Report updated Jun 5, 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.
What is Lie Detector - Polygraph Test?
Lie Detector - Polygraph Test is a simulation app for casual prank-based entertainment on Android.
Users hire this app for low-stakes social interaction, using the simulated biometric scanner to facilitate jokes among friends.
Current Momentum
v0.1
- Last major update May 2026.
- No new features added recently.
Active Nemesis
Police Siren Lights Pro
By Ichiban Mobile
Other Rivals
7-Day Rank Pulse 🇺🇸
SimulationNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
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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
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
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 - Polygraph Test?
How's The Simulation Market?
Market outlook for this category
Available very soon
Which niche is Lie Detector - Polygraph Test in?
to play pranks on friends and family
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 by offering a suite of simulated emergency tools that serve as a digital toy for users seeking quick, interactive entertainment.
Differentiators
- Massive install base and long-term market presence create a significant barrier to entry for new simulators.
- Offers a broader utility suite including sirens and stun guns, providing higher replay value than single-function apps.
- Established brand authority in the prank category makes it the default choice for users searching for police-themed tools.
Head to head
The target app should pivot toward social features or multiplayer modes to differentiate from the nemesis's static utility-based dominance.
Same space(4)
Both apps leverage hardware sensors to create a deceptive, prank-oriented simulation that tricks users into believing their phone has transformed into a physical tool.
Differentiators
- 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.
This app occupies the same 'prank utility' niche, targeting users who want to simulate emergency equipment for entertainment purposes.
Differentiators
- 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.
This is a direct competitor in the 'prank app' category, utilizing similar psychological triggers to fool friends through simulated hardware functionality.
Differentiators
- 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.
This app competes for the same casual prank audience by providing a visual simulation that tricks users into thinking their device is damaged.
Differentiators
- 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 entrants(1)
While currently focused on rewards, this newcomer enters the entertainment category and could pivot to capture the same casual, low-attention-span user base.
Differentiators
- Implements a daily reward track system that encourages habitual daily logins, a feature the target app currently lacks.
Compare Lie Detector - Polygraph Test 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 - Polygraph Test
Strengths to defend, gaps to attack
Core Strengths
- Focused scanner interface provides immediate, low-barrier entry for younger users.
Critical Frictions
- No recurring engagement loops; 0.1.0 version suggests limited feature expansion.
Growth Levers
- Integration of social or multiplayer modes to differentiate from static utility rivals.
Market Threats
- Competitors with multi-sensory utility suites (sirens, strobe lights) drain the casual prank audience.
What are the next best moves?
Ship social sharing mode because the current scanner lacks replay value → increase viral acquisition.
Competitors like Police Siren Lights Pro offer broader utility, making the target's singular scanner feel limited.
Trade-off: Pause the planned UI refresh for the scanner screen — social features have higher retention impact.
A counter-intuitive read
The app's simplicity is its primary vulnerability, as the lack of multi-sensory utility makes it a 'one-and-done' download that cannot compete with the retention of multi-tool prank suites.
Feature Gaps vs Competitors
- Multi-sensory utility suite (available in Police Siren Lights Pro but missing here)
- Proximity sensor integration (available in Hair Trimmer Prank! but missing here)
Key Takeaways
The app succeeds as a simple prank tool, but its lack of multi-sensory utility leaves it exposed to rivals, so the PM should prioritize social features to drive repeat usage.
Where Is It Heading?
Stable
The prank app market is consolidating around multi-utility suites that offer higher replay value than single-function scanners. Without active feature expansion, the app will likely see stagnant growth as users migrate to rivals with more frequent updates.
Lack of feature updates since the initial release limits the app's ability to retain users against more active competitors.