Comparison

Simply Filter SMS vs Stop

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simply Filter SMS

This app automatically filters unwanted text messages on your iPhone or iPad. It uses AI and customizable rules to sort messages from unknown senders into categories like Junk, Promotions, or Transactions, all processed on your device for privacy.

Highlights
  • AI-powered spam filtering
  • Customizable keyword rules
  • Automatic message categorization
  • On-device processing for privacy
  • Support for 10 languages
  • Trusted country filtering
Features
Read full description

Take back control of your inbox. Simply Filter SMS is a privacy-first, open-source text message filter for iPhone and iPad. Create keyword rules and smart filters to automatically move unwanted messages from unknown senders to Junk, Promotions, or Transactions - completely on-device. What's new in this version: • Export & Import Filters - Share your filter setup with a friend. Export from Filter Tools in the menu and send the file. • Test Your Filters - Redesigned with live results so you can see matches instantly. • Help - Redesigned with FAQs and a Get Started guide. • Accent Color - Pick an accent from the menu; buttons and icons follow it across the app. In case you missed, here's what was updated recently: • Regex Filters - Create powerful pattern-matching filters using regular expressions for precise control. • AI Filtering - Automatic filtering is AI-powered, smarter and more accurate, with support for 10 languages including English, Hebrew, Spanish, French, German, Arabic, and more. • Trusted Countries - Automatically allow messages from specific countries by phone prefix. • 11 Languages - The app is available in English, Hebrew, Spanish, French, German, Arabic, Portuguese, Japanese, Korean, Italian, and Simplified Chinese. • Accessibility Support - Fully usable with VoiceOver, Voice Control, Dynamic Type, and Reduce Motion. • Native iPad Support - Full iPad experience with sidebar navigation and optimized layouts for larger screens. • Tip Jar - Support the app's development with an optional tip. Simply Filter SMS is free forever. • Multiple bug fixes and performance improvements.

About

Stop

This app acts as a defense against unwanted text messages. It allows users to create custom rules and block lists to filter incoming messages based on keywords and patterns, ensuring a clean inbox. Filters can be exported and imported for backup and sharing.

Highlights
  • Customizable SMS filtering rules
  • Predefined and custom block lists
  • Filter by text patterns and keywords
  • Export and import filters
  • Privacy-focused, no data collection
  • Organize and maintain a clean inbox
Read full description

Tired of sifting through endless spam messages? Introducing "Stop: SMS Filter App", your ultimate defense against SMS spam. Features: - Create your own rules to filter text messages - Use predefined phrases or create your own block list of phrases * Filter incoming text messages by text patterns and keywords. * The app shows the total number of added phrases * Remove the predefined list and create your own. * FAQ: A guide to enabling SMS filtering * Export Filters: Safeguard your preferences by exporting filters for backup. This feature also allows you to share your filter with others. * Import Filters: Easily integrate filter files from backups. With Stop, you can maintain a pristine inbox, focusing on the messages that truly matter. Say goodbye to unwanted promotional texts, phishing attempts, and other nuisances. Stop filters out messages that it considers to be spam, such as emails with unknown senders, This keeps you from having to waste time sorting through your inbox, and allows you to focus on the messages that you actually need to read. Easily set up filters, add keywords, and customize your preferences to suit your needs. All in all, Stop is the perfect solution for keeping your inbox organized and efficient. Privacy: The app does not collect, store, or transmit any personal information. All keywords and phrases you add are stored exclusively on your device. If you decide to reinstall the app, please note that you will need to add your phrases again.

Screenshots

Simply Filter SMS4 screens
Stop4 screens

Verdict

The call

The clearest difference is review sentiment: Simply Filter SMS at 83% against Stop's 0%. Simply Filter SMS also leads on update cadence (every 9 days vs every 4 months) and rating (4.4 vs 4.0). Stop's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Simply Filter SMS sells 3 one-off in-app purchases. Stop asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Simply Filter SMS holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Simply Filter SMS has 65 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of Simply Filter SMS's written reviews are positive against 0% of Stop's.

UpkeepUpdate frequency

Simply Filter SMS ships an update every 9 days, Stop every 4 months. The most recent releases landed on October 12, 2026 and September 18, 2026 respectively.

Scorecard6 real differences · 4 level
Simply Filter SMS versus Stop: the parameters behind the verdict, then further details
ParameterSimply Filter SMSStop
PriceFreeFree
Rating4.4 (65 ratings) — better4.0 (2 ratings)
Positive reviews82.8% of reviews — better0.0% of reviews
Number of ratings65 — better2
Update frequencyEvery 9 days — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size8 MB1 MB
Age rating4+4+
DeveloperAdi Ben-Dahanfares.net

Customer experience

Simply Filter SMS

All ratings65 ratings
Positive87.7%
Neutral0.0%
Negative12.3%
Written reviews29 reviews
Positive82.8%
Neutral0.0%
Negative17.2%

Stop

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

3 purchases

Simply Filter SMS

One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99
None

Stop

No in-app purchases

Questions

Is Simply Filter SMS free?
Simply Filter SMS is free to download, with in-app purchases available.
Is Stop free?
Stop is free to download, with no in-app purchases.
Which has better reviews, Simply Filter SMS or Stop?
Simply Filter SMS is rated higher. Simply Filter SMS averages 4.4 out of 5 from 65 ratings, while Stop averages 4.0 from 2 ratings.
Do Simply Filter SMS or Stop have ads?
Neither Simply Filter SMS nor Stop shows ads.
Which is updated more often, Simply Filter SMS or Stop?
Simply Filter SMS ships an update every 9 days, and Stop every 4 months. Most recently, Simply Filter SMS was updated on October 12, 2026 and Stop on September 18, 2026.

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