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Voice-firstiOSRealtime voiceMulti-user

EverSage

A voice-first assistant for iPhone that you talk to like a chief of staff, it captures tasks, sets native alarms and reminders, triages and drafts your email, sends confirm-first texts, reads your day, and moves your meetings, all by voice.

EverSage screenshot
RoleDesign & build, end to end
PlatformNative iOS (Expo)
StackReact Native, Supabase
VoiceRealtime, on-device
The challenge

Phone assistants set timers. They don't run your day.

Running your day by hand, tapping through a calendar, three inboxes, a task list, and your messages, eats the exact hours that should go to real work. And the voice assistants that come on your phone are shallow: they'll set a timer, but they can't triage your inbox, draft a reply that sounds like you, or move a meeting and tell the other person. What's missing is an assistant you actually talk to, that takes real actions across the apps that run your life, and never sends anything in your name without you seeing it first.

What we built

An assistant you talk to, that actually does things.

EverSage is a native iOS assistant you hold a real conversation with. Tap the orb, speak, and it acts: it turns a spoken note into tasks, sets native alarms and reminders, pulls your inboxes into one triaged list and drafts the replies, opens a text prefilled and waits for your tap, lays out today's agenda, and proposes new meeting times. Every action it takes is a single, well-defined command, so the same thing the voice does today, a background assistant can do for you later without a rebuild.

The difference between a demo and something you'd run your day on is all in the parts you don't see. It's local-first, and every provider key and login token stays server-side and encrypted, so the phone never holds a secret. A spend cap runs on the server before any paid AI call. And the guardrails are enforced in code, not a doc: freeform email is drafts-only, texts wait for your tap, and there are hard lines it will never cross, money, contracts, deletes, messaging strangers, anything bulk or irreversible.

01
A real conversation, on your phoneA live voice loop: speak, watch the transcript, see each action confirm, running on an actual iPhone, multilingual, not a scripted list of commands.
02
Voice to tasks, alarms, and remindersSpeak a note and it becomes tasks plus true native alarms and reminders, the OS-level kind that actually go off.
03
Inbox triage and draftingYour inboxes pulled into one sorted list, with replies drafted for you. Freeform email is drafts-only, so nothing sends itself.
04
Confirm-first textingSay who and what, and it opens Messages prefilled and waits for you to hit send. It never texts a stranger or fires on its own.
05
Reads your day, moves your meetingsA one-payload morning brief (agenda, inbox, what's slipping) plus calendar agenda and propose-slots, with reschedule wired behind the same typed-tool seam.
EverSage screen 1
EverSage screen 2
EverSage screen 3
The outcome

Real actions, and you control every send.

$0.06/sessionWhat a full voice session costs on the cheap realtime tier, with a hard spend cap server-side.
0on deviceProvider keys and login tokens live only in server functions, never on the phone.
Confirm-firstFreeform email is drafts-only and texts wait for your tap. Enforced in code, not policy.

A voice-first iOS assistant built for owners and operators, multi-user and private by design. Adoption and App Store status are left off until there's something real to point to.

Stack & tools
ExpoReact NativeTypeScriptSupabaseOpenAI RealtimeWebRTCAnthropic ClaudeAlarmKit + EventKitopenWakeWord
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