Filter: spam & junk block is a utility app for iOS that filters unsolicited SMS and MMS messages based on user-defined keywords.
Product velocity
Dormant
Daily rank 🇺🇸
—
Utilities
Sentiment
4.2
5 reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
Users hire this app to reduce daily message clutter through automated keyword-based redirection. The job-to-be-done is to reclaim inbox focus from unsolicited commercial SMS traffic.
For Mobile users seeking to reduce unsolicited SMS and MMS clutter on their devices.
What does it look like?
Key features
Automatically moves incoming SMS or MMS messages containing specific keywords to a Junk folder.
Allows users to add or delete personalized keywords to the filter criteria.
Includes a pre-populated database of spam keywords tailored to specific geographic regions.
How much does it cost?
The app is currently distributed as a free utility with no visible subscription or in-app purchase gates.
Velocity
Dormant developmentopaqueShow more...
The app has not received a feature update or bug fix in over 235 days, placing it firmly in the zombie category. With only a single minor release in the provided history, there is no evidence of active development or ongoing maintenance. The lack of recent activity suggests the project is currently inactive.
Who built it?
User Sentiment
What do users think recently?
Fresh user feedback skews mixed. Users appreciate the core filtering functionality performs effectively for the majority of users during daily message screening.
How are ratings & reviews evolving?
What users say, by theme
- The core filtering functionality performs effectively for the majority of users during daily message screening
- Filtering logic fails to catch spam messages containing blacklisted keywords from unknown sender numbers
3 of 3 recent reviews analyzed · limited sample
Read the full review analysisUnlock 2 more frustration themes, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Filter: spam & junk block
How's the Utilities market?
Filter: spam & junk block maintains a niche presence in the Utilities category with a 4.2-star rating across 5 total ratings. The lack of updates since December 2025 signals a stagnant market position relative to native OS filtering capabilities.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Filter: spam & junk block
Where is it heading?
The market for standalone SMS filtering is shrinking as mobile operating systems integrate native, AI-driven spam detection. Filter: spam & junk block's reliance on manual keyword lists and its current maintenance-mode status leave it poorly positioned to compete with these native solutions, so the PM must decide whether to pivot to a niche filtering use case or sunset the application to avoid further brand erosion.
- The lack of feature updates for over seven months suggests the app is in maintenance mode, which leaves it exposed to native OS spam-filtering improvements.
- Persistent false alerts regarding permission status create a negative feedback loop that discourages long-term retention, as users perceive the app as broken.
The SWOT
- Pre-configured country-specific keyword lists function as a low-friction entry point for users in supported regions.
- Integrating machine learning-based sender analysis could address the current keyword-only limitation.
Next best moves
Audit permission-check logic because users report persistent false alerts regarding activation status → reduce negative sentiment.
The counter-intuitive read
The app's lack of updates is not just a resource issue…
Read the full takeSince the last report: The intelligence report has shifted from a general recommendation to sunset the app toward a more granular focus on fixing specific UI-permission bugs to stabilize retention.
Bottom line
Filter: spam & junk block provides a basic keyword-filtering utility, but the failure to block messages from unknown senders and the lack of updates since late 2025 make it vulnerable to OS-level native features, so the PM should prioritize a stability audit to address false permission alerts before considering feature expansion.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Filter: spam & junk block free to use?
Does this app block all spam messages?
Why does the app keep asking for permissions I already granted?
Sources
- [1] App Store, source
Report last updated