Ace Lie Detector Polygraph vs Mood Scanner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ace Lie Detector Polygraph
This entertainment app simulates a lie detector for fun. Use its visual technology to "detect" truths from friends and family. Upgrade to manipulate results for jokes.
- Simulated lie detection
- TruthWave™ visual technology
- Live data display
- Result manipulation for jokes
- Impress and intimidate friends
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This app is intended for entertainment purposes only and does not provide true polygraph functionality. Find the TRUE answer to any question you ask of friends, parents, girlfriends, boyfriends, teachers! Lie Detector Polygraph with TruthWave™ visual technology has never been so accessible and affordable! Ultra-cool polygraph TruthWave™ data is displayed live while you conduct your interrogation and it looks awesome! Impress and intimidate your friends with this super slick and useful app! Upgrade to manipulate the results and play jokes on your friends. Trust us it's funny!
Mood Scanner
Simulate a mood scanner with realistic graphics to entertain friends and family. This app is for amusement only and does not detect actual moods.
- Realistic scanning graphics
- Simulates mood detection
- Entertain friends and family
- Amusement purposes only
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This app is intended for entertainment purposes only and does not provide true mood detector functionality. Shock your friends and family with the cool scanning graphics that make your iPhone screen look like a real Mood scanning device!
Screenshots
Verdict
The clearest difference is ads: Ace Lie Detector Polygraph at none against Mood Scanner's shown. Ace Lie Detector Polygraph also leads on update cadence (every 4 weeks vs every 13 months) and review sentiment (37% vs 10%). On price, ratings volume, in-app purchases and monetization model 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. Ace Lie Detector Polygraph sells 1 one-off in-app purchase and Mood Scanner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Ace Lie Detector Polygraph holds the better App Store score, 3.1 against 2.8. Both are backed by a comparable volume of ratings — 18 and 39 respectively. Written reviews point the same way: 37% of Ace Lie Detector Polygraph's written reviews are positive against 10% of Mood Scanner's.
Ace Lie Detector Polygraph ships an update every 4 weeks, Mood Scanner every 13 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Ace Lie Detector Polygraph | Mood Scanner |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (18 ratings) — better | 2.8 (39 ratings) |
| Positive reviews | 36.9% of reviews — better | 10.3% of reviews |
| Number of ratings | 18 | 39 — better |
| Update frequency | Every 4 weeks — better | Every 13 months |
| Ads | No — better | 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 | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 15 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Tiny Mobile Inc. | Fahad Manzoor |
Customer experience
Ace Lie Detector Polygraph
Mood Scanner
Bugs and requests
Ace Lie Detector Polygraph
Reported bugs
2 issues- App loads upside down on some devices
- Upgrade doesn't work as expected
Requested features
2 requests- Ability to record audio for more accurate detection
- Option to customize the detection logic
Mood Scanner
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ace Lie Detector Polygraph
- Lie Detector Upgrade - Lie Detection special$0.99
Mood Scanner
- Pro Version$3.99
Questions
Is Ace Lie Detector Polygraph free?
Is Mood Scanner free?
Which has better reviews, Ace Lie Detector Polygraph or Mood Scanner?
Do Ace Lie Detector Polygraph or Mood Scanner have ads?
Which is updated more often, Ace Lie Detector Polygraph or Mood Scanner?
Other comparisons
