Quantum Shieldz Cipher(QSC) vs Smart Spam Filter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quantum Shieldz Cipher(QSC)
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Quantum Shieldz Cipher는 사용자의 스마트폰과 함께 작동하는 독립형 음성 암호화 장치입니다. 통화하는 사용자의 음성을 양자난수생성기(QRNG, Quantum Random Number Generator)가 생성하는 암호 키로 안전하게 암호화하여 상대방에게 전송함으로써, 스파이웨어를 이용한 도청이나 원하지 않는 녹음을 차단합니다. Quantum Shieldz Cipher는 자신의 스마트폰과 연동되는 간단하면서도 강력한 보안을 갖춘 통신 장치입니다.
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 in-app purchases: Quantum Shieldz Cipher(QSC) at none against Smart Spam Filter's 2. Quantum Shieldz Cipher(QSC) also leads on iOS requirement (13.4 vs 16.0). Smart Spam Filter's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads 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. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. Quantum Shieldz Cipher(QSC) asks for nothing beyond the download.
Quantum Shieldz Cipher(QSC) ships an update every 3 months, Smart Spam Filter every 2 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.
| Parameter | Quantum Shieldz Cipher(QSC) | Smart Spam Filter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (9 ratings) — better |
| Positive reviews | — | 98.1% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.4 — better | 16.0 |
| Further details — not scored | ||
| Size | 12 MB | 23 MB |
| Age rating | 4+ | 12+ |
| Developer | EYL | Junbum Lee |
In-app purchases
Quantum Shieldz Cipher(QSC)
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
Questions
Is Quantum Shieldz Cipher(QSC) free?
Is Smart Spam Filter free?
Do Quantum Shieldz Cipher(QSC) or Smart Spam Filter have ads?
Which is updated more often, Quantum Shieldz Cipher(QSC) or Smart Spam Filter?
Other comparisons
