Spam Text Blocker vs SMSDefender
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spam Text Blocker
This app filters out unwanted spam and scam texts, keeping your inbox clean and organized. It intelligently sorts messages into categories, ensuring you only see important communications. Advanced AI detects and blocks deceptive texts, protecting you from financial loss.
- Spam text blocking
- Scam detection
- Inbox organization
- Transaction/Promotion sorting
- AI-powered filtering
- Privacy-focused
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Say goodbye to annoying spam texts, cluttered inboxes, and tricky scams. Keep your inbox for those texts you actually care about. TextShield shields your text message inbox with advanced filtering and intelligent sorting that keeps your inbox clean. NO MORE SPAM TEXTS Over 350 million spam texts are sent each day. Our advanced filtering system ensures that these unwanted messages won't reach your inbox. NO MORE INBOX CLUTTER Can't find your real messages between the reminders, codes, and updates? TextShield efficiently organizes your inbox so that important messages stand out. We support filtering into Transactions, Promotions folders, as well as any of 12 subfolders such as Reminders, Orders, Coupons, etc. NO MORE SCAMS Text scams steal about $10 billion each year. TextShield uses sophisticated scam detection algorithms to ensure that only real, meaningful texts get through. Our advanced AI analysis can identify 99.6% of deceptive texts and makes sure that they don't make their way into your inbox. PRIVACY-FIRST We don't show ads or do anything with your data that you wouldn't expect. We don't ask for any personal information, nor do we want it. TEXTSHIELD PRO Put spam blocking and text sorting on auto-pilot with our auto-updating smart rules and proactive threat detection. Available for $3.99 per month or $29.99 per year, both with a 7-day free trial. These subscriptions provide access to all TextShield features and services. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Payment will be charged to your App Store account at confirmation of purchase. You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. TERMS OF SERVICE AND PRIVACY POLICY By using TextShield, you agree to our Terms of Service and Privacy Policy. Terms of Service: https://textshield.io/terms Privacy Policy: https://textshield.io/privacy SUPPORT & FEEDBACK If you ever need help, or have something you'd like us to add to TextShield, please send us an email at support@textshield.io. We offer dedicated support and respond personally to each and every email.
SMSDefender
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The best and simplest way to filter out spam SMS messages! Quickly set up easy to understand rules for the messages you don't want to get notified about. After setting up your rules, to enable SMSDefender: • Go to Settings -> Messages -> Unknown & Spam • Then enable Filter Unknown Senders • Then select SMSDefender and choose Enable NOTE: rules will only run against unknown numbers The benefits of using SMSDefender: • Small app with no bloat. • No data gets sent or requested from any server. • Complete privacy. • All of your data is local. • Syncing of your rules to your iCloud profile. • Trusted app from a trusted software development company.
Screenshots
Verdict
The clearest difference is in-app purchases: SMSDefender at none against Spam Text Blocker's 2. Spam Text Blocker's advantage is update cadence (every 6 weeks vs every 13 months). On price, ads, device support and iOS requirement 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. Spam Text Blocker sells 2 in-app purchases, starting at $3.99 per month. SMSDefender asks for nothing beyond the download.
Spam Text Blocker ships an update every 6 weeks, SMSDefender every 13 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.
| Parameter | Spam Text Blocker | SMSDefender |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (137 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 137 — better | — |
| Update frequency | Every 6 weeks — better | Every 13 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 21 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | FathomTel, Inc. | Runninghill Software Development PTY LTD |
In-app purchases
Spam Text Blocker
- TextShield Pro - Monthly7 Days trial$3.991 Month
- TextShield Pro - Annual7 Days trial$29.991 Year
SMSDefender
No in-app purchases
Questions
Is Spam Text Blocker free?
Is SMSDefender free?
Do Spam Text Blocker or SMSDefender have ads?
Which is updated more often, Spam Text Blocker or SMSDefender?
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