Report updated Jun 24, 2026
Textkiller - Spam Text Blocker
For smartphone users seeking to eliminate unsolicited text messages and telemarketing distractions from their iMessage inbox.
Textkiller - Spam Text Blocker is a challenged utilities app that is available. With a 4.3/5 rating from 13K reviews, it faces significant user friction. Users particularly appreciate effective spam text filtering provides immediate relief from high volumes of unwanted political solicitation messages, though verification code failures prevent new and returning users from accessing the core application interface remains a common concern.
What is Textkiller - Spam Text Blocker?
Textkiller is a utility app for iOS that filters spam text messages using predictive algorithms and user-defined rules.
Users hire Textkiller to reclaim inbox sanity from automated distractions, removing the social and mental cost of filtering spam manually.
Current Momentum
v2.0 · 14mo ago
ZombieLast updated 433d ago. 5 versions tracked.
Active Nemesis
Truecaller: Premium Caller ID
By True Software Scandinavia AB
Other Rivals
7-Day Rank Pulse 🇺🇸
UtilitiesNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Algorithm identifies spam in under 0.01 seconds using a global block list updated every minute.
User-defined rules to block specific keywords, email addresses, or phone number ranges.
Filters all messages from senders outside the contact list.
User-submitted reports to refine the central blocking algorithm.
How much does it cost?
- Free to download
- Subscription required for full product functionality
Subscription-only model requires payment for core utility, removing the free-tier ad-supported option common in the category.
Who Built It?
Mosaic S.r.l.
Scaling iconic digital utilities through data-driven improvements to help users navigate weather, language barriers, and communication security.
Portfolio
13
Apps
What other apps does Mosaic S.r.l. make?
iTranslate Translator
Robokiller: Spam Call Blocker
SlideShow Maker Photo to Video
Scan Hero: PDF Scanner
TrapCall: Reveal No Caller ID
Speak & Translate - Translator
Explore the full Mosaic S.r.l. report
Portfolio breakdown, audience, momentum, and every app published by Mosaic S.r.l..
What do users think recently?
High confidence · 49 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate effective spam text filtering provides immediate relief from high volumes of unwanted political solicitation messages and reliable performance for users who successfully complete the initial setup and configuration process, but report verification code failures prevent new and returning users from accessing the core application interface and inconsistent spam blocking performance leads to recurring junk messages despite active subscription status.
Limited review volume (49 reviews). Sentiment analysis will deepen as more data lands.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Textkiller - Spam Text Blocker?
Where is it available?
Localized markets (14)
How's The Utilities Market?
How does it evolve in the Utilities market?
Textkiller occupies a niche in the Utilities category, currently ranking in the top 100 Grossing charts in specific regions. The gap between its free-to-download status and subscription-only utility creates a high conversion hurdle compared to ad-supported rivals.
Rank progression
2 active rankings tracked — 30-day window
Which niche is Textkiller - Spam Text Blocker in?
To block unsolicited spam text messages
Explore the full Spam Blocking Monitors niche
Every app in this space — 5 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Truecaller maintains the largest global database of spam identifiers, creating a massive network effect that directly challenges Textkiller's niche.
Differentiators
- Leverages a massive crowdsourced database of caller identities that far exceeds static blocklists
- Integrates real-time caller ID identification alongside spam blocking to provide immediate context for incoming calls
- Operates a global community-driven reporting system that updates spam signatures faster than manual list curation
Head to head
Textkiller must double down on its specialized text-only utility to avoid being subsumed by Truecaller's broader communication platform.
Contenders(2)
A major player in the spam-blocking space that focuses on social verification and caller identification.
Differentiators
- Utilizes social tagging to identify unknown callers, turning the contact list into a verification tool
- Provides a unique 'who viewed my profile' feature that drives high daily engagement and retention
As a carrier-integrated security solution, it provides network-level spam blocking that is difficult for standalone apps to replicate.
Differentiators
- Blocks spam calls and texts at the network level before they reach the user's device
- Provides integrated device security features like public Wi-Fi protection and identity monitoring within a single interface
Same space(2)
Addresses the root cause of spam by providing disposable numbers, an alternative approach to blocking.
Differentiators
- Allows users to create temporary numbers to avoid sharing primary contact information with untrusted sources
- Provides a proactive privacy layer that prevents spam from ever reaching the user's primary inbox
A comprehensive security suite that includes spam protection as part of a broader digital safety ecosystem.
Differentiators
- Bundles SMS filtering with VPN, dark web monitoring, and device security in a single subscription
- Targets enterprise-grade security users who prefer all-in-one protection over specialized single-purpose utilities
New entrants(2)
Rapidly evolving its browser into a security-first utility suite with integrated AI and VPN capabilities.
Differentiators
- Embeds free VPN and ad-blocking directly into the browsing experience to reduce reliance on external utilities
- Uses AI-driven content filtering to proactively block malicious sites and spam-heavy web interactions
Aggressive release cadence and integration of AI features suggest a rapid expansion into mobile utility dominance.
Differentiators
- Integrates AI-powered browsing and security features that are increasingly encroaching on standalone utility app territory
- Leverages deep ecosystem integration to provide cross-platform security and filtering that standalone apps cannot match
Compare Textkiller - Spam Text Blocker against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Textkiller - Spam Text Blocker
Strengths to defend, gaps to attack
Core Strengths
- Patented predictive algorithm enables sub-0.01s spam detection
- Keyword-based filtering provides granular control beyond simple number blocking
Critical Frictions
- Verification failures in the latest release block user access
- Subscription-only model limits top-of-funnel conversion
- Support portal relies on automated replies
Growth Levers
- Integrate wearable notifications to extend spam-free utility
- Partner with carriers for network-level list distribution
Market Threats
- Truecaller’s crowdsourced database updates faster than manual curation
- Carrier-integrated solutions like ActiveArmor provide zero-friction, network-level protection
What are the next best moves?
Rebuild authentication flow because verification failures are the top complaint → reduce churn
Verification code failures prevent access to the core application interface.
Trade-off: Pause the keyword-filtering expansion sprint — authentication is a hard blocker for all users.
Audit support portal logic because automated replies drive perception of an abandoned app → improve sentiment
Users report receiving only automated replies when seeking help.
Trade-off: Delay the desktop app parity project — support trust is more critical for retention.
A counter-intuitive read
The subscription-only model is not a weakness but a signal of intent that filters out low-value users, yet the technical instability currently prevents the app from delivering the premium experience those users pay for.
Feature Gaps vs Competitors
- Crowdsourced real-time spam database (available in Truecaller but absent here)
- Network-level blocking (available in AT&T ActiveArmor but absent here)
- Social verification tagging (available in Getcontact but absent here)
Key Takeaways
Textkiller provides effective spam filtering, but critical authentication failures in the latest release undermine its core value, so the PM must prioritize technical stability over new features to prevent further churn.
Where Is It Heading?
Declining
The spam-blocking market is consolidating around network-integrated and crowdsourced solutions, leaving standalone apps like Textkiller exposed. Without a resolution to the current authentication and filtering bugs, the app will continue to lose ground to competitors that offer more reliable, zero-friction protection.
Verification failures in the latest release prevent new user onboarding, which directly accelerates churn and suppresses new subscription revenue.
Inconsistent filtering performance leads to user frustration, as the core utility fails to block spam after initial setup.