# mood finger scan vs Truth and Lie Detector

The clearest difference is rating: mood finger scan at 2.9 against Truth and Lie Detector's 2.3. mood finger scan also leads on ads (none vs shown) and ratings volume (852 vs 71). Truth and Lie Detector's advantage is update cadence (every 18 months vs every 37 months). On price, review sentiment, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

mood finger scan holds the better App Store score, 2.9 against 2.3. That said, the two scores are not equally well evidenced: mood finger scan has 852 ratings behind it against 71, so its average is the more settled of the two. Written reviews point the same way: 34% of mood finger scan's written reviews are positive against 30% of Truth and Lie Detector's.

mood finger scan ships an update every 37 months, Truth and Lie Detector every 18 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | mood finger scan | Truth and Lie Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (852 ratings)](https://appshunter.io/ios/app/mood-finger-scan/id405862075/reviews)** | [2.3 (71 ratings)](https://appshunter.io/ios/app/truth-and-lie-detector/id1198024414/reviews) |
| Number of ratings | **852** | 71 |
| Positive reviews | **34.0% of reviews** | 29.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 18 months** |
| Monetization | **Free** | Ad-supported |
| Size | 42 MB | 10 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Indigo Penguin Limited](https://appshunter.io/developer/307462568) | [Fahad Manzoor](https://appshunter.io/developer/1144176876) |

## What reviewers say

### mood finger scan

[App page](https://appshunter.io/ios/app/mood-finger-scan/id405862075)

Scan your finger to reveal your current mood. A fun and simple way to explore your emotional state through a quick fingertip analysis.

**Highlights:** Finger scanning for mood detection, Discover your mood, Entertainment purposes

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Mood detection works well
- 🤩 Fun to use with friends
- 🎉 Accurate in some cases

**What reviewers complain about**

- 🤥 Inaccurate mood detection
- 🤔 Requests microphone and fingerprint access
- 🙄 Gives random/incorrect responses
- 😒 Doesn't work consistently

**Reported bugs**

- Crashes on launch
- Freezes during use
- Incompatible with newer iOS versions

**Requested features**

- More mood options
- Improved accuracy
- Ability to save/share results


### Truth and Lie Detector

[App page](https://appshunter.io/ios/app/truth-and-lie-detector/id1198024414)

This entertainment app allows you to prank friends and family by simulating a lie detector test. It's designed for humorous interactions and does not offer real lie detection capabilities.

**Highlights:** Simulated lie detector test, Prank mode, Humorous interactions, Fake truth detection

**In-app purchases:** none

**What reviewers like**

- 👍 Works sometimes
- 👍 Accurate when it works

**What reviewers complain about**

- 🤥 Consistently reports lies as true
- 🤥 Consistently reports truths as lies
- 🤥 Reports lies when nothing is said
- 🤥 Predictable true/false pattern
- 🤥 Fake fingerprints

**Reported bugs**

- App says lie when user says truth
- App says true when user says lie
- App says lie when no input is given
- App follows a true/false pattern
- Fingerprint detection is fake

**Requested features**

- Make the app actually work
- Fix the lie detector functionality
- Remove sexually explicit ads
- Improve accuracy on iPads


## Frequently asked questions

### Is mood finger scan free?

mood finger scan is free to download, with no in-app purchases.

### Is Truth and Lie Detector free?

Truth and Lie Detector is free to download, with no in-app purchases.

### Which has better reviews, mood finger scan or Truth and Lie Detector?

mood finger scan is rated higher. mood finger scan averages 2.9 out of 5 from 852 ratings, while Truth and Lie Detector averages 2.3 from 71 ratings.

### Do mood finger scan or Truth and Lie Detector have ads?

Truth and Lie Detector shows ads; mood finger scan does not.

### Which is updated more often, mood finger scan or Truth and Lie Detector?

mood finger scan ships an update every 37 months, and Truth and Lie Detector every 18 months. Most recently, mood finger scan was updated on November 6, 2026 and Truth and Lie Detector on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*