Nothing new to carry
Open One, or ask Siri to. No extra device, no second battery, no pairing. That's the whole setup.
Everything,
in One app.
The app you open first. Ask in your own words; One reads your email, checks your calendar, plans the trip and queues the music — on your iPhone, with you approving what matters.
9:41●●● ⌁
Everything,
in One app.
in One app.
Add from email
How long to get there?
Jacket tonight?
Remind me…Email → Calendar
Add the dinner from Maria's email to my calendar
Found it: Friday at 7 pm at Bar Sotano. How long should it last?
hour
Calendar · review
Dinner with MariaFri 7:00–8:00 PM
Bar SotanoChicago
Add to CalendarApple Maps
how long to get to the dentist?
Apple Maps · travel time
Your location → Lakeview Dental
About 18 min · 7.2 miArrive 2:48 PM
what about walking
About 1 hr 25 min on foot. Driving's the one.
Reminders
remind me to invoice Sarah friday morning
Reminders · review
Invoice SarahFri 9:00 AM
Save reminderSaved. Want me to draft the email too?
Gmail
reply to Marco that thursday works
Gmail · draft to Marco Ruiz
Hi Marco — Thursday works for me. See you then.
SendNothing sends until you tap.
Apple Music
play something chill
Now playing
Sunset LoverPetit Biscuit
from your library
skip
Skipped to Breathe by Télépopmusik.
Shortcuts → Notes
run my Add to Notes shortcut with: buy limes
Shortcuts · handoff
Add to Notes“buy limes”
Run in ShortcutsThat's the door into Notes, Settings, and anything else.
Ask One anything…
Already in your pocket. Already on your side.
One runs on the iPhone you already carry, works alongside Siri, and asks before it acts. Nothing to buy, pair, or charge.
Private by design
Your contacts, calendar, location, and music library stay on your iPhone. Only your words go to the AI — and you can turn that off.
You approve what matters
Sending, booking, saving — each one shows you a card first. Weather, math, and travel time just answer. Nothing surprises you.
| One | Siri alone | Other AI assistants | |
|---|---|---|---|
| Runs on | Your iPhone | Your iPhone | Their servers |
| Remembers your people and your “usual” | Yes | No | Sometimes |
| Chains steps across apps | Yes | One at a time | Varies |
| Where your data lives | Your iPhone | Your iPhone | Their cloud |
| Reads your email, calendar, orders | Yes, with your OK | Limited | Yes |
| Approval before anything sends or saves | Always | Usually | Varies |
Works with the Apple apps you use every day.
One doesn't replace your apps. It's the one you open so you don't have to tap through five of them. Tap the stack to flip through.
Calendar
Turns emails and messages into events. Reads the date, asks only what's missing, and you approve.
“Add the dinner from Maria’s email to my calendar”
Reminders
Set from a sentence, with the time understood the way you said it.
“Remind me to invoice Sarah friday morning”
Mail
Find a thread, read what matters, reply in your words. Nothing sends until you tap.
“Reply to Marco that Thursday works”
Messages
Drafts a text to the right person; you send it.
“Text mom I’m running 10 late”
Phone
Calls your people by name, with a check when two match.
“Call Dr. Patel’s office”
Maps
Travel time, distance and arrival from Apple Maps, driving, walking or transit.
“How long to get to the dentist?”
Weather
Today, tonight, tomorrow, or any city you name.
“Do I need a jacket tonight?”
Music
Plays what you describe from your library or Apple Music. Pause, skip, resume.
“Play something chill”
Alarms
Alarms and countdowns in one line, listed and cancelled by voice.
“Alarm at 6:30 tomorrow”
Calculator
Math, tips, splits and unit conversions on the spot.
“18% of 64” · “5 miles in km”
Shortcuts
Runs your own Shortcuts — the door into Notes, Settings and everything else.
“Run my Add to Notes shortcut with: buy limes”
Gmail
Orders, packages, threads and replies from your connected Gmail.
“Where’s my Nike order?”
One price. Everything above.
Try it free for two weeks. Subscribe inside the app when you're sure. Cancel anytime from your Apple ID — the way every iPhone subscription works.
$4.99/month
or $39.99/year · 14-day free trial
- Unlimited requests, fair-use daily limit
- Every Apple app integration, Gmail, and Siri
- Memory of your people, places, and preferences
- New integrations as they ship
Currently in private beta on TestFlight. Ask for an invite.