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Best Firewall alternatives: apps like Firewall - Spam Call Blocker

10+ similar apps compared and reviewed

4.1 avg rating
10 free apps
Updated October 2026
Firewall - Spam Call Blocker
🔧 Utilities
📊 Productivity

Looking for something like Firewall? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Firewall

Numbo: Scam Call ID & Lookup#1

Numbo: Scam Call ID & Lookup by Numbo s.r.o.

Spam Shield & Caller Protect
Editor's Choice
🔧 Utilities
4.3😐(771 ratings)
FreeIn-App Purchases
Numbo: Scam Call ID & Lookup screenshot 1
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Numbo: Scam Call ID & Lookup screenshot 6

This app helps you identify and block unwanted calls and texts. It uses a large database of spam numbers to filter out scam, telemarketing, and robocalls, protecting your time and privacy. You can also create a personal blocking list and filter spam SMS messages.

What We Love

  • 🚀 Effective call blocker
  • 👍 User-friendly interface
  • 🔒 Protects from spam/scam calls
  • 💡 Community-driven database

Room to Improve

  • 🐛 Database updates fail/crash
  • 🤔 Inconsistent call blocking performance
  • ⚠️ Aggressive blocking of legitimate calls
  • 💰 Subscription-only model
Spam Call Blocker by RoboGuard#2

Spam Call Blocker by RoboGuard by 11259164 Canada Inc

Stop 99% of Scams & Robocalls
Strong Contender
🔧 Utilities
4.6😐(533 ratings)
FreeAdsIn-App Purchases
Spam Call Blocker by RoboGuard screenshot 1
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Spam Call Blocker by RoboGuard screenshot 5

This app automatically blocks unwanted spam, scam, and robocalls on your iPhone. It protects your privacy by blocking calls directly on your device and offers features like custom block lists, reverse phone lookup, and neighbor spoof protection. Stay protected with continuously updated spam lists and a system that learns from user reports.

What We Love

  • 🚀 Effective at blocking spam calls
  • 🔒 Provides a sense of security
  • 👍 Reduces nuisance calls
  • 👍 Works well after initial setup

Room to Improve

  • 🐛 Occasional issues with app stability and updates
  • 🔒 Privacy concerns with tracking permissions
  • 💰 Expensive subscription model
  • 🤔 Inconsistent performance for some users
Robo Shield: AI Spam Filter#3

Robo Shield: AI Spam Filter by AnchorFree Inc.

Block Unknown Caller ID Scams
Worth Considering
🔧 Utilities
2.8😞(55 ratings)
FreeIn-App Purchases
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This app uses artificial intelligence to screen incoming calls, distinguishing legitimate calls from spam, robo callers, and scams. It acts as a personal call assistant, identifying unknown callers and providing detailed information about each call.

What We Love

  • 🚀 Works well to block spam calls
  • 🔒 Provides detailed caller information
  • 👍 Useful feature to mark and block spam numbers

Room to Improve

  • 🐛 App crashes or shows blank screen
  • 🔒 Concerns about privacy and data usage
  • 👎 Subscription required for full functionality
  • 💤 Does not automatically block all spam calls

More apps like Firewall

4
Textkiller - Spam Text Blocker
Textkiller - Spam Text Blocker
Textkiller - Spam Text Blocker
Block Unwanted Messages
Free

This app automatically blocks unwanted spam text messages, protecting you from scams and telemarketing. It offers customizable filtering options, a constantly updated global block list, and a privacy-first approach to keep your inbox clean and your personal information secure.

Automatic spam text eliminationGlobal block list updated constantlyPredictive SMS blocking algorithm
🔧 Utilities
(13K)
free with in-app purchases
Compare with Firewall
5
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Call Filter & Scam Shield
Free

This app blocks unwanted robocalls, telemarketers, spam texts, and scammers from reaching your phone. It identifies and filters out millions of malicious callers daily, while allowing important alerts to get through. Enjoy peace of mind with real-time protection and customizable blocking options.

Real-time robocall blockingIdentifies new robocallers dailyAllows important alerts
🔧 Utilities
(22K)
free with in-app purchases
Compare with Firewall
6
Robocall Blocker - Roblock
Robocall Blocker - Roblock
Robocall Blocker - Roblock
Stop Spam Calls, Filter Text
Free

This app blocks unwanted spam and robocalls, and filters spam text messages. It features a large, community-updated database of spam numbers and allows users to choose between identifying or completely blocking calls. Contacts are never blocked.

Block spam callsFilter spam SMSLarge spam number database
🔧 Utilities
(411)
freemium
Compare with Firewall
7
Spam Text & Call Blocker
Spam Text & Call Blocker
Spam Text & Call Blocker
Finally free from the nonsense
Free

This app helps you block unwanted spam calls and text messages. It warns you about risky numbers in real-time and allows you to add numbers to a shared database for enhanced protection. Create your own block lists for personalized security.

Real-time risky number warningsOne-tap call blockingAdd spam numbers to database
🔧 Utilities
(14)
free with in-app purchases
Compare with Firewall
8
Spam Call Blocker - Caller ID
Spam Call Blocker - Caller ID
Spam Call Blocker - Caller ID
Block Robocalls & Scam Calls
Free

This app helps you avoid unwanted calls from telemarketers, scammers, and robocallers. It identifies unknown callers and allows you to block them, saving you time and frustration. Access an extensive database of verified spam numbers and look up unfamiliar numbers before you dial.

Verified spam number databaseDaily database updatesPhone number lookup
🔧 Utilities
(573)
free with in-app purchases
Compare with Firewall
9
Robo Spam Text & Call Blocker
Robo Spam Text & Call Blocker
Robo Spam Text & Call Blocker
Block & Filter Message Spammer
Free

This app provides immediate relief from robocalls, telemarketing, and spam text messages. It blocks unwanted calls and messages, including those using neighbor spoofing, and also prevents spam and ads in your Safari web browser. Enjoy a risk-free trial before subscribing to a service that reduces unwanted calls by up to 99%.

Blocks robocalls and telemarketing callsFilters spam text messagesBlocks Safari browser ads and popups
🔧 Utilities
(5K)
free with in-app purchases
Compare with Firewall
10
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Caller ID & Spam Call Blocker
Free

This app blocks unwanted calls from telemarketers, scammers, and spammers. It provides caller ID information for suspicious numbers and automatically blocks high-risk callers. You can also perform free reverse phone lookups for numbers in the US and Canada.

Automatic spam call filterCaller ID for risky numbersReverse phone lookup
🔧 Utilities
(32K)
free with in-app purchases
Compare with Firewall
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