Silent Line
iOS app by M1 Real Estate Holdings, LLC. Utilities · M1 Real Estate Holdings, LLC
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.1
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
Your phone should only ring when it’s someone you actually want to talk to. Silent Line blocks spam calls before they can interrupt your day. It works directly with Apple’s built-in call blocking to silently decline matched spam numbers. Your phone won't ring, your music won't stop, and your screen won't light up. READY FROM DAY ONE We’ve pre-loaded Silent Line with the busiest known spam exchanges nationwide, sourced straight from the FTC’s public Do Not Call complaint data. You get bulk spam protection the moment you install the app. YOUR CONTACTS ALWAYS COME FIRST Before applying any block list, Silent Line automatically safely excludes every number saved in your Contacts. You will never accidentally silence a friend, family member, or colleague. THE 'MUST-ANSWER' SAFE LIST Some calls you just can't afford to miss. We built in a permanent, always-on safe list for published numbers from the IRS, Medicare, Social Security, major banks, airlines, and pharmacies. No matter what else you block, these will always ring through. BLOCK ROTATING SCAMS Spammers rarely use the same number twice; they cycle through thousands of numbers in an "exchange" they control. Silent Line lets you block an entire exchange (all 10,000 numbers sharing the same first six digits) so the scammer's next attempt is stopped before they even dial it. STOP "NEIGHBOR SPOOFING" Tired of spammers faking their caller ID to match the first six digits of your own number? Silent Line can shut that down entirely, smartly checking your contacts first to ensure your actual neighbors can still reach you. TWO LEVELS OF PROTECTION You are in control. Set numbers you are certain are spam to be blocked silently. For numbers that are just suspicious, you can let them ring through with a warning label on your screen so you can decide. NUMBER LOOKUP Curious why a call was blocked (or allowed)? Type in any number and see exactly how Silent Line handles it and why. FIX YOUR VOICEMAIL, TOO No app can stop a spammer from leaving a voicemail—only your carrier can do that. Fortunately, every major carrier offers free network-level blocking that usually just needs to be turned on. We include step-by-step setup guides for Verizon, AT&T, T-Mobile, Google Fi, and UScellular. 100% PRIVATE BY DESIGN Everything stays on your device. We require no accounts, use no servers, and have zero analytics or tracking. Nothing you block, allow, or look up is ever uploaded or shared. LET'S BE HONEST: WHAT WE CANNOT DO Apple caps all call-blocking apps at 2,000,000 numbers and prevents apps from seeing your incoming call history. Because of this privacy rule, Silent Line cannot show you a log of what it blocked, and it won't catch every brand-new spam number on first contact. No app can honestly promise to stop every single spam call. Silent Line is built to be totally transparent about that, while working quietly in the background to stop as many as your iPhone allows.
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