# Lie Detector vs Shelfed

The clearest difference is in-app purchases: Shelfed at none against Lie Detector's 7. Shelfed also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lie Detector sells 7 in-app purchases, starting at $1.99 per 7 days. Shelfed asks for nothing beyond the download.

Lie Detector ships an update monthly, Shelfed every 2 weeks. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Lie Detector | Shelfed |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.3K ratings)](https://appshunter.io/ios/app/lie-detector-scanner-game/id1606733866/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 43 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [WeBrain](https://appshunter.io/developer/1578514377) | [Anna Ricarda Hauschild](https://appshunter.io/developer/6786206448) |

## What reviewers say

### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-scanner-game/id1606733866)

This is a humorous game that simulates lie detection. Test your friends and family by having them answer questions while the app analyzes their voice or face. You can even rig the results for a good laugh.

**Highlights:** Simulates lie detection, Voice analysis during scan, Face analysis during scan, Rig scan results for pranks, Fun for friends and family

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $1.99 | per 7 days |
| Premium subscriptions | $1.99 | per 7 days |
| Premium Subscription | $3.99 | per month |
| Premium subscription | $3.99 | per month |
| Lie Detector Test | $4.99 | per year |
| Premium subscription | $9.99 | per year |
| Premium subscription | $9.99 | per year |

**What reviewers like**

- 👍 Best one
- 👍 Very accurate
- 👍 Good game

**What reviewers complain about**

- 💰 Expensive subscription
- 🤔 Inconsistent results
- ❌ Doesn't work as expected
- 🚫 Scam/not legit

**Reported bugs**

- Incorrect results
- Technical issues with scanners

**Requested features**

- Free access to all features
- Improve accuracy and reliability


### Shelfed

[App page](https://appshunter.io/ios/app/shelfed/id6786206446)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lie Detector free?

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

### Is Shelfed free?

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

### Do Lie Detector or Shelfed have ads?

Lie Detector shows ads; Shelfed does not.

### Which is updated more often, Lie Detector or Shelfed?

Lie Detector ships an update monthly, and Shelfed every 2 weeks. Most recently, Lie Detector was updated on October 27, 2026 and Shelfed on October 17, 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.*