# Lie Detector vs formula telemetry

The clearest difference is rating: formula telemetry at 5.0 against Lie Detector's 2.5. formula telemetry also leads on in-app purchases (none vs 1) and ads (none vs shown). Lie Detector's advantage is ratings volume (4 vs 1) and iOS requirement (15.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Lie Detector sells 1 one-off in-app purchase. formula telemetry asks for nothing beyond the download.

formula telemetry holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Lie Detector ships an update every 4 months, formula telemetry every 2 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Lie Detector | formula telemetry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/lie-detector-test-polygraph/id6743166969/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/formula-telemetry/id6786499550/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Ad-supported | **Free** |
| Size | 88 MB | 64 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [MARIIA KOSHINA](https://appshunter.io/developer/1761343322) | [Dmitrii Ivanov](https://appshunter.io/developer/1889884934) |

## What reviewers say

### Lie Detector

[App page](https://appshunter.io/ios/app/lie-detector-test-polygraph/id6743166969)

This game simulates a lie detector for entertainment and pranks. Place your finger on the scanner, and it will analyze if a statement is true or false with a simple yes or no. Enjoy realistic animations, heartbeat charts, and sounds for a fun experience.

**Highlights:** Lie detector simulation, Fingerprint scanning animation, Heartbeat chart display, Realistic sound effects, Entertainment and pranks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove all ads | $9.99 | one-time |


### formula telemetry

[App page](https://appshunter.io/ios/app/formula-telemetry/id6786499550)

Enhance your F1 gaming experience with live telemetry and in-depth lap analysis. Track car performance, driver stats, and race history in real-time. Analyze your laps with detailed charts and compare them to optimize your performance.

**Highlights:** Live timing and classification, Real-time car map, Detailed driver performance metrics, Full-screen dashboard display, Lap replay and comparison, Session history and export, Setup sheets and circuit data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lie Detector free?

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

### Is formula telemetry free?

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

### Which has better reviews, Lie Detector or formula telemetry?

formula telemetry is rated higher. Lie Detector averages 2.5 out of 5 from 4 ratings, while formula telemetry averages 5.0 from 1 ratings.

### Do Lie Detector or formula telemetry have ads?

Lie Detector shows ads; formula telemetry does not.

### Which is updated more often, Lie Detector or formula telemetry?

Lie Detector ships an update every 4 months, and formula telemetry every 2 months. Most recently, Lie Detector was updated on October 7, 2026 and formula telemetry on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*