Nummio – Multi Number Calling & Texting App (Android/iOS)

Build your own Twilio-powered second-number app. Users can buy numbers in supported countries, make/receive calls, send/receive SMS, and subscribe to plans – all with your branding.

Landing Page (Demo Video) | Documentation | Support

Why Nummio?

• Launch fast: production-ready React Native app + Node.js API.
• Multi-number: buy/manage local, toll-free, or mobile numbers in supported regions.
• Monetize: plans, token/credit packs, and number markups.
• White-label: your name, logo, colors, copy — your brand first.
• Scalable: Firebase Auth/FCM + modular Node backend patterns.

Key Features

• Multiple Numbers: Buy, label, and switch between numbers; per-number inbox and call logs.
• Voice Calling: High-quality calls, dial pad, recent calls, caller ID (Twilio).
• SMS Messaging: Threaded conversations, quick reply, per-number filters.
• Monetization: Subscriptions (monthly/annual), token packs, country-wise markups.
• Clean UI: Login/OTP, Numbers, Call, SMS, Logs, Billing, Profile.
• White-Label: Rename, recolor, replace icons/splash, app copy, and store listing.

What’s Included

Mobile App (React Native)

• Auth (Email/Password, Google, Sign in with Apple)
• Buy/manage numbers (local, toll-free, mobile where supported)
• Call screen, dial pad, call logs
• SMS inbox & threads
• Subscriptions & token/credit purchase UI
• Settings/Profile screens

Backend (Node.js API)

• Secure endpoints for number search/purchase, calls, SMS
• Twilio integration (provisioning, voice & messaging)
• Token/credit accounting hooks
• Extensible service structure & config templates

Docs & Assets

• Setup & environment templates
• Branding placeholders (icons, splash)
• Store-submission checklist
• Lifetime updates per marketplace policy

Who Is This For?

• Agencies & freelancers launching white-label second-number apps
• Startups needing sales/support lines per brand or region
• Teams managing campaign numbers and attribution
• Remote/Travel workflows using local numbers in supported countries

Monetization Options

1. Subscriptions — Starter/Pro/Team with included minutes/SMS.
2. Token/Credit packs — prepaid usage for calls & SMS.
3. Number markups — margin over provider cost (country/capability wise).

Note: Telephony provider (e.g., Twilio) usage fees are billed separately by the provider.

Tech Stack

• Frontend: React Native (Android & iOS)
• Backend: Node.js (Express), modular services
• Cloud: Firebase (Auth, FCM; Realtime DB compatible)
• Telephony: Twilio (number provisioning, Voice, SMS)

Requirements

• Twilio account with appropriate capabilities for your target countries
• Firebase project (for Auth & push notifications)
• Server/VPS or hosting for the Node.js API
• Apple & Google developer accounts (for publishing)

Quick Setup (High Level)

1. Unzip package & open docs
2. Configure environment variables (API keys, Firebase, Twilio)
3. Deploy Node.js API (VPS/Cloud)
4. Set branding (name, icon, colors, splash)
5. Build Android APK/AAB & iOS IPA
6. Submit to Google Play & App Store

Not Included

• Third-party usage charges (Twilio, app store fees, etc.)
• Custom feature development (available as a paid service)
• Publishing accounts (Apple/Google must be yours)

FAQ

Is it worldwide?
Coverage depends on provider support per country/region and compliance requirements.

Can users keep multiple numbers?
Yes — users can buy, label, and switch between several numbers.

How are calls/SMS billed?
Usage fees are billed by the telephony provider (e.g., Twilio). You control your plan pricing/markups.

Can I white-label it?
Absolutely — app name, colors, icons, copy, and store listings are fully brandable.

Do you provide customizations?
Yes, we offer paid custom development, integrations, and UI work. Contact us with your scope.

Support & Updates

• Ticket-based support via contact form
• Bug fix releases and maintenance updates
• Documentation improvements over time

Support scope follows Envato marketplace policy. Custom work is quoted separately.

Changelog

v1.0.0 — 15 Aug 2025
• Initial release: React Native app (Android/iOS) + Node.js API
• Twilio integration (numbers, voice, SMS)
• Subscriptions, token/credit packs, number markups
• Auth, call logs, SMS threads, profile, settings