Messages arrive across connected accounts
Gmail, Outlook, Yahoo, and iCloud feed one unified inbox that preserves each account’s identity.
Your inbox, organized around decisions instead of unread counts.
Halo is Kahvor’s intelligent email and productivity environment for people who live in their inbox — individuals, founders, operators, and their teams. It connects your existing accounts, understands what matters, and prepares the work so you only make the calls.
Web todayiPhone betaMac app coming soonFree plan available
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How Halo works
Four steps, one calm inbox.
Halo identifies what the mail actually is
Replies owed, decisions waiting, commitments made, follow-ups slipping — sorted by what needs you, not by arrival time.
Halo prepares the next step
A summary, a drafted reply in your context, a nudge for a quiet thread — prepared for review, never sent on its own.
You review and approve
Consequential actions wait for you, or for an automation you explicitly configured, like rules or Send later.
Signal
Decisions first. Messages second.
Most inboxes sort by arrival time. Halo sorts by what needs you: replies owed, decisions waiting, commitments about to slip. Everything else is quietly handled and stays out of your way — but never out of reach.
• Tuesday, Aug 4
Good morning. 3 need you.
Halo quietly cleared 12 of noise and prepared what’s next. Only what moves an outcome is here — the rest, it handled.
Sweep to zero
Handle everything that matters in one focused pass.
⌾ Start focus2Decisions1Replies ready0Waiting on you
What matters nowSweep →
Northstar Studio
DECISIONApprove the revised launch timeline
Avery Brooks
REPLY READYConfirm Thursday’s project review
✓12 quietly handledNewsletters, receipts, low-signal — cleared for you.›
The intelligence rail
Read less. Understand more.
Open a long thread and Halo has already condensed it: what changed, what is being asked, what you committed to. A reply is prepared in your context — and it never sends without your review.
Revised launch timeline
NSNorthstar Studio[email protected] · to [email protected]
◉ External sender
The revised launch plan is ready.
Hello team,
We moved the final review to Thursday so the launch handoff has a full day for approval.
Decision neededConfirm the revised launch date by 4 PM.
Sender control
Take your inbox back from senders.
Halo profiles every sender — how often they mail you, what you actually open — and gives you proportionate controls: unsubscribe in one click, quiet a sender without blocking them, or sweep months of noise with Clean Up Sender while receipts stay put.
Manage Sender
×IdentityNorthwind Weekly[email protected]
24Messages3Unread
✓ Trust Sender★ Add to VIP⊘ Block Sender⌁ Block Domain
Mail remains searchable and Halo can preserve important transactional messages.
Apply Quiet SenderReceipts, orders, shipping updates, security notices, and account alerts stay protected.
Review cleanupHalo features
One inbox, every account
01Available now
Unified multi-account inbox
Connect Gmail, Outlook, Yahoo, and iCloud accounts into one inbox that preserves each account’s identity, aliases, and signatures.
02Available now
Gmail
Full OAuth connection with live synchronized mail.
03Available now
Outlook
OAuth connection with mail and calendar.
04Available now
Yahoo Mail
OAuth connection with synchronized mail.
05Available now
iCloud Mail
Connects with an app-specific password.
06Available now
Per-account signatures and aliases
Primary addresses and verified sending aliases each keep their own server-backed signature.
Halo features
Decisions before messages
01Available now
Priority detection
Halo surfaces the messages that actually need you first, instead of sorting by arrival time.
02Available now
Needs Reply
A lane for messages waiting on your response, with the suggested next action.
03Available now
Decision Queue
Work waiting for approval — what it is, why it matters, and what happens if you approve.
04Available now
Waiting
Track threads where someone owes you a reply, so follow-ups stop living in your head.
05Available now
Follow-up reminders
Halo nudges you when a commitment or deadline inside a thread is about to slip.
Halo features
Intelligent assistance
01Available now
AI summaries
Long threads condensed into what changed and what is being asked of you.
02Available now
Prepared replies
Drafts prepared in your context, always reviewed by you before anything sends.
03Available now
Thread intelligence
Halo keeps the history, commitments, and open questions of a conversation in view.
04Available now
Ask Halo
Ask questions about a message and get drafting help grounded in the thread you are reading.
05Available now
Memory
Visible, editable memory: see what Halo remembers, where it came from, and remove anything.
Halo features
Sender control
01Available now
Sender intelligence
Understand who a sender is, how often they mail you, and what you actually open.
02Available now
One-click unsubscribe
Leave a list without hunting for the hidden link.
03Available now
Block sender
Stop a sender permanently with one action.
04Available now
Quiet Sender
Mute repetitive senders without permanently blocking them.
05Available now
Clean Up Sender
Sweep a sender’s accumulated mail in one pass — keep receipts, clear the noise.
06Available now
Phishing reporting
Report suspicious messages and help Halo treat that sender with more caution.
07Available now
Remote-image privacy
Remote images and tracking pixels are blocked until you choose to load them.
Halo features
Flow
01Available now
Snooze
Send a message away until the moment you can act on it.
02Available now
Send later
Write now, deliver at the right time.
03Available now
Advanced search
Find any message, attachment, or decision across every connected account.
04Available now
Rules and automation
Route, label, and tidy mail automatically with plan-based rule limits.
05Available now
Templates
Reusable responses for the messages you write again and again.
06Available now
Calendar integration
Google and Outlook calendars connected next to your mail, with schedule preparation.
07Available now
Contact integration
Provider contacts synchronized independently for each connected account.
Halo features
For teams
01Available now
Shared Spaces
Shared workspaces for assignments, approvals, notes, and decisions on Teams plans.
02Available now
Workspace administration
Member roles, collaboration settings, and workspace appearance defaults.
03Available now
Centralized administration and audit history
Business plans add organization policies and audit visibility.
In practice
What a day with Halo looks like
Outcomes, not feature names.
Start with decisions, not unread counts
Your morning view is the handful of items that need judgment — a quote to approve, a reply to confirm, a follow-up to send — each with context and a prepared next step.
Clear the noise without losing the signal
Clean Up Sender archives a newsletter’s backlog while keeping receipts and account alerts. Quiet Sender mutes the chatty ones you still occasionally want.
Know who is waiting on you — and who owes you
The Waiting lane tracks threads where someone owes you an answer, and nudges are drafted when they go quiet too long.
Walk into meetings prepared
Connected calendars bring the relevant threads, commitments, and open questions into view before each event.
Run several inboxes as one workflow
Personal Gmail, work Outlook, an old Yahoo — one unified inbox that preserves each account’s identity, aliases, and signatures when you reply.
Find anything, across everything
Advanced search spans every connected account: messages, attachments, and the decisions connected to them.
The difference
Halo next to a traditional mail app
Traditional mail apps organize messages. Halo organizes decisions and commitments.
| Traditional mail app | Kahvor Halo |
|---|---|
| Organizes messages | Organizes decisions |
| Shows unread mail | Surfaces what requires attention |
| Offers writing assistance | Maintains thread and action context |
| Tracks inbox state | Tracks commitments and follow-ups |
| Leaves order emails in the inbox | Passes package context into Delivery |
Make it yours
An appearance system that stays out of the way.
Halo can feel personal without changing how it works. Appearance options vary by plan.
Personalities and modes
Choose the Professional, Calm, Focus personalities and Light, Dark, System modes. Scheduled and per-device appearance are available on Pro and above.
Detail controls
Density controls, Curated accents, Motion preferences, Accessibility support. Workspaces on Teams and Business plans can set shared defaults and approved accents.
Connections
Supported accounts and services
- GmailOAuth
- OutlookOAuth
- Yahoo MailOAuth
- iCloud MailApp-specific password
Calendar
- Google CalendarConnected account
- Outlook CalendarConnected account
Contacts
- Provider contactsEnabled and synchronized independently for each connected account
AI services
- OpenAI
- Anthropic
- Perplexity
Kahvor Delivery reads tracking information from shipment and order emails and supports tracking numbers from major carriers. Kahvor does not claim carrier partnerships.
Try Halo with your real inbox.
The free plan connects one account with core mail controls and limited AI. No card required.