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Kannel vs TextNow

Professional comparison and analysis to help you choose the right software solution for your needs.

Kannel icon
Kannel
TextNow icon
TextNow

Kannel vs TextNow: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Kannel TextNow
Sugggest Score
Category Network & Admin Social & Communications
Pricing Open Source

Product Overview

Kannel
Kannel

Description: Kannel is an open source WAP and SMS gateway that enables sending and receiving SMS messages to/from various devices and interfaces with various messaging protocols. It allows building SMS services and applications quickly and efficiently.

Type: software

Pricing: Open Source

TextNow
TextNow

Description: TextNow is a free texting and calling app and service. It provides a free phone number to send SMS messages and make phone calls over Wi-Fi. The basic service is ad-supported, but premium options without ads are available.

Type: software

Key Features Comparison

Kannel
Kannel Features
  • SMS gateway functionality
  • Support for multiple protocols (SMPP, UCP/EMI, CIMD2, OIS, HTTP)
  • Built-in SMSC (Short Message Service Center) functionality
  • Support for long SMS messages
  • Tools for parsing, validating, encoding SMS messages
  • APIs for integrating with external apps and services
  • Load balancing and redundancy capabilities
  • Support for SMS over SS7 and SIGTRAN networks
  • Tools for SMS routing, filtering, throttling
  • Support for SMSC emulation and interconnecting
  • Tools for monitoring, statistics, troubleshooting
TextNow
TextNow Features
  • Free phone number
  • Free calling and texting over WiFi
  • Voicemail
  • Call forwarding
  • Conference calling
  • Group messaging
  • MMS picture messaging

Pros & Cons Analysis

Kannel
Kannel
Pros
  • Open source and free
  • High performance and scalability
  • Support for many protocols and interfaces
  • Flexible and customizable
  • Active development community
  • Modular architecture
  • Reliable and stable
  • Wide protocol support
  • Easy integration
Cons
  • Complex configuration
  • Steep learning curve
  • Limited built-in web interface
  • Need for expertise in telecom protocols
  • Not ideal for non-technical users
TextNow
TextNow
Pros
  • Free basic service
  • No contract required
  • Works over WiFi
  • Can port existing number
  • Good call quality
Cons
  • Limited cellular minutes
  • Data charges may apply without WiFi
  • Ads in free version
  • Limited advanced features in free version

Pricing Comparison

Kannel
Kannel
  • Open Source
TextNow
TextNow
  • Not listed

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