Comparison

Lie Detector Truth Test vs iZyns

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lie Detector Truth Test

Simulate a lie detector test using your device's screen and microphone. Analyze spoken words to determine if they are a truth or a lie, perfect for pranks and entertainment with friends and family.

Highlights
  • Fingerprint and voice scan simulation
  • Analyzes spoken words for truth/lie
  • Realistic computer voice
  • Prank mode
  • Amazing graphics and sounds
  • Hilarious fun
Read full description

The best truth and lie detector test app. Download now! Place your fingers on the screen and say something to find out if it is a truth or a lie. Make your friends and family laugh by saying funny things and finding out if they are true or false! Features: - Lie detector analyses what you say - Amazing graphics and sounds - Realistic computer voice - Prank mode - Hours of hilarious fun! Disclaimer: This lie detector app is intended for entertainment purposes only and does not provide real truth detector functionality.

About

iZyns

Features
Read full description

iZyn is a nostalgic novelty app inspired by classic early-iPhone experiences. Browse a fictional collection of stylized pouch designs, customize your own with your favorite photos. FEATURES: • Swipe through a collection of pouch designs • Create your own custom pouch with any photo • Multiple cosmetic mouth skins This app is a parody/novelty experience for entertainment purposes only. It does not promote or encourage the use of nicotine or tobacco products. Not affiliated with or endorsed by any real nicotine brand. For users 21 and over.

Screenshots

Lie Detector Truth Test2 screens
iZyns4 screens

Verdict

The call

The clearest difference is in-app purchases: iZyns at none against Lie Detector Truth Test's 1. iZyns also leads on ads (none vs shown) and update cadence (daily vs every 3 months). Lie Detector Truth Test's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lie Detector Truth Test sells 1 one-off in-app purchase. iZyns asks for nothing beyond the download.

UpkeepUpdate frequency

Lie Detector Truth Test ships an update every 3 months, iZyns daily. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
Lie Detector Truth Test versus iZyns: the parameters behind the verdict, then further details
ParameterLie Detector Truth TestiZyns
PriceFreeFree
Rating4.6 (49K ratings) — better—
Positive reviews51.1% of reviews—
Number of ratings49K — better—
Update frequencyEvery 3 monthsDaily — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.2
Further details — not scored
Size167 MB18 MB
Age rating12+17+
DeveloperFirst Class Media B.V.Mike Nguyen

Bugs and requests

Lie Detector Truth Test

Reported bugs

3 issues
  • Crashes on some devices
  • Fingerprint scanning issues
  • Incorrect results for true statements

Requested features

3 requests
  • Reduce ads
  • Improve accuracy and consistency
  • Add voice detection option

iZyns

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Lie Detector Truth Test

One-time1
  • Remove ads$1.99
None

iZyns

No in-app purchases

Questions

Is Lie Detector Truth Test free?
Lie Detector Truth Test is free to download, with in-app purchases available.
Is iZyns free?
iZyns is free to download, with no in-app purchases.
Do Lie Detector Truth Test or iZyns have ads?
Lie Detector Truth Test shows ads; iZyns does not.
Which is updated more often, Lie Detector Truth Test or iZyns?
Lie Detector Truth Test ships an update every 3 months, and iZyns daily. Most recently, Lie Detector Truth Test was updated on November 1, 2026 and iZyns on October 28, 2026.

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