Great Calling App, HD Voice Quality over WiFi, Global Calls with No Roaming Fees.
Free Call to anyone, any phone number worldwide, even if he doesnt have Duo Phone Call App
Free Call via WiFi or cellular data, no cell minutes used.
Download this VOIP phone call app & enjoy cheap global calls to any mobile & landline!
Completely FREE CALL
100% Free global phone call. No contract, no hidden fees.
Unlimited Call Credits
Watch videos to earn free credits. You have several options for earning credits, the simplest requires just one tap. Earn more credits by completing some fun tasks. Its totally free as you use it more. By the way, if you do not want to earn credit, you also can buy credit for calls.
International Call to over 230 countries
Make cheap International calls to anyone in 230 countries. Save up to 90% off cheap international calling rates to India, Indonesia, Brazil, China, Nepal, Thailand and UAE, Kuwait, Philippines and more.
Clear and stable calling
Dial away and make high quality phone calls with voice quality thats as clear as a phone call from a landline!
Hide Truecaller id
Make fake phone numbers or fake calls, keeping your information secure and private. Download Duo Call to make calls private and easy.
Free Calls across Any Device
Work across mobile, tablet or any smart device. Support Samsung, LG, Huawei, Xiaomi, Nexus, Vivo, Oppo, TCL, Micromax, Realme, Motorola, all supported.
We are excited to hear your feedback on the app!
Contacts Us: [email protected]