14
I built a low-cost alternative to Skype for international calling ($0.01/min)
r/SideProject
5/20/2025
SAAS TOOLS
| SaaS | URL | Category | Features/Notes |
|---|---|---|---|
| CallSky | https://www.callsky.com | International Calling | - $0.01/minute calls |
- Pay-as-you-go credit system
- iOS app (Android coming soon)
- Calls to 180+ countries |
USER NEEDS
Pain Points:
- Loss of affordable international calling solution after Skype shutdown
- Need for low-cost international calling to landlines and cell phones
- Difficulty finding alternatives to Skype for business use
Problems to Solve:
- Need for affordable international calling solution
- Need for business-grade international calling solution
- Need for easy-to-use international calling app
Potential Solutions:
- Business subscription model with admin portal
- LinkedIn outreach to operations managers
- TikTok marketing strategy
GROWTH FACTORS
Effective Strategies:
- Leveraging App Store visibility for initial traction
- Focusing on specific niche (international calling)
- Developing mobile apps for key platforms
Marketing & Acquisition:
- TikTok marketing showing success
- App Store optimization for visibility
- LinkedIn outreach for B2B acquisition
Monetization & Product:
- Pay-as-you-go pricing model
- Potential business subscription model
- Feature development for admin portal
User Engagement:
- Building community through Reddit engagement
- Encouraging user feedback and suggestions