# Riddle AI vs Lie detector

The clearest difference is review sentiment: Lie detector at 50% against Riddle AI's 0%. Lie detector also leads on rating (4.0 vs 1.0) and in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Riddle AI sells 1 in-app purchase, starting at $1.99 per 7 days. Lie detector asks for nothing beyond the download.

Lie detector holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Lie detector has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Riddle AI's written reviews are positive against 50% of Lie detector's.

Riddle AI ships an update every 2 months, Lie detector weekly. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Riddle AI | Lie detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/riddle-ai-funny-prank-genie/id1668461663/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/lie-detector-test/id6445990039/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 3 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Emre Yigit Alparslan](https://appshunter.io/developer/1662366235) | [Warlock Arts](https://appshunter.io/developer/696755058) |

## What reviewers say

### Riddle AI

[App page](https://appshunter.io/ios/app/riddle-ai-funny-prank-genie/id1668461663)

This app uses AI to generate challenging riddles and humorous jokes about celebrities. It offers a fun way to improve critical thinking and keep your mind sharp with an endless supply of puzzles and laughs.

**Highlights:** AI-generated riddles, Funny celebrity jokes, Brain workout, Critical thinking improvement, User-friendly interface, Endless puzzles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |


### Lie detector

[App page](https://appshunter.io/ios/app/lie-detector-test/id6445990039)

This app simulates a lie detector by scanning a fingerprint to determine if someone is telling the truth or lying. It measures pulse variations to provide a "mind reading" result, intended for entertainment and pranks.

**Highlights:** Fingerprint scanning lie detection simulation, Pulse variation analysis, Simulates a polygraph test, Prank friends and family, Entertainment purposes only

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

**In-app purchases:** none


## Frequently asked questions

### Is Riddle AI free?

Riddle AI is free to download, with in-app purchases available.

### Is Lie detector free?

Lie detector is free to download, with no in-app purchases.

### Which has better reviews, Riddle AI or Lie detector?

Lie detector is rated higher. Riddle AI averages 1.0 out of 5 from 1 ratings, while Lie detector averages 4.0 from 5 ratings.

### Do Riddle AI or Lie detector have ads?

Neither Riddle AI nor Lie detector shows ads.

### Which is updated more often, Riddle AI or Lie detector?

Riddle AI ships an update every 2 months, and Lie detector weekly. Most recently, Riddle AI was updated on October 9, 2026 and Lie detector on October 14, 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.*