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Sendblue vs Miss Blue vs Blue Reacher: An Honest Comparison

Quick verdict

Sendblue and Miss Blue both run dedicated iMessage lines with different splits. Sendblue: $100/mo inbound-only, outbound sales-gated at 50/day (its llms.txt, 9 Aug 2026). Miss Blue: $198/mo or $99 sale through 30 Sep 2026, shared inbox plus API (checked 20 Sep 2026). Blue Reacher: managed outbound at $249/line.

$249 per line per month, published No A2P registration required 50 opted-in / 30 cold new contacts a day, unlimited replies

Key takeaways

  • Both run dedicated iMessage with developer APIs.
  • Sendblue: G2 4.8 across 65 reviews (July 2026), third-party proof.
  • Miss Blue publishes a price list at any tier: $198/mo (on sale for $99, checked 20 Sep 2026).
  • Sendblue covers inbound-only; Miss Blue and Blue Reacher cover cold outbound.
  • Sendblue or Miss Blue resolves fastest on two questions: Do you need to send cold outbound?
  • Blue Reacher sends blue-bubble iMessages from your CRM at 2-3x cold email reply rates, campaigns built for you, no A2P registration.

Reply rate by outbound channel

Reply rate by outbound channelReply rates by channel: cold email 0.45%, LinkedIn connection requests 3.0%, SMS around 12%, and iMessage 30 to 45%. Sources and dates are on the statistics page.Cold email0.45%LinkedIn request3.0%SMS~12%iMessage30-45%
Reply rates by channel: cold email 0.45%, LinkedIn connection requests 3.0%, SMS around 12%, and iMessage 30 to 45%. Sources and dates are on the statistics page.

How do Sendblue and Miss Blue compare at a glance?

Both run dedicated iMessage with developer APIs. Sendblue is the YC-backed inbound-first platform that gates outbound. Miss Blue is the self-serve API with a shared team inbox.

  • Figures sourced to live pages, llms.txt, or dated checks (20 Sep 2026 Miss Blue, 9 Aug 2026 Sendblue). Unpublished numbers: see table instead of guessing.

Published pricing

Sendblue
$0 sandbox; $100/line/mo AI Agent plan, inbound-only (their llms.txt, 9 Aug 2026)
Miss Blue
$198/mo (sale: $99, through 30 Sep 2026; checked 20 Sep 2026)
Blue Reacher
from $199/line/mo

Setup fee

Sendblue
Self-serve sandbox, then sales for outbound
Miss Blue
$479 per line (waived for signups before 30 Sep 2026; checked 20 Sep 2026)
Blue Reacher
$449, waived on annual billing

Cold outbound

Sendblue
Blue Ocean plan, sales-gated: 50 new contacts/day/line, 200 follow-ups/day, 5 messages max without a reply (their llms.txt, 9 Aug 2026)
Miss Blue
Built for expected contact; about 30 new conversations/day with 30% reply floor; rate cap 15 messages/minute (checked 20 Sep 2026)
Blue Reacher
Core use case, included, 50 opted-in / 30 cold new contacts per day

Dedicated line

Sendblue
Included on paid plans
Miss Blue
Included; custom area code $205 one-time (checked 20 Sep 2026)
Blue Reacher
Included, with custom area code

FaceTime Audio

Sendblue
Not listed in llms.txt
Miss Blue
$250/mo ($350 list; checked 20 Sep 2026)
Blue Reacher
$99/mo add-on

Phone calling

Sendblue
TOTP and verification APIs
Miss Blue
500 minutes included; fuller calling $75/mo, both add-ons $300/mo total (checked 20 Sep 2026)
Blue Reacher
FaceTime dialer add-on covers same-number calling

Developer surface

Sendblue
API, docs, free sandbox, no credit card
Miss Blue
API, CLI, webhooks, MCP server, free sandbox (checked 20 Sep 2026)
Blue Reacher
Native CRM integrations plus API and webhooks

Security disclosures

Sendblue
Data incident disclosed 5 Aug 2026 in their own report
Miss Blue
None disclosed
Blue Reacher
None disclosed

Third-party reviews

Sendblue
G2 4.8 across 65 reviews (Jul 2026)
Miss Blue
None found on G2, Capterra, or Trustpilot (Jul 2026)
Blue Reacher
Early-stage category, limited public reviews

Company backing

Sendblue
Y Combinator Summer 2023
Miss Blue
Self-serve revenue, no disclosed funding
Blue Reacher
Independent

Where does Sendblue beat Miss Blue?

Sendblue: G2 4.8 across 65 reviews (July 2026), third-party proof. Miss Blue: no reviews anywhere.

  • Sendblue disclosed a security incident (5 Aug 2026) from a database vulnerability (31 Jul). Factor this in. The $100 plan covers inbound only; outbound is on the sales-gated Blue Ocean plan.
  • Published pricing information and G2 4.8 across 65 reviews (July 2026)
  • A free sandbox with API access and no credit card, so evaluation costs an afternoon
  • Y Combinator backing and named enterprise customers
  • Calling product and TOTP/verification APIs beyond messaging

Where does Miss Blue beat Sendblue?

Miss Blue publishes a price list at any tier: $198/mo (on sale for $99, checked 20 Sep 2026). Sendblue's outbound Blue Ocean requires a sales call with unpublished pricing.

  • Developer experience edges Sendblue. Miss Blue's API, CLI, webhooks, and hosted MCP server (checked 20 Sep 2026) make a strong self-serve argument. No calls, no approvals, and the shared inbox is genuinely good software.
  • Every tier priced in public, so you can budget without a sales cycle
  • Self-serve activation the same day, with no approval step
  • OpenAPI spec, CLI, webhooks and hosted MCP server
  • Publishes pacing rules (15 messages/minute, about 30 new/day) instead of burying them
  • Shared team inbox with no per-seat billing

The pricing picture over 12 months

Sendblue covers inbound-only; Miss Blue and Blue Reacher cover cold outbound. Year-one totals from published pricing (checked 20 Sep for Miss Blue, 9 Aug for Sendblue).

Software, 12 months

Sendblue (12 mo inbound)
$1,200
Miss Blue (sale, 20 Sep)
$1,188 ($99x12)
Miss Blue (list, 20 Sep)
$2,376
Blue Reacher (monthly)
$2,988 ($249x12)
Blue Reacher (annual)
$1,949

Setup

Sendblue (12 mo inbound)
$0
Miss Blue (sale, 20 Sep)
$0 (waived in sale)
Miss Blue (list, 20 Sep)
$479
Blue Reacher (monthly)
$449
Blue Reacher (annual)
$0 (waived)

FaceTime Audio, 12 mo

Sendblue (12 mo inbound)
Not available
Miss Blue (sale, 20 Sep)
$3,000 ($250/mo)
Miss Blue (list, 20 Sep)
$4,200 ($350/mo)
Blue Reacher (monthly)
$1,188 ($99/mo)
Blue Reacher (annual)
$1,188

Fuller phone calling, 12 mo

Sendblue (12 mo inbound)
Verification APIs only
Miss Blue (sale, 20 Sep)
$900 ($75/mo) plus above
Miss Blue (list, 20 Sep)
$900 plus above
Blue Reacher (monthly)
Included with FaceTime dialer
Blue Reacher (annual)
Included

Cold outbound in scope

Sendblue (12 mo inbound)
No; $100 plan inbound-only
Miss Blue (sale, 20 Sep)
Yes; 30/day pacing enforced
Miss Blue (list, 20 Sep)
Yes; 30/day pacing enforced
Blue Reacher (monthly)
Yes; 50 opted-in / 30 cold/day
Blue Reacher (annual)
Yes

Year-one total with calling

Sendblue (12 mo inbound)
$1,200 (no outbound)
Miss Blue (sale, 20 Sep)
$5,088+ (sale, messaging + calling)
Miss Blue (list, 20 Sep)
$7,955+ (list, messaging + calling)
Blue Reacher (monthly)
$4,625
Blue Reacher (annual)
$3,137

Those are our assumptions. The Blue Funnel Map runs the same arithmetic on the funnel you actually have, and you keep the map either way.

Run these numbers on your funnel
How do you choose between Sendblue and Miss Blue?

How do you choose between Sendblue and Miss Blue?

Sendblue or Miss Blue resolves fastest on two questions: Do you need to send cold outbound? And are you comfortable managing the integration yourself?

  • Developers with engineers to own API wiring: neither requires a sales call. Sales teams: both require different integration lifts.
  • Do you own the integration or is it your job to outsource it? If you build it, either vendor works; if not, neither does.
  • Is cold outreach the goal? Sendblue caps it at 50/day and quotes it. Miss Blue publishes 30/day with an enforced reply floor. Blue Reacher runs it for you.
  • Do you need a review base? Sendblue, G2 4.8/65. Miss Blue publishes none.
  • Is the Sendblue security incident a blocker? Review the August 2026 disclosure and stack it against your risk tolerance.
  • Need FaceTime Audio? Sendblue doesn't list it; Miss Blue charges $250/mo; Blue Reacher charges $99/mo.
  • Budget for the math: Sendblue $100/mo inbound-only; Miss Blue $99 on sale (through 30 Sep) or $198 list; Blue Reacher $249/mo includes outbound and managed setup.
Where does Blue Reacher fit, and who is each one for?

Where does Blue Reacher fit, and who is each one for?

Blue Reacher sends blue-bubble iMessages from your CRM at 2-3x cold email reply rates, campaigns built for you, no A2P registration.

  • from $249/line/mo or $1,949/line/year with activation waived. Unlimited iMessages (50 opted-in / 30 cold new contacts a day), RCS then SMS fallback, white-glove setup.
  • Sendblue: review base and developer reach. Miss Blue: self-serve speed. Blue Reacher: B2B teams, managed outbound, published pricing, no API integration required.

Frequently asked questions

Is Sendblue cheaper than Miss Blue?

Sendblue: $100 inbound-only. Miss Blue: $99 on sale or $198 list. Neither covers cold outbound or calling. With calling, Miss Blue runs $250+ higher ($250 FaceTime + $75 calling). Blue Reacher: $249/mo with outbound included.

Can Sendblue or Miss Blue do cold outreach?

Miss Blue: 30/day new conversations, 30% reply floor, 15 msg/min rate limit (checked 20 Sep 2026). Sendblue: only via Blue Ocean, sales-gated, 50/day capped (its llms.txt, 9 Aug 2026). Blue Reacher: 50 opted-in / 30 cold/day, managed.

What was the Sendblue security incident?

Unauthorized database access on 5 Aug 2026 to a vulnerability. Records accessed: messages, phone numbers, contact details (7 and 10 July 2026). Phishing also targeted customer phone lines. Review their disclosure before signing.

Does Miss Blue have setup costs?

Normally $479 per line, waived for signups before 30 Sep 2026 (checked 20 Sep 2026). Other one-time fees: custom area code $205, managed conversational AI setup $250. After the waiver expires, setup returns to $479 per line.

Can I switch from Sendblue or Miss Blue to Blue Reacher?

Yes. Both vendors support exports or port-outs. Bring your contacts and your CRM, and Blue Reacher onboarding rebuilds the sequences on a dedicated line with your preferred area code. Most Blue Reacher teams send within up to 2 business days of the demo.

Do any of these require A2P 10DLC registration?

No. iMessage does not run on the carrier SMS routes that A2P 10DLC governs, so no A2P registration is required at Sendblue, Miss Blue, or Blue Reacher. Consent law still applies on every channel, so keep a lawful basis for contact and a working opt-out whichever platform you pick.

Want cold outbound included, not quoted or left to API work?

Sendblue gates outbound and Miss Blue hands you an API; Blue Reacher runs the outbound for you. Book a demo and judge the channel from your own lock screen first.