Report updated Jun 5, 2026
Lie Detector - Voice Scanner
For casual users looking for entertainment and social pranking tools.
Lie Detector - Voice Scanner is an established simulation app that is completely free. With a 4.2/5 rating from 3K reviews, it shows polarized user reception.
What is Lie Detector - Voice Scanner?
Lie Detector - Voice Scanner is a simulation app for Android that provides randomized truth or lie results based on voice input.
Users hire this app for low-stakes social entertainment and pranking, where the randomized output serves as a conversation starter.
Current Momentum
v1.0
- Maintains stable simulation functionality.
- Last major update released April 2026.
Active Nemesis
Police Siren Lights Pro
By Ichiban Mobile
Other Rivals
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What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Users record statements by holding a button to receive a randomized yes or no truthfulness result.
The app utilizes colorful scanning animations and realistic sound effects to enhance the simulation experience.
How much does it cost?
- Free
The app operates on a free-to-play model, likely monetized through ad inventory.
Who Built It?
TenFive Studio
Providing utility and entertainment through a diverse range of mobile tools and simulation apps. Helping users manage time and enjoy lighthearted digital experiences.
Portfolio
10
Apps
What other apps does TenFive Studio make?
Lie Detector - Polygraph Test
Lie Scanner - Polygraph Test
ASMR Slicing - Slice It
Dog Translator - Mind Reader
Vampire Romance - Chat Story
Interval Timer - Tabata - HIIT
Explore the full TenFive Studio report
Portfolio breakdown, audience, momentum, and every app published by TenFive Studio.
What do users think recently?
Analysis in progress, available soon
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 Lie Detector - Voice Scanner?
How's The Simulation Market?
**Pricing Strategy**: Free-to-play model relying on ad-supported engagement. **Target Audience**: Casual users seeking quick social pranking tools.
Which niche is Lie Detector - Voice Scanner in?
Explore the full Prank Tools Simulations niche
Every app in this space — 11 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
This app competes for the same 'prank utility' audience, leveraging high-engagement soundboard and simulation mechanics to capture the same casual entertainment market.
Differentiators
- Features a massive library of emergency siren sounds that significantly outperforms our basic voice scanner.
- Includes a dedicated stun gun simulator that provides a secondary, high-engagement prank utility for users.
- Maintains a massive install base with over 13,000 ratings, creating a significant barrier to entry.
Head to head
The target should pivot toward more interactive, voice-responsive features to differentiate from the nemesis's static soundboard-heavy approach.
Same space(2)
Both apps occupy the 'prank tool' niche, relying on hardware-simulated feedback to trick users for entertainment purposes.
Differentiators
- Utilizes proximity sensor interaction to trigger audio, creating a more immersive physical prank experience.
- Integrates high-fidelity haptic feedback that provides a tactile sensation missing from our voice-only simulator.
This app shares the same entertainment-focused prank category, targeting users looking for quick, hardware-simulated reactions.
Differentiators
- Combines visual strobe light animations with audio, offering a multi-sensory prank experience for the user.
- Includes a stun gun simulator feature that provides a more aggressive prank utility than voice scanning.
New entrants(1)
While currently in a different sub-genre, this app competes for the same casual entertainment time-share within the broader mobile gaming ecosystem.
Differentiators
- Implements a daily reward track system that drives higher day-over-day retention than our static simulator.
Compare Lie Detector - Voice Scanner 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 Lie Detector - Voice Scanner
Strengths to defend, gaps to attack
Core Strengths
- Randomized feedback loops create immediate social utility for pranking scenarios.
Critical Frictions
- Lack of haptic feedback or sensor integration limits immersion compared to rivals.
Growth Levers
- Integrating proximity sensor triggers could provide the tactile feedback currently missing.
Market Threats
- Multi-functional prank suites with larger sound libraries siphon the casual user base.
What are the next best moves?
Integrate haptic feedback into the scanning animation because rivals like Real Razor use it to increase immersion → boost session length.
Competitor analysis shows haptic feedback is a key differentiator in the prank tool niche.
Trade-off: Pause the development of new sound effects — haptic immersion has a higher impact on perceived realism.
A counter-intuitive read
The app's simplicity is its primary vulnerability, as maintenance-mode at the top of the prank category makes it easier for a single multi-sensory rival to displace the entire user base.
Feature Gaps vs Competitors
- Haptic feedback (available in Real Razor but missing here)
- Proximity sensor interaction (available in Real Razor but missing here)
- Multi-functional utility suite (available in Police Siren Lights Pro but missing here)
Key Takeaways
- The app's single-purpose design limits long-term retention compared to multi-functional prank utilities.
- Competitors are winning by integrating hardware-level inputs like proximity sensors and haptic feedback.
- Revenue growth requires shifting from a static simulator to an interactive, multi-sensory prank experience.
The app provides immediate entertainment through simple simulation, but its single-purpose design limits retention against multi-functional prank rivals, so the team should prioritize haptic integration to close the immersion gap.
Where Is It Heading?
Stable
The prank utility market is consolidating around multi-sensory apps that combine visual, audio, and tactile feedback. Our reliance on a single-purpose voice scanner leaves us exposed to these more immersive rivals, so we must pivot toward sensor-based interaction to remain relevant.
Recent updates focused on stability, indicating the app is in maintenance mode rather than active feature expansion.
Competitors are aggressively integrating sensor-based triggers, which increases the churn risk for our static voice-only simulation.