Lie Detector Test vs Lie / Truth Detector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lie Detector Test
This entertainment app simulates a lie detector test using photos. It scans images and randomly declares the subject as telling the truth or lying for humorous effect. It's designed purely for amusement and has no real detection capabilities.
- Photo scanning simulation
- Random truth/lie results
- Use new or existing photos
- Add player names
- Entertaining game for friends
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This game is for fun only and has no actual photo detection or recognition capabilities. How it works: - Press start to take a new photo OR choose an existing photo of the player from within the game! - Add the name of the player! (optional) - Press scan and the scanner lights up and scans over your photo then speaks a random selected game result - truth or lie!
Lie / Truth Detector
Simulate a lie or truth detector with this fun app. Analyze what your friends and family say and see if the simulated polygraph detects truth or lies. Features fantastic graphics and effects for hours of entertainment.
- Simulates lie/truth detection
- Polygraph simulation
- Fantastic graphics
- Engaging effects
- Hours of fun
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Do you want to have fun with your friends and family by simulating with this truth and lie detector or polygraph simulator? Simulate if what they are saying would be true or false Characteristics: - "Lie or truth detector / polygraph" simulates that you analyze what you are saying - Fantastic graphics and effects - Have fun for hours with this truth and lie detector simulator. - Simulate using a polygraph Disclaimer: This polygraph / lie detector app is designed for entertainment purposes only and does not provide real truth detector functionality.
Screenshots
Verdict
The clearest difference is ratings volume: Lie Detector Test at 1.8K against Lie / Truth Detector's 291. On price, rating, review sentiment and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Lie Detector Test sells 1 one-off in-app purchase and Lie / Truth Detector sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.1 for Lie Detector Test against 4.0 for Lie / Truth Detector. That said, the two scores are not equally well evidenced: Lie Detector Test has 1.8K ratings behind it against 291, so its average is the more settled of the two. Written reviews are what separate them: 52% of Lie Detector Test's written reviews are positive against 44% of Lie / Truth Detector's.
Lie Detector Test ships an update every 6 weeks, Lie / Truth Detector monthly. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.
| Parameter | Lie Detector Test | Lie / Truth Detector |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (1.8K ratings) — better | 4.0 (291 ratings) |
| Positive reviews | 51.5% of reviews — better | 44.4% of reviews |
| Number of ratings | 1.8K — better | 291 |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 120 MB |
| Age rating | 4+ | 4+ |
| Developer | Tim Denyer | Luis Hernando Prada |
Customer experience
Lie Detector Test
Lie / Truth Detector
Bugs and requests
Lie Detector Test
Reported bugs
3 issues- App crashes or freezes on some devices
- Incorrect lie/truth detection
- Issues with photo scanning functionality
Requested features
3 requests- Add fingerprint scanning option
- Improve accuracy of lie detection
- Provide more customization options
Lie / Truth Detector
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lie Detector Test
- Remove the adverts$0.99
Lie / Truth Detector
- Remove the ads$2.99
- AI Detector$3.99
- All features + no ads$5.99
Questions
Is Lie Detector Test free?
Is Lie / Truth Detector free?
Which has better reviews, Lie Detector Test or Lie / Truth Detector?
Do Lie Detector Test or Lie / Truth Detector have ads?
Which is updated more often, Lie Detector Test or Lie / Truth Detector?
Other comparisons
