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CSipSimple vs Hourglass

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

CSipSimple icon
CSipSimple
Hourglass icon
Hourglass

CSipSimple vs Hourglass: The Verdict

⚡ Summary:

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.

Hourglass: Hourglass is a lightweight time tracking application for Windows, Mac and Linux. It allows you to track time spent on tasks and projects with features like customizable categories, reports, and productivity analytics.

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 CSipSimple Hourglass
Sugggest Score — —
Category Social & Communications Office & Productivity
Pricing Open Source Freemium

Product Overview

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

Hourglass
Hourglass

Description: Hourglass is a lightweight time tracking application for Windows, Mac and Linux. It allows you to track time spent on tasks and projects with features like customizable categories, reports, and productivity analytics.

Type: software

Pricing: Freemium

Key Features Comparison

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
Hourglass
Hourglass Features
  • Time tracking with start/stop timer
  • Customizable categories and projects
  • Productivity analytics and reports
  • Available on Windows, Mac and Linux

Pros & Cons Analysis

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
Hourglass
Hourglass

Pros

  • Lightweight and easy to use
  • Great for tracking billable hours
  • Open source and free

Cons

  • Lacks advanced features like invoicing
  • Mobile app only available on Android
  • Can be difficult to organize large projects

Pricing Comparison

CSipSimple
CSipSimple
  • Open Source
Hourglass
Hourglass
  • Freemium

Related Comparisons

Learn More About Each Product

CSipSimple
CSipSimple
Reviews, pricing & alternatives →
Hourglass
Hourglass
Reviews, pricing & alternatives →

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