SendNumber, share page numbers

Keep everyone on the same page – literally

SendNumber synchronizes page numbers in real-time across multiple devices. One device controls, all others display – perfect for classrooms, presentations, and group activities.

What You Can Do

Create Sessions

Start a session in seconds, share a QR code, and connect unlimited devices wirelessly.

Control Page Numbers

Use simple +/- buttons to navigate. All connected devices update instantly in real-time.

Join Sessions

Scan the QR code or enter a 6-digit session ID to join any active session immediately.

Customize Display

Adjust font size from 80px to 500px

Choose custom colors for background and text

Select from multiple display styles: Classic, Minimal, Card Format, or Fullscreen

Apply design presets: Chalkboard, Whiteboard, Night Mode, or High Contrast

Password Protection

Secure your sessions with optional passwords to control who can join.

Sound Notifications

Enable optional sound alerts when page numbers change for better awareness.

Pause & Resume

Pause sessions during breaks without disconnecting participants.

Multiple Participants

Connect multiple devices simultaneously – perfect for group learning and large presentations.

Quick Reconnect

View and rejoin recently used sessions with a single tap from the home screen.

Switch Roles

Use any device as controller or display – switch anytime as needed.

Key Features

No registration required

No personal data collected

QR code for instant joining

Real-time synchronization

Works on Android & iOS

GDPR compliant

Auto-delete after 24 hours

Multi-language support (English & German)

Perfect For

Teachers keeping students synchronized during lessons

Presenters controlling multiple screens

Book clubs reading together remotely

Workshops guiding participants through materials

Training sessions with multiple attendees

Languages

English (complete localization)

German (vollständige Lokalisierung)

Auto-detect system language

Download SendNumber now and experience seamless page synchronization