Know what your app really does.

Real-time events, crash reports and funnels for iOS and Android — through one lightweight SDK that ships in minutes.

live events · prod● streaming
app.openios · 1.8.2
checkout.startandroid
purchase ✓$24.00
crash.caughthandled
session.end142s
Everything you need

From first launch to crash-free release.

Realtime events

Stream user actions and custom events with sub-second latency.

Crash reporting

Symbolicated stack traces grouped by root cause, with release tracking.

Funnels & retention

See where users drop off and who comes back, without SQL.

Privacy-first

No ad IDs, no fingerprinting. GDPR-ready by default.

Lightweight SDK

Under 80KB, zero main-thread work, batched uploads.

Alerts

Get paged when a new crash spikes or a funnel drops.

import Beacon from '@appbeacon/sdk' Beacon.init({ key: 'key_live_…' }) Beacon.track('checkout.start', { cart: 3 })