# Lie / Truth Detector vs ICFC Internacional

The clearest difference is in-app purchases: ICFC Internacional at none against Lie / Truth Detector's 3. ICFC Internacional also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Lie / Truth Detector's advantage is update cadence (monthly vs every 17 months). On price and device support there is nothing between them.

Both are free to download. Lie / Truth Detector sells 3 one-off in-app purchases. ICFC Internacional asks for nothing beyond the download.

Lie / Truth Detector ships an update monthly, ICFC Internacional every 17 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Lie / Truth Detector | ICFC Internacional |
| --- | --- | --- |
| 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** | Every 17 months |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 35 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Luis Hernando Prada](https://appshunter.io/developer/1554735315) | [Teveo Colombia](https://appshunter.io/developer/1271170444) |

## 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 |


### ICFC Internacional

[App page](https://appshunter.io/ios/app/icfc-internacional/id1639999929)

**Features:** macOS Compatibility

**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 ICFC Internacional free?

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

### Do Lie / Truth Detector or ICFC Internacional have ads?

Lie / Truth Detector shows ads; ICFC Internacional does not.

### Which is updated more often, Lie / Truth Detector or ICFC Internacional?

Lie / Truth Detector ships an update monthly, and ICFC Internacional every 17 months. Most recently, Lie / Truth Detector was updated on November 7, 2026 and ICFC Internacional on November 3, 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.*