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Case study · Sales and events productivity

How we built Plugd.

A free Android app that scans business cards, QR badges and NFC cards at events and turns them into a lead list.

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Client
Plugd
Industry
Sales and events productivity
Market
Global
Engagement
Android app with AI
Platforms
Android 7.0 and later on Google Play; iPhone announced
Free no subscription and no scan limits
What we delivered
Mobile app developmentAI developmentOffline-first engineering
The brief

The problem to solve.

After a conference, follow-up waits on a stack of cards and badge scans that take a weekend to type up.

“Scan. Saved. Sorted.”The promise Plugd makes to its users
Our approach

From brief to launch.

  1. 01

    Insight

    After events, follow-up waits on a stack of cards and badge scans.

  2. 02

    Design

    Designed hands-free scanning and one list per event.

  3. 03

    Build

    Built card, QR and NFC capture with voice notes and exports, offline first.

  4. 04

    AI

    Let users pick their AI provider and bring their own key, so the app stays free.

The solution

What we shipped.

Hands-free scanning of both sides of a card, plus QR badges and NFC

Voice notes transcribed into each contact

Hot, warm and cold tags; one list per event; duplicate flags

Export to Excel, CSV for CRM import and vCard

Call, email or WhatsApp from a contact

Offline capture, with card reading when back online

Where AI does the work

  • Card reading with the user’s choice of Gemini, OpenAI, Claude or OpenRouter
  • Bring-your-own API key, so the app stays free with no scan limits
Under the hood

Engineering choices.

Native Android app; siteGitHub Pages
  • Offline-first mobile app
  • Pluggable AI providers
  • Privacy-first design with on-device storage
Results

Where it is today.

PriceFree, no subscription, no scan limits
PrivacyNo account, no ads or analytics, contacts stay on the phone

Figures as published by Plugd on plugd.repliantai.com, 22 October 2026.

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