Shield vs Smart Spam Filter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shield
This utility app uses AI to filter and categorize SMS messages, blocking spam and organizing your inbox. It offers customizable filters and a privacy-first approach to keep your communications clean and secure.
- AI-driven spam filtering
- Privacy-first data handling
- Unlimited customizable filters
- Intelligent message categorization
- Easy setup and user-friendly interface
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Shield: AI-Powered SMS Filter & Categorizer Description: Take control of your SMS inbox with Shield, the ultimate app for filtering and categorizing your messages. Powered by advanced AI technology, Shield keeps your messages organized, secure, and spam-free, ensuring you only see what matters. Key Features: • AI-Driven Filtering: Say goodbye to unwanted messages. Shield uses cutting-edge AI to automatically filter out spam and unwanted texts, keeping your inbox clean and clutter-free. • Privacy First: Your data is your business. Shield ensures your messages stay private and secure, with no data stored or shared. • Customizable Filters: Have specific needs? Shield lets you add unlimited customizable filters to tailor your SMS experience to your liking. • Intelligent Categorization: Organize your messages effortlessly. Shield automatically categorizes your SMS into different folders, making it easier to find important messages quickly. • Easy Setup: Get started in minutes. Shield’s user-friendly interface makes it simple to set up and start protecting your inbox. Why Choose Shield? • Enhanced Security: Protect your personal information with our privacy-first approach. • Seamless Experience: Enjoy a smooth and intuitive user experience with Shield’s streamlined design. • Stay Focused: With spam out of the way, you can concentrate on the messages that matter most. Shield is the perfect companion for anyone looking to enhance their SMS experience with smart, secure, and customizable filtering and categorizing. Download Shield today and take the first step towards a cleaner, more organized inbox. Download Shield now and reclaim your inbox!
Smart Spam Filter
This AI-powered application automatically filters unwanted spam and smishing messages. It utilizes advanced AI models, both online and on-device, to detect and block new types of fraudulent texts in real-time. Additional features include custom blacklisting and whitelisting for enhanced control.
- AI-based spam/smishing filtering
- Online real-time AI detection
- On-device AI learning
- Keyword and number blocking
- Whitelist functionality
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Smart AI spam blocker app created by Korean AI researcher Stock adverts, Toto rooms, bank fraud texts, expert reading rooms... We have created a smart AI-based spam/smishing filtering app for those who are tired of countless spam texts and spam coming from new numbers even if you block them! Smart SMS spam/smishing auto filter app using the latest AI! AI mode without keyword registration! - Online AI: The smartest filtering to catch new types of spam and smishing in real-time. - On-device AI: Filtering done by AI on your phone that gets smarter every week. And more... - Blacklist word- and number-based blocking - Whitelist word and number-based filters Free yourself from spam!
Screenshots
Verdict
The clearest difference is price: Smart Spam Filter at Free against Shield's $0.99. Smart Spam Filter also leads on review sentiment (98% vs 90%) and iOS requirement (16.0 vs 26.0). Shield's advantage is in-app purchases (none vs 2). On rating, ratings volume, update cadence 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
Smart Spam Filter is free to download; Shield costs $0.99 up front. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. Shield asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.4 for Shield against 4.4 for Smart Spam Filter. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews are what separate them: 90% of Shield's written reviews are positive against 98% of Smart Spam Filter's.
Shield ships an update every 3 weeks, Smart Spam Filter every 2 weeks. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.
| Parameter | Shield | Smart Spam Filter |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.4 (8 ratings) | 4.4 (9 ratings) |
| Positive reviews | 90.0% of reviews | 98.1% of reviews — better |
| Number of ratings | 8 | 9 — better |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 23 MB |
| Age rating | 4+ | 12+ |
| Developer | TRILLIWON, Co. | Junbum Lee |
Customer experience
Shield
Smart Spam Filter
In-app purchases
Shield
No in-app purchases
Smart Spam Filter
- Buy a cup of coffee per month$2.991 Month
- Support a chicken per year$29.991 Year
