# Callsign Live vs Truth Scan Biometric Polygraph

The clearest difference is price: Callsign Live at Free against Truth Scan Biometric Polygraph's $0.99. Truth Scan Biometric Polygraph's advantage is update cadence (every 6 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Callsign Live is free to download; Truth Scan Biometric Polygraph costs $0.99 up front. Callsign Live sells 3 one-off in-app purchases and Truth Scan Biometric Polygraph sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Callsign Live ships an update every 3 months, Truth Scan Biometric Polygraph every 6 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Callsign Live | Truth Scan Biometric Polygraph |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.8 (51 ratings)](https://appshunter.io/ios/app/callsign-live/id1117100222/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 46.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 268 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [LASER TAG PRO](https://appshunter.io/developer/1103847004) | [Thomas Adler](https://appshunter.io/developer/1863023993) |

## What reviewers say

### Callsign Live

[App page](https://appshunter.io/ios/app/callsign-live/id1117100222)

Enhance your live-action gaming with this app that connects you to laser tag battlefields worldwide or at home. Track detailed stats, earn rewards, and stay connected with friends. It transforms laser tag into a tactical, digitally enhanced experience.

**Highlights:** Digitally enhanced live gaming experience, Connect to global laser tag battlefields, Track detailed player stats (kills, deaths, accuracy), Earn XP and unlock rewards, In-game heads-up display with vitals and scoring, Instant messaging and friend profiles

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 Battle Coins | $3.99 | one-time |
| 500 Battle Coins | $5.99 | one-time |
| 1000 Battle Coins | $9.99 | one-time |


### Truth Scan Biometric Polygraph

[App page](https://appshunter.io/ios/app/truth-scan-biometric-polygraph/id6770013367)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Truth Scan Pro | $3.99 | per month |
| yearly | $39.99 | per year |


## Frequently asked questions

### Is Callsign Live free?

Callsign Live is free to download, with in-app purchases available.

### Is Truth Scan Biometric Polygraph free?

Truth Scan Biometric Polygraph costs $0.99, and also offers in-app purchases.

### Do Callsign Live or Truth Scan Biometric Polygraph have ads?

Neither Callsign Live nor Truth Scan Biometric Polygraph shows ads.

### Which is updated more often, Callsign Live or Truth Scan Biometric Polygraph?

Callsign Live ships an update every 3 months, and Truth Scan Biometric Polygraph every 6 weeks. Most recently, Callsign Live was updated on October 9, 2026 and Truth Scan Biometric Polygraph on October 12, 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.*