The AI Assistant
that new moms text at 3am.
An AI assistant for pregnancy and childhood. She remembers the little details about your child, and messages you first when something looks off — not a diagnosis. Free to download on iPhone and Android.
Free to download on iPhone & Android. No card. See plans
Made by parents who've been there. Built for the 3am version of you.
Watch how Susan works
Our Product Hunt launch video.
Why we built Susan
Our son was born on a Saturday.
He wasn't feeding well those first days — and we didn't realize we could have asked the nurses for formula to top him up. Discharged a couple of days later, we were up every night typing his symptoms into ChatGPT at 3 a.m. Good general info — but it had no idea this was our baby, on day three, with a pattern building since Tuesday. The next morning his face looked deeply yellow. We went straight back to emergency — readmitted, this time topping him up with formula. He's fine.
We kept landing on the same thought: we had tools — the tools just didn't know us. Not our baby, not our history, not what day three meant.
Hey Susan™ is the assistant that knows you and your baby — not parenting in the abstract. She keeps track of feeds, diapers and sleep so your patterns are there when you want them, and points you to your pediatrician for anything medical. She also asks how you're doing, because postpartum is real.
— Warren & Joanna, founders
What makes Susan different
Other apps wait for you to open them. Susan learns your baby, reaches out first, guides the whole journey from pregnancy toward 18, and even checks in on you and your partner.
Most baby apps are a logbook. Susan™ has a brain — nine faculties, modeled loosely on how memory and attention work in the brain.
- 1
Notices what’s off
She learns your baby's normal, so she notices the moment something's off — a late feed, a skipped nap.
- 2
A picture that keeps building
What she learns about your baby is saved between conversations — then refreshed against your latest logs every time you talk, so the picture keeps building instead of starting from zero.
- 3
Knows who your baby is
She turns scattered logs into real knowledge of who your baby is and how they're doing.
- 4
What matters stays in view
The things that matter are kept in front of you, not buried under yesterday's logs.
- 5
Tone that fits the moment
Gently when it's a worry, lighter for the everyday.
- 6
She learns you too
She learns how you like to be talked to, and speaks to you that way.
- 7
She stays on it
When something serious happens she doesn't just note it and move on: she asks what happened, helps you keep track of what was done, and checks back in over the days that follow.
- 8
A protective instinct
For the rare things that really matter: keeping the single most important next step in front of you until it's handled.
- 9
One purpose behind it all
Every one of these is in service of a single thing: helping carry the load, so the hard parts feel a little lighter.
Want to see how this actually works? See how Susan thinks — what she looks at, what she promises, and what she deliberately never does.
Hey Susan is an AI assistant, not a medical device. She notices patterns and points you to your pediatrician — she does not diagnose.
She remembers your baby
Not generic data — your baby. The eczema, the rash from Wednesday, how feeding's been going. You never catch her up twice.
She messages you first
72% of new parents say broken sleep hurt their mental health1 — right when reaching out feels hardest. So Susan doesn't wait for you to ask: she checks in first, every few hours in the newborn weeks, on sleep, feeds, and how you're doing — a real message, not a notification you swipe away.
She grows with your child, not just this year
Most trackers cover one phase — newborn sleep, or toddler milestones — then you outgrow them. HeyJourney! lays out the checkups, milestones, and vaccines from pregnancy all the way to 18, and shows what's current for your baby right now — one place, the whole way.
She follows up, not just once
New parents get asked “how are you?” once, at the hospital, and then never again. Susan asks again — and again after that — and remembers what you told her last time. 1 in 5 U.S. moms2 and about 1 in 5 new parents in Canada3 experience a perinatal mood or anxiety disorder. Your pediatrician (or therapist) is still the right place for care — Susan just makes sure the question doesn't disappear.
The roadmap
HeyJourney!
HeyJourney! timeline
From pregnancy through the growing-up years, Susan lays out the checkups, milestones, paperwork, and money to-dos ahead — shows you which ones are current for your baby — and you check each one off as you go. A few examples across the arc:
Pregnancy
from a positive test- Book your first prenatal appointment
- Anatomy ultrasound window
- Get on daycare waitlists early
- Start planning leave and a baby budget
- Pack a hospital bag and install the car seat
+ 11 more in this phase
Newborn
0 to 3 months- Jaundice watch in the first days
- First pediatrician visit
- First social smiles
- Register the birth and apply for documents
- Two-month visit and first vaccines
+ 9 more in this phase
Infant
4 to 12 months- Six-month visit and starting solids
- Sitting up and babbling
- Nine-month visit and a development check
- No honey before the first birthday
- Pulling up, cruising, and first words
+ 7 more in this phase
Toddler
1 to 3 years- First steps and first real words
- Eighteen-month visit and screenings
- Two-year visit and autism screening
- Running and two-word phrases
- Yearly money check-in
+ 36 more in this phase
- checkups & health
- milestones
- appointments & registrations
- money & paperwork
- getting ready
These are general reminders to help you keep track, not medical advice. Timing and what is right for your baby is always a conversation for your pediatrician, OB, or midwife.
Checkpoint selection draws on public guidance from the AAP's Bright Futures schedule, the CDC's “Learn the Signs. Act Early.” milestones, and the Canadian Paediatric Society. Hey Susan is not affiliated with or endorsed by these organizations.
Draft a message
The wording
HeyBeNice!
The plan
A shared plan board — you and Susan, same page
Plan board
Learning Paths
The paths
Learning Paths — birth to 18, browse by area
The start
Onboarding in a few taps
Onboarding
Watch it in 11 seconds
The reminders
Max PerformanceHey PlanforMe!
Susan already knows roughly where Maple's naps land — she predicts them from your own logged rhythm. Hey PlanforMe! writes that day straight into your Google Calendar: each nap, and the 30-minute wind-down before it, as its own clearly-branded block.
Ask once, and Susan works out the week — then stops and asks you. You see exactly what she's proposing and how many blocks it is before a single one exists. Tap Yes, add them and they land; tap No thanks and nothing happens at all.
From then on it's a week at a time, in a clear branded format so you can tell Susan's blocks apart from your own at a glance. As the rhythm shifts, Susan keeps it in step — but nothing is added, changed, or removed without your say-so, and you can disconnect anytime.
The lookup
Hey WhatsNext!
Susan doesn't just help you track the day — she helps you plan it. Ask what's coming up and she answers in plain English, from what you've actually told her.
- Remembers what you've told her — appointments, plans, plain conversation — so you never have to re-explain
- Cross-checks against HeyJourney!'s checkup and milestone timeline for her age
- Answers in plain English — no dashboard to open, no app-switching
Want me to check back in with you Friday morning?
Ask what's coming up, get a real answer
An illustrative example of how Susan answers — not a live-bot capture.
Hey Susan is an AI assistant, not a medical device. She notices patterns and nudges you to call a clinician — she does not diagnose.
Sources: 1. ergoPouch/Bounty parent-sleep survey · 2. Postpartum Support International — perinatal mood and anxiety disorder prevalence (U.S.) · 3. Statistics Canada — 2024 Parental Experiences Survey, perinatal mental health (Canada)
A look inside — real conversations, real screens
This is the part other baby apps don't have: you just talk, and she knows your baby. Ask “how was her week?” and the real numbers come back. Start the nap timer with one tap and it keeps running even if the app closes. Live on iPhone and Android.
Has it seemed to improve since then?
She remembers — for keeps
Maya, here's the last week at a glance — tap 📊 Charts for the full picture.
From your own logs — the full picture lives on the Charts tab.
From your own logs — the full picture lives on the Charts tab.
From your own logs — the full picture lives on the Charts tab.
Ask for any stretch, in plain words
And when you'd rather tap than type — every screen is right there in the app, one tap away:
Today — what's coming up
How Susan compares
We do what the market leaders do — dashboard, visual reports, one-tap logging — plus the things they don't: she messages you first and checks in on you.
Messages you first
Checks in on how *you're* doing
Remembers your baby — for keeps
A guided journey: pregnancy → the growing-up years
A shared plan board & Learning Paths
Chat-first — nothing new to learn
Log by text or a one-tap dial
One-tap sleep timer
Ask in plain language
Nap & feed predictions
Dashboard + visual reports (timeline, calendar, charts)
Emergency help: who to call, fast
Price
Some passive trackers run about $45/year vs our $99. If low-cost logging is all you want, that's a fair pick. Susan does the thing they don't: she checks in on you. Get the app — free and decide.
Simple, honest pricing
Free for early users — and early members lock in founding-member access. These are the plans we'll launch with: keep the basics free forever, or unlock the assistant that checks in on you.
Susan — Power Saver
$0forever
- Track feeds, diapers & sleep by text
- Basic manual tracking — log it, look it up
- A second caregiver included — one shared history, no asking twice
- The “worth a call” nudge when something looks off — safety is never behind a paywall
- HeyJourney! — the guided milestone timeline, birth toward 18
- Plan board & Learning Paths — yours to browse, add and drag
- Download your week as a calendar file, anytime
- Susan — Max Performance features free for early users
Susan — Max Performance
$99/yr at launch · just $8.25/mo
or $14.99/mo billed monthly
Everything in Susan — Power Saver, plus:
- Proactive check-ins — she messages you first
- Checks in on you, not just the baby — postpartum follow-up included
- Nap & feed predictions in plain language
- Hey PlanforMe! — the week's rhythm auto-synced to your Google Calendar, and kept in step
- Susan suggests what to add — plan cards and journey topics picked out of your own conversations
- Memory that carries over — no re-explaining bottle sizes, nap counts, or your routine, days or weeks later
Premium baby-care companions run $10–15/month, and the leaders lock their best AI behind a $120/year prepay. At launch, the Susan — Max Performance plan is $99/year or $14.99/month, cancel anytime. It's free for early users.
Proactive check-ins are live now; message her anytime to set quiet hours.
Hey Susan is an AI assistant, not a medical device, and not a substitute for your pediatrician, midwife, or emergency services. Prices in USD.
Privacy and safety
We don't sell your data. No ad trackers. Your conversations are private — your information is only ever used to run Susan for you, never sold, never shared with advertisers or data brokers.
Susan is powered by Google's Gemini model. Your data is processed under Google's terms — named on our privacy page. We don't use other LLM providers.
Free for early users. When paid plans launch, cancel anytime — no phone call, no retention flow.
What Susan is — and isn't:
An AI assistant. Not a medical device. Not a substitute for your pediatrician, OB, midwife, or any licensed clinician. When something looks urgent, Susan says so clearly. Crisis routing (self-harm, emergency) is hard-coded — it bypasses the AI entirely. Susan shows you who to call; she doesn't place the call for you.
Stay in the loop
Susan is live on iPhone and Android. Leave your email for updates, and founding members lock in the best launch pricing.
Don't want to wait? Download Hey Susan — free →
FAQ
- Is Susan a real person?
- No. Susan is an AI — trained to feel warm and consistent, but software. When something needs a real human (a doctor, a therapist, 911), she'll tell you.
- Why a dedicated app?
- Because a dedicated app is the right home for an assistant that checks in on you around the clock. Native apps mean reliable background notifications (Susan can reach you at 3am even when your phone is locked), a widget on your home screen, and a one-tap log that never fights with your chat inbox. Everything you've told Susan — your baby's name, feeding history, the rash from Wednesday — lives in one place that's always there when you need it. You can also reach Susan by chat if you prefer; she's the same Susan either way.
- Does Susan grow with my family?
- Yes. Susan starts at the newborn months and grows with you — through solids, sleep regressions, toddler tantrums, school transitions, eventually the teenage years. The newborn assistant is live now; the later stages roll out through 2026–2027.
- What language does Susan speak?
- English at launch. More languages are coming — we're adding them deliberately, with safety guidance reviewed for each language before we turn it on, rather than rushing them all out at once.
- What does it cost?
- It's free for early users — no card to join. When paid plans launch: $99/year or $14.99/month for Susan — Max Performance. Early members lock in founding-member pricing.
- Is this medical advice?
- No. Susan notices patterns and tells you when to call your pediatrician. She does not diagnose.
- I'm expecting — can I sign up now?
- Yes — please do. The earlier you join, the more Susan can learn your rhythm and check in proactively through pregnancy. Sign up with your due date and she'll be ready when baby arrives.
- How does Susan remember things?
- Susan keeps the context of your recent conversations so you don't have to repeat yourself — your baby's name, how you're feeding, what you're worried about. Your data is yours: to have it deleted, email hi@heysusan.app and we'll remove it.
- What if I want to cancel?
- Nothing to cancel while it's free. When paid plans launch, you cancel anytime — no phone call, no retention flow, no hoops.
