Lie Detector Finger Scan vs Quick Maths
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lie Detector Finger Scan
This entertainment app simulates a lie detector using fingerprint scanning. Prank friends and family by making them believe you can detect if they are lying. It offers preset truth or lie answers or random results for fun.
- Fingerprint scanner simulation
- Preset truth/lie answers
- Random result mode
- Realistic animations and sounds
- Prank friends and family
Read full descriptionHide full description
Settle the moment with a playful truth test and skip awkward guessing. Run a finger scan, get a dramatic lie detector verdict, and turn any hangout into a quick party game. Lie Detector Finger Scan helps friends run a simulated lie detector scan for laughs, party prompts, and shareable results. Everything happens on this device, with no account needed and no real lie detection claims. The app is built for entertainment, keeps a clear “For entertainment only” label on results, and gives you quick ways to start a scan, stop it, replay past results, or jump into party games when you want more than a simple finger scan. - Run a Fingerprint scan with a large touch stage, animated scan line, progress bar, and clear Start Scan or Stop control. - Switch result mode between Random and Preset when you want a surprise verdict or want to pin TRUE or LIE for a repeated demo. - Turn on MAYBE for an inconclusive result and add more variety to each truth detector moment. - Watch the verdict reel spin into TRUE, LIE, or MAYBE for a playful reveal, with a simulated stress meter shown beside the polygraph-style gauge. - Save recent lie detector results with time and simulated stress, review summary counts, or clear history in one tap. - Add your own question before a scan or use the random question generator when nobody knows what to ask. - Use Shake-to-Scan for a faster party flow, and keep a Truth Streak going when the same result lands more than once. - Jump into Party Games with decks like Truth or Dare, Would You Rather, Two Truths One Lie, Never Have I Ever, Hot Seat, Couples Quiz, Friend Confessions, and Icebreakers. - Save favorite party cards, filter by category, share a party card image, or test reflexes in Reaction Time with personal-best tracking. - Check Insights to see your TRUE, LIE, and MAYBE split, daily activity, scan mode usage, and party deck activity over time. - Share a result card image with a simulated entertainment badge so friends see the joke right away. - Break the ice at a party with Duo mode, then pass the phone back and forth for turn-based scans. - Add a random question before a Fingerprint scan when the group wants a quick truth or dare style prompt. - Use the History list after game night to replay funny verdicts and compare simulated stress scores. - Open the daily question from the Home Screen widget when you want a fresh prompt without thinking. - Start a quick reaction challenge between rounds of Would You Rather or Never Have I Ever. Pro adds more ways to play: Voice mode with a live waveform, Face mode with a live camera preview and playful pulse highlights, Duo mode, Truth Mode for planned TRUE, LIE, or MAYBE runs, premium party decks, extra voice packs, scan replay from history, a shareable polygraph report, Live Activity during a scan, and ad-free use. Microphone and camera access are only used for simulated scan views, and no audio, photos, or video are recorded. Your scans, favorites, and history stay on this device unless you choose to share or export. Try a finger scan, pick a question, and bring a little drama to your next party. Terms of Use (EULA) - http://www.apple.com/legal/itunes/appstore/dev/stdeula
Quick Maths
This app performs simple addition and subtraction calculations with immersive sound effects. It supports basic arithmetic problems like 2+2 and more.
- Simple addition and subtraction
- Immersive sound effects
- Supports basic calculations
- Perform calculations like 2+2
Read full descriptionHide full description
Quick Maths is great at doing just that - quick maths! Simple additions and subtractions are supported with immersive sounds. Supports calculations such as 2+2 and many more! Follow on Twitter @anthonycr0 for updates.
Screenshots
Verdict
The clearest difference is review sentiment: Quick Maths at 100% against Lie Detector Finger Scan's 50%. Quick Maths also leads on rating (5.0 vs 4.0) and in-app purchases (none vs 3). On price, ratings volume, monetization model and device support 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 Finger Scan sells 3 in-app purchases, starting at $4.99 per 7 days. Quick Maths asks for nothing beyond the download.
Quick Maths holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 50% of Lie Detector Finger Scan's written reviews are positive against 100% of Quick Maths's.
| Parameter | Lie Detector Finger Scan | Quick Maths |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 5 |
| Update frequency | Every 3 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 17 MB |
| Age rating | 4+ | 17+ |
| Developer | Sandeep Bhandari | Anthony Roberts |
Customer experience
Lie Detector Finger Scan
Quick Maths
In-app purchases
Lie Detector Finger Scan
- Pro Weekly$4.997 Days
- Pro Annual7 Days trial$29.991 Year
- Forever Pro$99.99
Quick Maths
No in-app purchases
Questions
Is Lie Detector Finger Scan free?
Is Quick Maths free?
Which has better reviews, Lie Detector Finger Scan or Quick Maths?
Do Lie Detector Finger Scan or Quick Maths have ads?
Other comparisons















