Comparison

NoxOps vs Spam Text Blocker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NoxOps

Features
Read full description

NoxOps protects you from phishing, scams, and malicious links — entirely offline on your device. KEY FEATURES • Free Feature: Local AI-powered link scanning (UrlAnalystAI) to detect malicious URLs instantly. • Premium Features: Offline AI analysis for messages, emails, and files: SMS Intel Lab — analyze any message with SmsAnalystAI to detect scams and frauds. Email Intel Lab — powered by EmailAnalystAI, identify phishing or spoofed emails. File Analysis Lab — uses MalwareAnalystAI with multi-layer heuristics for unsafe files. TECHNOLOGY NoxOps uses on-device offline AI models and heuristic engines for fast, private detection — no cloud uploads, no external servers, no internet needed. PRIVATE BY DESIGN NoxOps runs entirely offline. All message, link, and file analyses happen locally on your device — no accounts, no data collection, no network connection required. Internet access is used only for optional app updates or in-app purchases. Your data never leaves your device. PREMIUM ACCESS Unlock full AI protection with NoxOps Pro Access — includes unlimited offline analysis for emails, messages, and files, plus future security features and model updates.

About

Spam Text Blocker

Features
Read full description

Stop Spam. Stay Protected. Spam Text Blocker helps you filter spam, scam, phishing, smishing, robotexts, and unwanted SMS messages before they clutter your inbox. Features • Block spam and junk messages • Detect phishing and scam texts • Filter robotexts automatically • Silence promotional SMS • Filter unknown senders • Create custom filtering rules • Designed to help keep important bank verification messages and one-time passcodes (OTP) out of Junk, except in Under Attack Mode, which sends every text from unknown senders to Junk • Fast and lightweight: texts are checked on your iPhone How Filtering Works iOS only passes texts from senders who aren't in your contacts to the filter. Each text is checked on your iPhone against the rules you create and, with Premium, against a spam model for the language you pick: words, phrases, sender names and link patterns that are common in spam, scam and phishing texts. Depending on your rules and the filter sensitivity you choose, a text goes to Junk, Promotions or Transactions, or stays in your inbox. Free and Premium • Free: your own rules (always allow a sender or word, or send it to Junk, Promotions or Transactions) and the Test a Message screen. • Premium (auto-renewable subscription or one-time purchase): the spam model, filter sensitivity levels and Under Attack Mode. Works seamlessly with Apple's SMS Filter extension to help keep your Messages app clean and organized. Download Spam Text Blocker and enjoy a safer, cleaner messaging experience. Privacy Policy: https://brawny-elk-a07.notion.site/Privacy-Policy-for-SMS-Filter-Junk-Spam-Blocker-397fce579189806f96f5e4ee81816b59 Terms of Use (EULA): https://brawny-elk-a07.notion.site/Terms-of-Use-for-SMS-Filter-Junk-Spam-Blocker-397fce579189803ba6a0fe72a4953bc2

Screenshots

NoxOps4 screens
Spam Text Blocker4 screens

Verdict

The call

The clearest difference is update cadence: NoxOps at every 4 days against Spam Text Blocker's fortnightly. NoxOps also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. NoxOps sells 2 one-off in-app purchases and Spam Text Blocker sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

NoxOps ships an update every 4 days, Spam Text Blocker fortnightly. Both last shipped on November 5, 2026.

Scorecard3 real differences Ā· 3 level
NoxOps versus Spam Text Blocker: the parameters behind the verdict, then further details
ParameterNoxOpsSpam Text Blocker
PriceFreeFree
Update frequencyEvery 4 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.6
Further details — not scored
Size52 MB32 MB
Age rating4+4+
DeveloperUsham Kamaljit SinghMuhammed Emin Aydin

In-app purchases

2 purchases

NoxOps

One-time2
  • NoxOps Pro Access$10.00
  • NoxOps Infinite Access$200.00
3 purchases

Spam Text Blocker

Subscriptions2
  • Premium (Monthly)7 Days trial$1.991 Month
  • Premium (Yearly)7 Days trial$9.991 Year
One-time1
  • Premium (Lifetime)$29.99

Questions

Is NoxOps free?
NoxOps is free to download, with in-app purchases available.
Is Spam Text Blocker free?
Spam Text Blocker is free to download, with in-app purchases available.
Do NoxOps or Spam Text Blocker have ads?
Neither NoxOps nor Spam Text Blocker shows ads.
Which is updated more often, NoxOps or Spam Text Blocker?
NoxOps ships an update every 4 days, and Spam Text Blocker fortnightly. Most recently, NoxOps was updated on November 5, 2026 and Spam Text Blocker on November 5, 2026.

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