# Face Lie Detector vs Line It Up Camera

The clearest difference is ads: Line It Up Camera at none against Face Lie Detector's shown. Line It Up Camera also leads on update cadence (every 5 days vs every 4 months). Face Lie Detector's advantage is iOS requirement (15.0 vs 26.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Face Lie Detector sells 3 in-app purchases, starting at $0.99 per month and Line It Up Camera sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Face Lie Detector ships an update every 4 months, Line It Up Camera every 5 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Face Lie Detector | Line It Up Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2.1K ratings)](https://appshunter.io/ios/app/face-lie-detector/id1310263913/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 22.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 89 MB | 32 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 9+ | 4+ |
| Developer | [Kunal Verma](https://appshunter.io/developer/807662175) | [Michael Seneschal](https://appshunter.io/developer/1888668746) |

## What reviewers say

### Face Lie Detector

[App page](https://appshunter.io/ios/app/face-lie-detector/id1310263913)

Simulate lie detection using your device's camera and fingerprint scanner. This prank app offers a fun way to entertain friends with simulated truth or lie tests. Unlock advanced recording features through an in-app purchase for private use.

**Highlights:** Face scanner simulation, Fingerprint scanner simulation, Robotic voice output, Face detection auto-stop, In-app purchase for recording

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access Monthly | $0.99 | per month |
| Full Access (3 months) | $1.99 | per 3 months |
| Get more features and no ads. | $0.99 | one-time |

**What reviewers like**

- 🚀 Fun to use
- 👍 Good for pranks
- 🤩 Entertaining

**What reviewers complain about**

- 🐛 Inaccurate results
- 😒 Says 'lie' too often
- 💰 Face scan feature is paid

**Reported bugs**

- Inconsistent results
- Incorrectly identifies truths as lies
- Doesn't work as advertised

**Requested features**

- Improve accuracy of lie detection
- Add more 'truth' responses
- Make face scan feature free


### Line It Up Camera

[App page](https://appshunter.io/ios/app/line-it-up-camera/id6786319734)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| Lifetime Unlock | $19.99 | one-time |


## Frequently asked questions

### Is Face Lie Detector free?

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

### Is Line It Up Camera free?

Line It Up Camera is free to download, with in-app purchases available.

### Do Face Lie Detector or Line It Up Camera have ads?

Face Lie Detector shows ads; Line It Up Camera does not.

### Which is updated more often, Face Lie Detector or Line It Up Camera?

Face Lie Detector ships an update every 4 months, and Line It Up Camera every 5 days. Most recently, Face Lie Detector was updated on November 2, 2026 and Line It Up Camera on October 31, 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.*