# Lie / Truth Detector vs Charlotte's Web Trivia

The clearest difference is in-app purchases: Charlotte's Web Trivia at none against Lie / Truth Detector's 3. Charlotte's Web Trivia also leads on ads (none vs shown) and update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lie / Truth Detector sells 3 one-off in-app purchases. Charlotte's Web Trivia asks for nothing beyond the download.

Lie / Truth Detector ships an update monthly, Charlotte's Web Trivia weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Lie / Truth Detector | Charlotte's Web Trivia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (306 ratings)](https://appshunter.io/ios/app/lie-truth-detector-polygraph/id1558500142/reviews)** | — |
| Number of ratings | **306** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 6 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Luis Hernando Prada](https://appshunter.io/developer/1554735315) | [Martin Tseng](https://appshunter.io/developer/1217065716) |

## What reviewers say

### Lie / Truth Detector

[App page](https://appshunter.io/ios/app/lie-truth-detector-polygraph/id1558500142)

Simulate a lie or truth detector with this fun app. Analyze what your friends and family say and see if the simulated polygraph detects truth or lies. Features fantastic graphics and effects for hours of entertainment.

**Highlights:** Simulates lie/truth detection, Polygraph simulation, Fantastic graphics, Engaging effects, Hours of fun

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove the ads | $2.99 | one-time |
| AI Detector | $3.99 | one-time |
| All features + no ads | $5.99 | one-time |


### Charlotte's Web Trivia

[App page](https://appshunter.io/ios/app/charlottes-web-trivia/id6479720547)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lie / Truth Detector free?

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

### Is Charlotte's Web Trivia free?

Charlotte's Web Trivia is free to download, with no in-app purchases.

### Do Lie / Truth Detector or Charlotte's Web Trivia have ads?

Lie / Truth Detector shows ads; Charlotte's Web Trivia does not.

### Which is updated more often, Lie / Truth Detector or Charlotte's Web Trivia?

Lie / Truth Detector ships an update monthly, and Charlotte's Web Trivia weekly. Most recently, Lie / Truth Detector was updated on October 24, 2026 and Charlotte's Web Trivia on October 27, 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.*