Comparison

Lie Detector vs Spinni

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

Head to head
About

Lie Detector

This app simulates lie detection using fingerprint, eye, and voice scanners for entertainment. It's designed to prank friends and family with fun sound effects and secret result controls.

Highlights
  • Simulated fingerprint scanner
  • Simulated eye scanner
  • Simulated voice detector
  • Fun sound effects
  • Secret result control
Features
Read full description

Lie Detector – Prank Simulator Lie Detector is an entertaining prank app that simulates detecting whether someone is “telling the truth” or “lying.” This app is for entertainment purposes only and cannot determine real-life truthfulness. Use it to surprise and entertain friends and family. Features * Fingerprint Scanner: The app simulates the fingerprint scanning process. Ask a question, have the player place their finger on the screen and get a simulated result of “Truth” or “Lie”. * Eye Scanner: Simulate iris scanning with the camera and display a fun result. * Voice Detector: Record a voice response and receive a random truth or lie result. * Fun Sound Effects: Includes nearly 100 sounds to make pranks more entertaining. * Secret Result Control: Use volume buttons to secretly set the next scan result. How to Play 1. Open the app. 2. Choose a mode: Fingerprint, Eye Scan, or Voice Detection. 3. Ask any question. 4. Scan as instructed. 5. View the simulated result. 6. Optionally, control the result using the volume buttons. Disclaimer This is a prank app for entertainment purposes only. Results are simulated and not based on actual lie detection. Terms of Use: https://nekosoft-studio.web.app/terms_of_service.html Privacy Policy: https://nekosoft-studio.web.app/privacy_policy.html

About

Spinni

Read full description

Spinni makes it fast and fun to choose who goes first. Add names by typing, pasting, or simply saying them out loud. Then choose how you want Spinni to pick: spin the colorful Name Wheel or switch to Spin the Bottle. Perfect for parties, games, classrooms, sports, family activities, challenges, and everyday decisions. Simple. Colorful. Fun. Features: • Name Wheel • Spin the Bottle • Add names with your voice • Fast and smooth spinning • Random selection every spin • Easy name editing • Paste, shuffle, and sort names • Fun animations and effects • Designed for friends, families, teachers, and groups Whether you need to decide who starts a game, answers first, takes the next turn, cleans up, or gets picked from the group, Spinni makes choosing someone part of the fun.

Screenshots

Lie Detector4 screens
Spinni3 screens

Verdict

The call

The clearest difference is in-app purchases: Spinni at none against Lie Detector's 1. Lie Detector's advantage is update cadence (every 9 days vs every 6 weeks). On price, ads, device support and iOS requirement 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 sells 1 one-off in-app purchase. Spinni asks for nothing beyond the download.

UpkeepUpdate frequency

Lie Detector ships an update every 9 days, Spinni every 6 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Lie Detector versus Spinni: the parameters behind the verdict, then further details
ParameterLie DetectorSpinni
PriceFreeFree
Rating3.2 (164 ratings) — better—
Positive reviews11.5% of reviews—
Number of ratings164 — better—
Update frequencyEvery 9 days — betterEvery 6 weeks
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.6
Further details — not scored
Size111 MB17 MB
Age rating4+4+
DeveloperNeko SoftChristopher Thaulow-Landmark

In-app purchases

1 purchases

Lie Detector

One-time1
  • Remove ads$6.99
None

Spinni

No in-app purchases

Questions

Is Lie Detector free?
Lie Detector is free to download, with in-app purchases available.
Is Spinni free?
Spinni is free to download, with no in-app purchases.
Do Lie Detector or Spinni have ads?
Both Lie Detector and Spinni show ads.
Which is updated more often, Lie Detector or Spinni?
Lie Detector ships an update every 9 days, and Spinni every 6 weeks. Most recently, Lie Detector was updated on November 5, 2026 and Spinni on October 31, 2026.

Other comparisons