Spam Zero vs SmartFilter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spam Zero
Block unwanted spam calls with a vast database of known spammers. This privacy-focused app keeps all blocking data on your device, ensuring your calls and contacts remain private. Enjoy smart protection that distinguishes spam from important calls with an easy setup.
- Block 1M+ known spam numbers
- Complete privacy, no data collection
- Device-only call blocking
- Smart protection for important calls
- Automatic spam database updates
- Real-time call blocking
- Easy setup in minutes
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Tired of endless spam calls? Spam Zero gives you back control of your phone with powerful, privacy-focused call blocking. KEY FEATURES: • Massive Database: Protection from 1,000,000+ known spam numbers • Complete Privacy: We never see your calls or contacts • Device-Only: All data stays securely on your iPhone • Zero Data Collection: We never track or upload your information • Smart Protection: Blocks spam while letting important calls through • Easy Setup: Get protected in minutes PRIVACY FIRST Your privacy is our foundation. Spam Zero is designed with a strict privacy-first approach: • No access to your personal calls or contacts • All blocking happens directly on your device • No data collection or tracking • No cloud storage of your information POWERFUL PROTECTION • Automatic updates to spam number database • Real-time call blocking • Visual status monitoring • Protection status tracking • Simple, intuitive interface GET STARTED Download Spam Zero today and join thousands of users who've taken back control of their phone calls. Setup takes just minutes, and you'll be protected immediately. SUPPORT Need help? Questions? Contact our support team at hey@getspamzero.com Note: Spam Zero requires iOS call blocking permissions to function. Follow the in-app setup guide to enable all features.
SmartFilter
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SmartFilter is an AI-powered SMS spam filtering app that automatically protects your inbox from unwanted messages. Using advanced machine learning (TF-IDF + SVM), SmartFilter classifies incoming SMS from unknown senders into three categories: Normal, Transactional, and Spam. KEY FEATURES: • Automatic spam filtering in the background • AI-powered classification with confidence scores • Blocks betting, scam, phishing, and promotional spam • Smart rule engine with custom keywords and patterns • Real-time filtering statistics and weekly trends • Classification tester to try before you filter • Adjustable AI sensitivity per category • Multi-language support: English, Turkish, Arabic • Privacy-first: all processing happens on your device HOW IT WORKS: Enable SmartFilter in Settings → Messages → SMS Filtering SmartFilter automatically analyzes incoming SMS from unknown senders Spam messages are moved to Junk, keeping your inbox clean No cloud processing. No data collection. Your messages never leave your device.
Screenshots
Verdict
The clearest difference is update cadence: Spam Zero at every 3 days against SmartFilter's every 6 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Spam Zero ships an update every 3 days, SmartFilter every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Spam Zero | SmartFilter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (18 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 3 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.2 | 16.6 — better |
| Further details — not scored | ||
| Size | 12 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Kavun, LLC | Ramazan SAYAN |
In-app purchases
Spam Zero
No in-app purchases
SmartFilter
No in-app purchases









