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

Nummio - Multi Number Calling & Texting App (React Native) - 1

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

Nummio - Multi Number Calling & Texting App (React Native) - 2

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

Subscriptions — Starter/Pro/Team with included minutes/SMS.
Token/Credit packs — prepaid usage for calls & SMS.
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)

Unzip package & open docs
Configure environment variables (API keys, Firebase, Twilio)
Deploy Node.js API (VPS/Cloud)
Set branding (name, icon, colors, splash)
Build Android APK/AAB & iOS IPA
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.

Nummio - Multi Number Calling & Texting App (React Native) - 3

Changelog

v1.0.3 — 25 November 2025

1. Nummio update 1.0.2
Added:
1. Added report user option in chat.
2. Added a dummy profile image.
3. Added chat delete functionality.
4. Added user info in outgoing, incoming calls, and in chat.
Fixed:
1. Fixed Subscription functionality.
2. Fixed Tokens functionality.
3. Fixed messaging functionality
4. Fixed memory leak issues in call tracking.
5. Fixed socket connection stability.
6. Fixed SMS push notification delivery.
7. Fixed message list real-time updates.
8. Fixed token balance update delays.
9. Fixed number release on subscription cancellation.
10. Fixed balance update synchronization.
Update
1. Updated all required libraries.
2. Update Gradle and Android Build tools.
3. Updated @twilio/voice-react-native-sdk to version 1.5.0.
4. Updated all CocoaPods dependencies for iOS.
5. Update Twilio credentials configuration.

v1.0.2 — 03 Sep 2025

1. Nummio update 1.0.2
2. Release Notes
3. Minor Fixes and Improvements

v1.0.1 — 28 Aug 2025

1- Updated the server
2- Improved Performance and Updated
3- Minor fixes and Improvements

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

Nummio - Multi Number Calling & Texting App (React Native)