# Lie Detector vs Falling Filter

The clearest difference is rating: Lie Detector at 3.2 against Falling Filter's 1.5. Lie Detector also leads on update cadence (every 8 days vs every 3 weeks). Falling Filter's advantage is in-app purchases (none vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Lie Detector holds the better App Store score, 3.2 against 1.5. Both are backed by a comparable volume of ratings — 114 and 39 respectively. Written reviews point the same way: 11% of Lie Detector's written reviews are positive against 8% of Falling Filter's.

Lie Detector ships an update every 8 days, Falling Filter every 3 weeks. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Lie Detector | Falling Filter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (114 ratings)](https://appshunter.io/ios/app/lie-detector-prank-simulator/id6755752509/reviews)** | [1.5 (39 ratings)](https://appshunter.io/ios/app/falling-filter-loop-me-fun/id6757424352/reviews) |
| Number of ratings | **114** | 39 |
| Positive reviews | **10.5% of reviews** | 7.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 55 MB | 135 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neko Soft](https://appshunter.io/developer/1854316633) | [Nam Tran Van](https://appshunter.io/developer/1823171023) |

## What reviewers say

### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-prank-simulator/id6755752509)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $6.99 | one-time |


### Falling Filter

[App page](https://appshunter.io/ios/app/falling-filter-loop-me-fun/id6757424352)

Create realistic falling effects on your screen or in videos to surprise friends or make viral content. Includes a fun fruit peeling challenge. Enjoy interactive entertainment and shareable moments.

**Highlights:** Realistic falling screen effects, Video falling effect creation, Surprise friends feature, Viral short video creation, Interactive fruit peeling challenge, Smooth peeling visual effects

**In-app purchases:** none


## Frequently asked questions

### Is Lie Detector free?

Lie Detector is free to download, with in-app purchases available.

### Is Falling Filter free?

Falling Filter is free to download, with no in-app purchases.

### Which has better reviews, Lie Detector or Falling Filter?

Lie Detector is rated higher. Lie Detector averages 3.2 out of 5 from 114 ratings, while Falling Filter averages 1.5 from 39 ratings.

### Do Lie Detector or Falling Filter have ads?

Both Lie Detector and Falling Filter show ads.

### Which is updated more often, Lie Detector or Falling Filter?

Lie Detector ships an update every 8 days, and Falling Filter every 3 weeks. Most recently, Lie Detector was updated on September 21, 2026 and Falling Filter on September 24, 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.*