KnowCall helps you take control of unwanted calls by giving you a private way to record and organize suspicious phone numbers. Many people receive repeated calls from scammers, telemarketers, or robocalls, and KnowCall provides a simple way to keep track of them. Instead of using automatic detection, it works as your own personal spam journal, allowing you to save numbers, add notes, and sort them into categories such as scam, telemarketing, or robocall. By logging calls manually, you build a trusted reference that helps you recognize patterns and stay cautious. All information is stored locally on your device, ensuring full privacy and control over your data. KnowCall does not block or record calls—it simply provides a safe and reliable space to track numbers you want to avoid. Designed to keep you informed and prepared, KnowCall makes it easier to stay aware of potential scams and pr…
Every shipping app on the App Store has gone through the same decisions you're working through right now: which screenshot goes first, what caption sits over it, which device frame to show, what color the background should be. The 6 screenshots above are Know Call +'s answers to those questions — they're public, they're real, and they made it through Apple's review.
Notice the first screenshot in particular. It's the one users see in search results and on the product page, and it's where most apps spend their best caption and tightest design. Look at the proportion of background to phone, where the text sits, what one thing the image is trying to communicate.
Want to see how other Utilities apps approach the same problem? Browse more Utilities apps in the showcase.
Open LaunchShots and design your App Store & Google Play screenshots — pick a device frame, drop captions, ship in minutes. Free, in your browser.
Open the screenshot editor →