How to Make Free Calls Using Fast Call App | Full Guide
To make free calls using the Fast Call app, here’s a simple, step-by-step guide:

How to Make Free Calls on Fast Call
1. Install & Sign Up
Download Fast Call from Google Play
And check below you will see the link button
Sign up using your mobile number—registration grants you 800 free credits (approximately one 5-minute call) .
2. Earn More Credits
Invite friends to install the app to get another 5000 free credits .
Complete in-app tasks or watch videos to accumulate more credits for additional calling
3. Start Calling
Use either Wi-Fi or cellular data to make calls. The app supports calling even if the recipient has no internet—but VOIP capability is required on your end .
Each free-call session is capped at 5 minutes per credit, but you can stack multiple credits for longer conversations .
4. Enjoy Voice Quality
Fast Call uses stable, high‑quality VOIP codecs like G.729 and G.711, delivering clear sound even on international calls.
Example Flow
1Download and register → get 800 credits
2Invite one friend → receive 5,000 credits
3Complete optional in‑app tasks → earn extra credits
4Use app UI to dial a number → confirm you’re connected to data or Wi‑Fi
5Talk for up to 5 minutes (or stack credits for longer)
Disclaimer on “Free” Claims
The app operates on VOIP technology and relies on your device’s internet connection. While credit-earning features make calls free, unlimited or long-duration calling may require repeated tasks or invites, so keep realistic expectations.