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Protect yourself and stop unwanted calls from telemarketers, spammers, and scammer with Spam Defender!
• Download our call blocker app for FREE
• Stop unwanted calls from telemarketers & spammers
• Best Reverse phone number lookup, land line and mobile phone
• Add phone numbers to your personal black list
• Filter SMS spams with certain keywords
• Daily updates with new list of suspicious callers and robo calls
• Frequently updated algorithm to fight spams and unwanted calls. 
• We do not ask for your number or access to yours contacts, we respect your privacy!

This utility app helps you fend off aggressive callers who only want to disturb your peace and privacy. We will automatically block numbers coming from suspicious sources. If you are looking for robo call blocker, try our app now!
Telemarketers, spammers, and scammers take a lot of our time and can be dangerous for our privacy and security. This is why you need a powerful app to stop unwanted calls and block unknown callers. We always update our list of suspicious numbers to protect you from these annoying callers. We protect you from spam calls!

To be able to use our app please set up your phone:
• Enable Spam Identification and Blocking on iOS 10 by going to Settings-> Phone-> Call Blocking & Identification
• Enable SMS Filtering on iOS 11 by going to Settings-> Messages-> Unknown & Spam
We always add new suspicious numbers to block so please update Spam Defender frequently to be able to get the latest list of suspicious numbers so you can always be protected against spammers without opening our app.
Auto renew subscriptions
Spam Defender offers three subscriptions
A monthly subscription,
A semestral subscription
and an annual subscription.
Each subscription unlock all the features:
Probably the best caller ID
Stop Spam SMS
Reverse Number Loockup
Please read our Terms and Conditions below before you subscribe: 

Monthly subscription includes a free trial. You will not be charged until the free trial has expired. On the last day of the free trial period, unless you cancelled your subscription, you will be automatically charged the applicable subscription fee. The purchase will be charged to your iTunes account.
If you purchase the service, you will be charged a monthly, semesterly or yearly price according to your country and which item you purchase. The price will always be shown in the app before you complete a purchase.
Once you're a subscriber, you can manage your subscription from iTunes or on your iOS unit after purchasing it, and you'll also be able to cancel the auto-renewing subscription from there.

On your iPhone, iPad, or iPod touch:
1 On the Home screen, tap Settings.
2 Tap iTunes and App Store.
3 Tap your Apple ID.
4 View Apple ID. You might need to sign in.
5 Under Subscriptions, tap Manage. If you don’t see a subscription in iTunes and are still being charged, make sure that you’re signed in with the correct Apple ID.
6 Tap the subscription that you want to manage.
7 Use the options to manage your subscription. You can choose a different subscription period, or turn off Automatic Renewal.
Turn off Automatic Renewal to cancel a subscription. Your subscription will stop at the end of the current billing cycle. 
 Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription.
Deleting the app does not cancel the subscription. You can, however, cancel a subscription even after you've deleted the app.

The subscription will auto-renew 24 hours before the subscription period ends, with the same kind of subscription you already bought, to the same price.

For more information about the terms of use, please visit: 

What’s New

Version 2.0.5

Minor bugs fixed

Ratings and Reviews

4.6 out of 5
36 Ratings

36 Ratings

Bentapair ,

Extremely good

I am a businessman and in recent days I am receiving more fake calls and unwanted calls from various services. I am tired of attending them and I couldn’t ignore them as my clients can try to reach me out from different numbers. I have used this app and it is very useful for me

JuanLPrather ,

Vote 5 stars

Most of the people use this call blocking app to block the unknown numbers from calling or texting you. The app will make sure that you won’t get disturbed from spam callers, telemarketers, or any other number you want to avoid

JanetRMcKnight ,

You should try it

The numbers can be added to Blacklist and you can select whether you want to block the text messages, calls or both.


luca pradella
37 MB

Requires iOS 12.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Italian

Age Rating
In-App Purchases
  1. Defender+ $0.99
  2. Six Months Subscription $4.99
  3. Annual subscription $8.49


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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