NumBuster. Real Name Caller ID
NumBuster. Real Name Caller ID is a spam-blocking and caller identification utility for iOS and Android users.
The App DNA
What makes this app unique?
Users rely on NumBuster. Real Name Caller ID to filter unwanted telemarketing and robocalls, replacing the friction of manual screening with crowdsourced identification data.
For Mobile users seeking protection from spam, robocalls, and fraudulent telemarketing activity.
What does it look like?
Key features
Identifies incoming calls from unknown numbers using a database of 1.9 million spam and scam entries.
Users assign tags to phone numbers to warn others of potential fraud or spam.
Replaces the system SMS app to filter and block spam messages.
How much does it cost?
Freemium model relies on ad-supported free usage for scale, with premium subscriptions gating advanced data access.
Velocity
Intense developmentShow more...
5 versions in history. Development pace: intense.
Who built it?
User Sentiment
What do users think recently?
Recent user voice shows a frustrated sentiment. Users appreciate the core caller identification functionality provides immediate value for users identifying unknown incoming phone numbers.
How are ratings & reviews evolving?
What users say, by theme
- The core caller identification functionality provides immediate value for users identifying unknown incoming phone numbers
- Users report the application fails to function or load correctly in specific geographic regions post-update
29 of 29 recent reviews analyzed · moderate confidence · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for NumBuster. Real Name Caller ID
How's the Utilities market?
NumBuster. Real Name Caller ID holds a 4.3-star rating across 262,094 total ratings, but its market position is constrained by regional service failures. The app's reliance on crowdsourced data creates a barrier to entry, yet the lack of account deletion controls limits its competitive standing.
The rivals identified
By True Software Scandinavia AB
Both apps target the same user base seeking spam and fraud protection, competing directly on caller identification and community-driven spam detection.
- Truecaller integrates directly with the iOS Phone app for real-time identification, while NumBuster relies on a standalone interface.
- Truecaller utilizes AI pattern analytics for call screening, whereas NumBuster depends primarily on manual crowdsourced tags.
T-Mobile Scam ShieldContender
SpamSafe: Spam Call BlockerContender
Phone RevealContender
Mr. Number Lookup & Call BlockContender
Real Caller : Caller idContender
RealCall - Spam Call BlockerContender
Me - Caller ID & Spam BlockerContender
True CallerID: Spam BlockerContender
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for NumBuster. Real Name Caller ID
Where is it heading?
The market for caller identification is consolidating, and NumBuster. Real Name Caller ID's current trajectory is hampered by persistent functional issues and trust deficits. Unless the developer addresses the lack of account management controls and regional outages, the app will continue to lose ground to more stable, privacy-focused competitors.
- Regional connectivity failures in the latest version erode the daily active habit, which compounds the rating drag already visible on Android.
- Allegations of facilitating harassment through unverified tags create significant reputational friction, which will likely suppress new-user conversion rates in the coming quarter.
The SWOT
- Crowdsourced spam database creates a network effect that increases switching costs.
- Default SMS manager integration expands ad-impression inventory.
- Implementing a transparent tag-removal process could mitigate reputational friction.
- Adding clear account management controls could improve user trust and retention.
Next best moves
Ship account deletion and tag-removal tools because user frustration over data ownership is the #1 sentiment complaint → improve retention.
+ 1 more prioritized moveThe counter-intuitive read
The crowdsourced tag feature, while a retention lever, is NumBuster.
Read the full takeSince the last report: NumBuster has transitioned from a standard utility to a high-risk product due to emerging allegations of facilitating harassment and persistent regional connectivity failures. These trust and functional deficits now outweigh the utility of its crowdsourced spam database.
Bottom line
NumBuster. Real Name Caller ID must prioritize data-privacy controls to address the defamation and harassment allegations driving negative sentiment. Resolving these trust issues is the only way to stabilize the user base and prevent further churn in key markets.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is NumBuster. Real Name Caller ID safe to use?
How do I remove my number from NumBuster. Real Name Caller ID?
Does NumBuster. Real Name Caller ID work in all countries?
Sources
- [1] Play Store
- [2] App Store
Report last updated