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Contacts+ vs CSipSimple

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

Contacts+  icon
Contacts+
CSipSimple icon
CSipSimple

Contacts+ vs CSipSimple: The Verdict

⚡ Summary:

Contacts+ : Contacts+ is a contact and customer relationship management (CRM) software designed for small businesses. It allows users to organize, track, and manage contacts, deals, tasks, notes, and more in one place.

CSipSimple: CSipSimple is an open source SIP client for Android that allows you to make VoIP calls over Wi-Fi or mobile data. It supports common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing, etc.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Contacts+ CSipSimple
Sugggest Score
Category Business & Commerce Social & Communications
Pricing Open Source

Product Overview

Contacts+
Contacts+

Description: Contacts+ is a contact and customer relationship management (CRM) software designed for small businesses. It allows users to organize, track, and manage contacts, deals, tasks, notes, and more in one place.

Type: software

CSipSimple
CSipSimple

Description: CSipSimple is an open source SIP client for Android that allows you to make VoIP calls over Wi-Fi or mobile data. It supports common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing, etc.

Type: software

Pricing: Open Source

Key Features Comparison

Contacts+
Contacts+ Features
  • Contact management
  • Deal and opportunity tracking
  • Task and activity management
  • Note-taking and file attachments
  • Calendar and scheduling
  • Reporting and analytics
  • Mobile app for iOS and Android
  • Integrations with popular apps
CSipSimple
CSipSimple Features
  • VoIP calling over Wi-Fi or mobile data
  • Support for common SIP features like call transfer, call forwarding, call waiting, 3-way conferencing
  • Video calling support
  • Call recording
  • Encryption using SRTP and ZRTP
  • NAT traversal using STUN, TURN, ICE
  • Voicemail support using SIP MESSAGE
  • Caller ID support
  • Contacts integration
  • Call history
  • Auto answer

Pros & Cons Analysis

Contacts+
Contacts+

Pros

  • Intuitive and user-friendly interface
  • Comprehensive contact and deal management features
  • Affordable pricing options
  • Customizable to fit small business needs
  • Mobile app for on-the-go access

Cons

  • Limited customization options for advanced users
  • Lacks some advanced CRM features found in enterprise-level solutions
  • Occasional syncing issues with third-party integrations
CSipSimple
CSipSimple

Pros

  • Free and open source
  • Full SIP protocol support
  • Good call quality
  • Lots of features
  • Active development community

Cons

  • Setup can be complex for less technical users
  • Missing some features of proprietary apps like visual voicemail
  • Some stability issues reported
  • No native iOS app

Pricing Comparison

Contacts+
Contacts+
  • Not listed
CSipSimple
CSipSimple
  • Open Source

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