SMS Filter cleans up junk or spam SMSs by using a curated list of spam keywords across different categories. You can add your own block list of keywords or phone numbers to filter spam. If any SMSs have to be always allowed you can add specific keywords to the whitelist as well (like OTP, verification code etc)

SMS Filter is private and never sends any of your SMSs over the network.

How to enable SMS Filter
1. Open Settings App
2. Tap on Messages
3. Tap Unknown and Spam
4. Enable SMS Filter

SMS Filter is free to try for 2 weeks. Only after 2 weeks you will be charged for the annual plan. If you don’t like the service SMS filter provides you can cancel the subscription anytime before 2 weeks and you wont be charged. That said we really hope you like what SMS Filter provides so that you can block unwanted spam and junk SMS on your iPhone easily.

Got feedback or suggestions? We would love to hear from you. Please write to us at or connect with us on Twitter @nfnlabs for faster responses.


Subscription Available: Yearly Plan

Subscription Details:
- Payment will be charged to iTunes Account at confirmation of purchase
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
- Account will be charged for renewal within 24-hours prior to the end of the current period
- If you want to manage subscriptions or turn off auto-renewal, please go to your Account Settings after purchase
- Any unused portion of a free trial period will be forfeited when you purchase a subscription

Privacy Policy:


Your feedback is important to us. If you love using SMS Filter, please leave us a rating and review on the App Store. We will keep working to make it better.

What's New

Version 1.1

- Ready for iPhone X
- Some under the hood improvements
- Added advanced settings to customise some preferences

Customer Reviews

4.9 out of 5

14 Ratings

14 Ratings

Essential if you live in India


I bought this app after years of frustrating messages from bulk SMS companies. I receive around 25 messages per day, and there’s no way to block them or notify the TRAI about them (since they can’t block web based SMS messages).

While the messages still come in, they get filtered into a ‘blocked and spam’ category, and I don’t get notifications of those messages. You can customise the ‘block list’ to prevent SMSs containing certain words, yet allow important SMSs like banking or OTP information to pass through.

It’s a wonderful, simple app, and my life is better for it.

Whitelist doesn't work correctly


Tried all possible permutations and combinations with * etc. but some of the entries in Whitelist don't work while some do. Weird..!

Blacklist and default filtering is great though..!


ThreeSea Technologies Private Limited
15.4 MB
Requires iOS 11.0 or later. Compatible with iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPad Air, iPad Air Wi-Fi + Cellular, iPad mini 2, iPad mini 2 Wi-Fi + Cellular, iPad Air 2, iPad Air 2 Wi-Fi + Cellular, iPad mini 3, iPad mini 3 Wi-Fi + Cellular, iPad mini 4, iPad mini 4 Wi-Fi + Cellular, 12.9-inch iPad Pro, 12.9-inch iPad Pro Wi-Fi + Cellular, 9.7-inch iPad Pro, 9.7-inch iPad Pro Wi-Fi + Cellular, iPad Wi-Fi (5th generation), iPad Wi-Fi + Cellular (5th generation), 12.9-inch iPad Pro (2nd generation), 12.9-inch iPad Pro Wi‑Fi + Cellular (2nd generation), 10.5-inch iPad Pro, 10.5-inch iPad Pro Wi‑Fi + Cellular and iPod touch.
Age Rating
Rated 4+
© 2017 NFNLabs
In-App Purchases
  1. Yearly Plan ₹ 149


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

More By This Developer

You May Also Like