Pre-launch · full-loop email AI

One AI writes your email flows and answers every reply they bring back.

Most tools stop the moment a campaign sends. ReplyFlow keeps going: it reads each inbound reply, classifies intent, and drafts an on-brand answer in seconds instead of the days a busy inbox usually swallows.

replyflow — studio
Compose
Launch flow for a DTC skincare brand — welcome new subscribers, recover carts.
Flow
Welcome
Day 2
Abandoned cart
Win-back
Inbox
Jordan · new replyDo you ship to the EU? Loved the sample.
ReplyFlow · draftedHi Jordan — yes, we ship across the EU in 3–5 days. Here’s 10% off your first order.
Sent · on-brand reply
ReplyFlow builds an email flow from a short brief, then reads an incoming reply and drafts an on-brand answer — the full outbound-to-reply loop.
The reply gap

Half-built email costs you on three fronts at once.

inbound backlog

Replies pile up unread.

Outbound goes out on schedule. The answers do not. Manual triage burns up to four hours a week per rep, and the interested ones cool off while they wait.

Gmail / Yahoo rule

Deliverability slips quietly.

Gmail and Yahoo want your spam-complaint rate under 0.10%. Cross 0.30% and enforcement starts. Since November 2025 that means permanent 5xx rejections, not soft warnings.

list decay

Your list decays under you.

Email lists shed roughly 23% of their addresses a year as people move on. Without re-engagement flows firing on the right signal, you pay to message contacts who left.

The full loop

Outbound and inbound, run by the same system.

Klaviyo, Mailchimp, and most of the field automate the send and hand the reply back to a human. ReplyFlow treats send and reply as one cycle: every answer it drafts feeds the next re-engagement, so nothing stalls between the two halves.

Reads the reply, classifies intent, answers or routes, up to 90% faster than manual response.

OutboundAI sends the flowReplyInbound landsRe-engageAI answers & loopsTHE FULL LOOPnever drops a reply
What it does

Six jobs, one engine.

  • 0130.63%

    Writes the flows

    Describe the goal; the AI builds the welcome, cart, and win-back sequence. Automation flows open at 30.63% against 20.73% for one-off broadcasts.

    automation open rate (Brevo 2026)
  • 02up to 90%

    Answers inbound

    Reads every reply, sorts interested from objection from out-of-office, and drafts the response. Cuts response time by up to 90%.

    faster reply handling
  • 0315–30%

    Send-time optimization

    Each contact gets queued to their own historical open window. Per-subscriber send-time tuning lifts opens 15 to 30%.

    open-rate lift from STO
  • 042.7x

    Deliverability, handled

    SPF, DKIM, and DMARC set up and monitored to the Gmail bulk-sender spec. Full authentication places 2.7x more mail in the inbox.

    inbox lift, authenticated
  • 05+41%

    Segmentation that earns

    Behavioral segments built from engagement signals, not guesswork. AI-driven personalization drove a 41% revenue increase in the Tabular 2024 study.

    revenue, AI personalization
  • 06+15.8%

    A/B subject lines

    The AI writes variants and tests them live. eBay measured a 15.8% open lift and 31% more clicks running AI-generated subject lines.

    open lift, eBay case
Watch it work

Brief in. Flow out. Reply answered.

Three beats, one screen: a plain-language brief becomes a built flow, the flow sends, and an inbound reply comes back answered on-brand. The 5.5% reply-rate shown in the panel is the real top-quartile outbound benchmark from Instantly.ai 2026, the bar this loop is built to clear.

A sourced industry benchmark shown in the mock, not a ReplyFlow result.

replyflow — studio
01 · Compose→
02 · Send→
03 · Reply
Brief
Launch flow for a DTC skincare brand — welcome new subscribers, recover carts.
Flow built & sending
Welcome
Day 2
Abandoned cart
Win-back
Reply handled
Jordan · new replyDo you ship to the EU? Loved the sample.
ReplyFlow · draftedHi Jordan — yes, we ship across the EU in 3–5 days. Here’s 10% off your first order.
top-quartile benchmark · Instantly 20265.5% reply rate
ReplyFlow builds an email flow from a short brief, then reads an incoming reply and drafts an on-brand answer — the full outbound-to-reply loop.
By the numbers, sourced

The numbers that define a working email program.

30.2%

Average open rate for automated email

Omnisend 2026 benchmark, 27,000+ brands

5.5%

Top-quartile reply rate, outbound

Instantly.ai Cold Email Benchmark 2026

4.7%

Average click rate for automated email

Omnisend 2026 benchmark, vs 0.74% broadcast

2.7x

Inbox lift from full authentication

SPF + DKIM + DMARC vs none, GlockApps 2025

Every figure here is real, published industry data, named to its source. They are the benchmark bar ReplyFlow is built to hit and automate toward, not results from our own accounts. Early-access teams are only now putting the loop to work.

Early access

Get in before the loop closes for everyone else.

ReplyFlow is in private build. Waitlist members shape what ships and get on first.

  • A deliverability audit

    We check your SPF, DKIM, and DMARC against the Gmail bulk-sender rules before you ever send through us.

  • Priority onboarding

    First access for senders near the 5,000-a-day Gmail/Yahoo bulk threshold, where the new rules bite hardest.

  • Locked launch pricing

    Founding-cohort rate held for the life of your account. No card now; the waitlist is free.

Built by Marcus Velder, nine years on DTC lifecycle and deliverability.

Join the waitlist

Three quick questions. No credit card, no sales call.

Hey! I'm the ReplyFlow assistant. What's your name?

Prefer email? contact@replyflow.media