Callro: Spam Call Blocker

Callro is a call blocking application that uses the Gauntlet Engine to analyze incoming calls in under 40 milliseconds. This engine consists of 26 layers and runs entirely on your device, ensuring that no data ever leaves your phone. This sets Callro apart from other call blocking apps, as it prioritizes user privacy and security.

What makes Callro different from other call blocking apps is its commitment to user privacy. It does not require access to your contacts or upload any data to the cloud. It also does not record any audio, only using call metadata for screening purposes. Additionally, Callro does not have any ads and charges a monthly fee of $9.99 to ensure that user data stays private. The only permission it requires is for Android Call Screening.

The app works by intercepting spam or robocalls before your phone even rings. The Gauntlet Engine then runs 26 screening checks in under 40 milliseconds to determine if the call is legitimate or not. If it is deemed spam, the call is silenced or blocked, while legitimate calls are allowed to ring through.

Callro is built for a variety of users, including seniors who are tired of receiving scam calls, adult children who want to protect their elderly parents from phone scammers, and anyone who receives robocalls or neighbor-spoofed numbers. It is also a great option for privacy-conscious individuals who do not want to share their contacts with an app.

Unlike other call blocking apps such as Truecaller, Hiya, and Robokiller, Callro does not upload contacts to their servers or store call data in the cloud. It only uses government-sourced spam databases from the FTC, FCC, and NANPA for screening purposes. This ensures that no contact harvesting, cloud processing, or data selling occurs.

Some key features of Callro include the 26-layer Gauntlet Engine, SIT Tone Defense which plays a disconnect tone to automated robocallers, Neighbor Spoof Detection which catches calls faking your area code, and integration with government databases. It also has a Shield Log for local call history, a Fortress Mode to temporarily allow all calls to ring through, and a one-tap whitelist for numbers you always want to receive. The app works automatically and requires no settings or maintenance.

Callro blocks a variety of scam calls, including Medicare, IRS, and Social Security scams, Amazon and warranty scams, robocalls, spoofed numbers, telemarketers, and political robocalls. It also offers a 7-day free trial and a monthly fee of $9.99, with no hidden fees. The app is built on a privacy-first architecture and does not require any contacts permission or cloud processing. Its full privacy policy can be viewed on their website. Callro is proudly built in St. Petersburg, Florida and aims to protect American families from phone scams.