Number Shield 4+

Stop caller ID spoofers

Kinnaman Software LLC

    • $0.99

iPhone Screenshots


Now blocks text messages, too!

Block annoying scammers who hide behind fake phone numbers.

Do you get unwanted calls or text messages from phone numbers similar to your own? With Number Shield, block an entire group of numbers at once. Just enter a wildcard for each digit you want to block.

For example, if your number is 714-555-1234, scammers might use a number like 714-555-6789. Block all similar numbers by entering 714-555-####. Wildcards and numbers can be combined in any order you choose. Block international numbers, too!

Use the "Allow Contacts" option to make sure you don't miss calls from your family and friends.

Block numbers directly from your phone's missed calls screen. Just follow these steps:

1. Tap the “ i ” button next to the missed call.
2. Tap “Share Contact”.
3. Tap “Block Similar Numbers”. (If you don't see this action, tap “Edit Actions...“ to enable it.)
4. Now you'll see the Number Shield number entry screen. Tap “Done” to block calls from similar numbers.

Please note:

• Each number pattern can contain up to 7 wildcards, and up to 50,000,000 phone numbers can be blocked.
• Blocked calls are sent directly to voice mail.
• Blocked text messages are sent to the “Junk” filter in the Messages app.
• iMessage messages are not blocked.
• When “Do Not Disturb” is enabled on your phone, calls that should be blocked may appear in your phone's list of missed calls.

More information about caller ID spoofing in the United States is available from the FCC:

What’s New

Version 3.0

Added text message blocking.

Ratings and Reviews

4.5 out of 5
861 Ratings

861 Ratings

Roughmatter ,

It works

It blocks the calls that you tell it to block. Needs an option to cancel the “blocking numbers” process. It requires the phone to be on and the app to be open. Takes at least 15 minutes. I typed in a wrong number and now have to wait until the numbers have been blocked, then wait again to have the number unblocked, then wait again to have the correct numbers blocked. Ugh.

DLW15 ,

Great App

This is still one of the best cures for robocalls. I’m surprised it doesn’t get mentioned more in the press. My original review is shown below.

This app is just what I was looking for. There are several highly rated subscription apps that handle robocalls and known scammers. However, I don’t get so many calls that I mind manually blocking these calls. What drives me nuts, however, are the calls from a range of numbers that are probably coming from the same entity. This app is perfect for this situation. I have been trying to keep the ranges down to a few thousand numbers because I think the developer said that Apple will only allow one million blocked numbers. No problem—this should do the trick. Did notice one glitch when setting up my iPhone X. The second number entered will keep the app loading. To fix this I just force quit the app, and all subsequent numbers entered fine.

Developer Response ,

Thanks for the great review.

Animalsrkool3 ,

Best Call Blocker for Neighborhood Spoofing

Best $0.99 I have ever spent. No more neighborhood spoofing calls.
I was part of the equifax data breach so all my information including my phone number was leaked. I was getting 15 spam calls a day, most of the neighborhood spoofing (first 6 digits of your phone number). I was at my wits end until I read about this app.
When you put your phone on do not disturb you can see missed calls from numbers you have blocked using this app. I am a night shift worker so whenever I wake up from sleeping I always see at least 1 neighborhood spoofing call in my call history which reminds me how well this app is working.

Developer Response ,

Glad to hear Number Shied is helping protect you from those obnoxious neighbor spoofing calls!

App Privacy

The developer, Kinnaman Software LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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