Comparison

Simply Filter SMS vs ChathamAlert

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

ChathamAlert

Features
Read full description

Use ChathamAlert to add an additional layer of protection to your organization by utilizing tools such as: Panic Slider, Submit Tips and Safety Timer.

Screenshots

Simply Filter SMS4 screens
ChathamAlert3 screens

Verdict

The call

The clearest difference is in-app purchases: ChathamAlert at none against Simply Filter SMS's 3. ChathamAlert also leads on device support (4 vs 2) and iOS requirement (13.2 vs 17.0). On price and ads 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. ChathamAlert asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Simply Filter SMS versus ChathamAlert: the parameters behind the verdict, then further details
ParameterSimply Filter SMSChathamAlert
PriceFreeFree
Rating4.4 (69 ratings) — better—
Positive reviews80.6% of reviews—
Number of ratings69 — better—
Update frequencyEvery 9 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.013.2 — better
Further details — not scored
Size8 MB42 MB
Age rating4+4+
DeveloperAdi Ben-DahanChatham University

In-app purchases

3 purchases

Simply Filter SMS

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

ChathamAlert

No in-app purchases

Questions

Is Simply Filter SMS free?
Simply Filter SMS is free to download, with in-app purchases available.
Is ChathamAlert free?
ChathamAlert is free to download, with no in-app purchases.
Do Simply Filter SMS or ChathamAlert have ads?
Neither Simply Filter SMS nor ChathamAlert shows ads.

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