supportedRCS not offered
  • AgentNumber
    Not supportedNo iMessage support
  • Apple Messages MCP
    Not supportedNew messages go as iMessage unless you choose SMS or RCS
  • Artil
    Not supportedNo iMessage support
  • beeperbox
    Not listed
  • Bland
    Not listedDocs say Bland picks the richest channel; an iMessage to RCS order is not stated
  • Blue Replies
    Not listedThe pricing page mentions RCS; the API docs do not.
  • BlueSendr
    Not listed
  • Caspian
    Not listed
  • Chatbubbles
    Not listed
  • Clerk AI
    Not supportedNo iMessage support
  • Crypton.sh Blue Relay
    Not supportedNo RCS channel offered.
  • imsg (gnufood)
    Not listed
  • GoGHL
    Not listed
  • Hail
    Not supportedNo iMessage support
  • imbridge
    Not listed
  • iMessage Max
    Not supportedNew recipients are sent over the iMessage service only
  • iMessage Relay
    Not listed
  • imessage-rs
    Not listed
  • imessage-sdk
    Not listed
  • iMessage Sender
    Not listed
  • Mac Messages MCP
    Not listedDocs say SMS/RCS fallback, but the code sends through the SMS service
  • mautrix-gmessages
    Not supportedNo iMessage support
  • mautrix-imessage
    Not listed
  • OpenClaw imsg
    Not listed
  • OpenMessage
    Not supportedNo iMessage support
  • Project Blue
    Not listedHomepage describes fallback from iMessage to WhatsApp to SMS. RCS fallback is not described.
  • rustpush
    Not listed
  • Saperly
    Not supportedNo iMessage support
  • SendiMessage
    Not listedHistory rows can carry RCS, but routing is described as iMessage, then SMS.
  • Sent
    Not supportedNo iMessage support
  • SentFromAI
    Not supportedRCS not offered
  • Tuco AI
    Not supportedRCS not offered
  • Unipile
    Not supportedNo iMessage support
  • Vernacular
    Not listed
  • VoidFix Gateway
    Not supportedRCS not offered
  • ZeroSettle
    Not supportedDocs: iMessage only, with no RCS fallback.
  • Bandwidth
    Not supportedNo iMessage support
  • Cadence
    Not supportedNo iMessage support
  • ClickSend
    Not supportedNo iMessage support
  • CM.com
    Not supportedNo iMessage support
  • Commio
    Not supportedNo iMessage support
  • Dexatel
    Not supportedNo iMessage support
  • GatewayAPI
    Not supportedNo iMessage support
  • Gupshup
    Not supportedNo iMessage support
  • Messente
    Not supportedNo iMessage support
  • Mobile Text Alerts
    Not listed
  • Orbit by Devotel
    Not supportedNo iMessage support
  • Pinnacle
    Not listedThe FAQ fallback order puts RCS before iMessage
  • Plivo
    Not supportedNo iMessage support
  • Routee
    Not supportedNo iMessage support
  • Signal House
    Not supportedNo iMessage support
  • Signalmash
    Not supportedNo iMessage support
  • SignalWire
    Not supportedNo iMessage support
  • smsmode
    Not supportedNo iMessage support
  • Surge
    Not supportedNo iMessage support
  • Telgorithm
    Not supportedNo iMessage support
  • TextGrid
    Not supportedNo iMessage support
  • TXTImpact
    Not supportedNo iMessage support
  • Webex Connect
    Not supportedNo iMessage support