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AI call assistant screen with real-time scam detection, call notes, and in-call suggestions on mobile

Private AI for Calls.

Don't trade your data for AI slop

Scam

How NAIL changes the game

AI companies can see your data.

We built one that cannot.

demo_with_thumb.mp4

Explore
the technology

NAIL uses on-device processing and confidential computing for both speech and text. Scam detection and basic AI features like transcripts run entirely offline. More advanced LLM powered features always keep data encrypted — inference runs inside a secure enclave (TEE), isolated from the OS, infrastructure provider, and any human access.

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Access to frontier models is for reference only: standard TLS in transit — inference runs unencrypted. Do not use with real calls.

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01

Scam Detection

Get alerts and disconnect scam calls in real time  — before you share personal information or verification codes.

Concerned elder woman talking on smartphone with scammers, holding credit card and sharing
Concerned elder woman talking on smartphone with scammers, holding credit card and sharing

02

Call Productivity

Get stuff off your plate: LLMs can take notes, write follow-ups, update calendars or pull up relevant information and more

Businessman, phone call and stress in city with chaos, documents and overworked for late a
Businessman, phone call and stress in city with chaos, documents and overworked for late a

03

Business Workflows

Capture the full opportunity of every customer call — orders, follow-ups, branded visuals, analytics. Ready before you'd even start.

Male florist is talking on the phone with client and at the same time holding daffodils in
Male florist is talking on the phone with client and at the same time holding daffodils in

04

Beyond the Obvious

Create and share illustrations as you speak. Get support during a job interview. Let LLM absorb the rejection and write a follow-up that wins you an offer.

Portrait of happy african young woman talking on cellphone in
Portrait of happy african young woman talking on cellphone in
Joyful woman in a striped knit sweater talking on her phone with a wide smile, enjoying a
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Ready to experience private AI?

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Explore the app

Discover personalized agent nailing in-call and follow-up tasks, real-time scam detection and more.

  • Image by Ed Parker
    Cafe Staff Working

    ⚠️ Scam

    7pm

    2 Guests Ayhan

    Asian senior woman using smartphone,old elderly checking their banking app,appearing conce
    Asian senior woman using smartphone,old elderly checking their banking app,appearing conce

    OTP: 204763

    Cafe Staff Working
  • Businessman, phone call and stress in city with chaos, documents and overworked for late a

    Q2 kick off

    Into Actions

    Turn Words

    Businessman, phone call and stress in city with chaos, documents and overworked for late a

    Monday 3pm

    1774842671977197.mp4
  • Male florist is talking on the phone with client and at the same time holding daffodils in

    Wedding confirmed

    June 11 · 3 PM
    Roses · Arch + Decor

    Handyman taking notes in notebook while talking with client on mobile phone in carpentry w
    Handyman taking notes in notebook while talking with client on mobile phone in carpentry w

Be realistic. Demand the impossible!

  • Confidential inference costs more and blocks companies from training on your data. Protect your privacy - because no one else will.
  • Confidential inference costs more and blocks companies from training on your data. Protect your privacy - because no one else will.
  • Confidential inference costs more and blocks companies from training on your data. Protect your privacy - because no one else will.

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Get updates and info to keep you going on your privacy journey.

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