Report updated May 14, 2026
Lie Detector - Polygraph Test
For casual users seeking entertainment, pranks, and joke-based simulation tools.
Lie Detector - Polygraph Test is an established simulation app that is free with in-app purchases. With a 4.3/5 rating from 999 reviews, it shows polarized user reception. Users particularly appreciate the polygraph simulation provides a fun and engaging experience for casual users testing their friends, though the random nature of truth and lie indicators makes the simulation feel unreliable and fake remains a common concern.
What is Lie Detector - Polygraph Test?
Lie Detector - Polygraph Test is a prank-oriented simulation app for casual users, providing a fingerprint scanner interface on Android.
Users hire the app for low-stakes social entertainment and pranks, using the simulated biometric interface to facilitate group interaction.
Current Momentum
v0.1
- Ships stability updates for simulation engine.
- Maintains ad-supported freemium monetization model.
Active Nemesis
Police Siren Lights Pro
By Ichiban Mobile
Other Rivals
7-Day Rank Pulse 🇺🇸
SimulationNo ranking data
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Simulated biometric input interface requiring user to hold finger on screen to initiate test
Animated graphical representation of pulse data displayed during the testing process
Realistic sound effects triggered during the scanning and result delivery phases
How much does it cost?
- Free with ad support
- In-app purchases available
Monetization relies on ad-supported free access with supplemental revenue from in-app purchases.
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
Who is TenFive Studio?
TenFive Studio operates a hybrid portfolio that bridges functional productivity tools with high-volume, entertainment-focused simulation apps. Their strategy relies on rapid iteration across disparate categories, utilizing a broad distribution footprint that includes major global app stores and web-based HTML5 platforms. The studio's primary tension lies in balancing the development of niche, utility-driven software against the maintenance of a larger, ad-supported simulation catalog.
Who is TenFive Studio for?
- A split audience consisting of productivity-focused users seeking time-management tools
- Casual users interested in prank-oriented simulation content
Portfolio momentum
Released 5 updates across 10 apps in the last 6 months, maintaining an active development cycle across both utility and simulation categories.
What other apps does TenFive Studio make?
Lie Detector - Voice Scanner
Lie Scanner - Polygraph Test
ASMR Slicing - Slice It
Dog Translator - Mind Reader
Vampire Romance - Chat Story
Interval Timer - Tabata - HIIT
What do users think recently?
Low confidence · 24 reviews analyzed
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate the polygraph simulation provides a fun and engaging experience for casual users testing their friends, but report the random nature of truth and lie indicators makes the simulation feel unreliable and fake and excessive advertising and mandatory internet connectivity requirements frustrate users during offline play sessions.
Limited review volume (24 reviews). Sentiment analysis will deepen as more data lands.
What is the competitive landscape for Lie Detector - Polygraph Test?
How's The Simulation Market?
Market outlook for this category
Available very soon
The rivals identified
The Nemesis
Head to Head
The target app should pivot toward social features or multiplayer modes to differentiate from the nemesis's static utility-based dominance.
What sets Lie Detector - Polygraph Test apart
Target app offers a more focused, singular experience that is easier for younger users to understand immediately.
The lie detector mechanic provides a more social, interactive 'party game' dynamic compared to static siren sounds.
What's Police Siren Lights Pro's Edge
Vastly superior rating count and historical data suggest higher user trust and long-term retention.
Includes a diverse library of emergency sounds and visual effects that keep users engaged longer than a simple scanner.
Peers
Utilizes proximity sensor interaction to trigger audio, creating a more immersive 'real-world' prank experience.
Focuses on high-fidelity audio and haptic feedback to simulate physical vibration, which the target app currently lacks.
Integrates visual strobe light animations that provide a multi-sensory experience beyond the target app's simple scanner.
Features a dedicated sound library that allows for more complex prank scenarios than a simple yes/no response.
Advanced proximity sensor integration allows for a more convincing 'haircut' simulation compared to the target's static scanner.
High volume of user reviews and frequent updates suggest a more active development cycle and stronger community engagement.
Crack & Break it !
★4.4 (9.4K)Lemondo Games
This app competes for the same casual prank audience by providing a visual simulation that tricks users into thinking their device is damaged.
Offers a variety of visual 'break' effects, providing more aesthetic variety than the target app's singular scanner interface.
Long-standing market presence has built a recognizable brand in the visual prank space, reducing user acquisition costs.
New Kids on the Block
Implements a daily reward track system that encourages habitual daily logins, a feature the target app currently lacks.
The outtake for Lie Detector - Polygraph Test
Strengths to defend, gaps to attack
Core Strengths
- Interactive scanner interface drives session duration
- Audio-visual feedback loops maximize ad-inventory per session
Critical Frictions
- 45/100 sentiment score indicates high churn risk
- Mandatory internet connectivity requirement frustrates offline users
- Simulation results perceived as arbitrary
Growth Levers
- Implement offline-first architecture to reduce ad-frustration
- Introduce daily reward tracks to improve habitual login rates
Market Threats
- Proximity-sensor-based rivals offer higher-fidelity prank experiences
- High ad-density drives users toward competitors with cleaner interfaces
What are the next best moves?
Ship offline-first mode because mandatory connectivity is a top-3 complaint → reduce churn
Reviewers explicitly question why a simple simulation requires an active internet connection to function.
Trade-off: Pause the visual-asset refresh sprint — offline stability has a higher impact on retention.
A/B test result logic to reduce randomness because arbitrary results are the #1 complaint → improve sentiment
Users complain that red and green light results appear arbitrary rather than reactive.
Trade-off: Deprioritize new sound effect library — fixing the core simulation logic is critical for sentiment.
A counter-intuitive read
The app's reliance on random outcomes is not a failure of design but a feature for prank-based social interaction, provided the UI clearly frames the results as a joke rather than a tool.
Feature Gaps vs Competitors
- Proximity sensor interaction (available in Real Razor but missing here)
- Visual strobe effects (available in Police Lights, Siren, Strobe but missing here)
Key Takeaways
The app captures casual prank interest through simple interactive mechanics, but the perceived randomness of results and mandatory internet connectivity drive high churn, so the PM must prioritize offline-first functionality to stabilize the user base.
Where Is It Heading?
Mixed Signals
The prank utility market is consolidating around high-fidelity, sensor-driven simulations that offer more immersive feedback than static scanners. The app remains exposed to churn as long as it relies on arbitrary result logic and mandatory connectivity, so revenue growth hinges on shifting to an offline-first experience that prioritizes user trust.
Mandatory internet connectivity requirements frustrate users during offline play sessions, which compounds the existing sentiment drag from perceived simulation randomness.
The interactive fingerprint scanner interface successfully drives session duration, providing a stable foundation for ad-inventory if the churn risk is addressed.