COB vs SMS Spam Armor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COB
This electronic office solution streamlines business operations with digital document management and workflow automation. It aims to enhance efficiency and accessibility for corporate users.
- Electronic office solution
- Digital document management
- Workflow automation
- Business operations enhancement
- Increased efficiency
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Giải pháp văn phòng điện tử dành cho doanh nghiệp
SMS Spam Armor
This app offers robust protection against text message scams and phishing attempts by filtering unwanted messages directly on your device. It provides customizable blocking rules and multi-layered protection without collecting or processing your personal data.
- On-device message processing
- Customizable blocking rules
- Phone number blocking
- Keyword and pattern recognition
- Real-time filtering
- Transparent operation logs
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Stop Spam. Protect Your Privacy. Stay in Control. Americans lost $470 million to text message scams in 2024. A 400% increase from the previous year. SMS Spam Armor delivers professional grade protection without compromising your privacy. No cloud processing. No data collection. No surveillance. WHY SMS SPAM ARMOR? Your Messages Never Leave Your iPhone Unlike competitors that send your data to remote servers, SMS Spam Armor processes everything locally on your device using Apple's secure IdentityLookup framework. What happens on your iPhone stays on your iPhone. Zero tracking. Zero data collection. Just pure, private spam filtering. You're In Control Create custom blocking rules that match your life. Block entire area codes, filter political spam during election season, or flag specific keywords. You decide what's spam—not some black-box algorithm training on your personal messages. Multi-Layered Protection • Phone number blocking for persistent spammers • Keyword detection for common scam phrases • Pattern recognition for phishing and fraud attempts • Real-time filtering of SMS/MMS from unknown senders Built Using Official Apple Frameworks SMS Spam Armor integrates seamlessly with your iPhone's Messages app using Apple's IdentityLookup framework. No performance issues. No battery drain. Just professional protection that works the way Apple intended. WHAT GETS FILTERED • SMS/MMS from unknown senders • Messages containing spam keywords or scam patterns • Bulk marketing texts and phishing attempts WHAT STAYS PRIVATE • iMessage conversations (end-to-end encrypted, can't be filtered) • Texts from your contacts • Numbers you've previously communicated with TRANSPARENT OPERATION • See exactly what gets blocked and why • Review blocked messages before deleting • Export your filtering rules anytime • Adjust sensitivity to match your preferences • No hidden algorithms making decisions for you THE BOTTOM LINE For less than the cost of a single coffee per year, protect yourself from the financial and emotional toll of text scams. No cloud subscriptions. No surveillance. Just simple, powerful, private spam protection. Download SMS Spam Armor today. Your messages. Your rules. Your privacy.
Screenshots
Verdict
The clearest difference is in-app purchases: COB at none against SMS Spam Armor's 1. COB also leads on device support (3 vs 1) and iOS requirement (15.5 vs 17.6). SMS Spam Armor's advantage is update cadence (every 11 days vs every 6 weeks). On price, rating, ratings volume 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
Both are free to download. SMS Spam Armor sells 1 in-app purchase, starting at $4.99 per year. COB asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for COB against 5.0 for SMS Spam Armor. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
COB ships an update every 6 weeks, SMS Spam Armor every 11 days. The most recent releases landed on September 8, 2026 and June 2, 2026 respectively.
| Parameter | COB | SMS Spam Armor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 6 weeks | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 17.6 |
| Further details — not scored | ||
| Size | 45 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Co-opBank | Nitron Digital LLC |
Customer experience
COB
SMS Spam Armor
In-app purchases
COB
No in-app purchases
SMS Spam Armor
- SMS Spam Armor Pro Annual$4.991 Year





