# Lightning In A Bottle vs Truth Scan Biometric Polygraph

The clearest difference is price: Lightning In A Bottle at Free against Truth Scan Biometric Polygraph's $0.99. Lightning In A Bottle also leads on in-app purchases (none vs 2). Truth Scan Biometric Polygraph's advantage is update cadence (every 6 weeks vs every 5 months). On ads, device support and iOS requirement there is nothing between them.

Lightning In A Bottle is free to download; Truth Scan Biometric Polygraph costs $0.99 up front. Truth Scan Biometric Polygraph sells 2 in-app purchases, starting at $3.99 per month. Lightning In A Bottle asks for nothing beyond the download.

Lightning In A Bottle ships an update every 5 months, Truth Scan Biometric Polygraph every 6 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lightning In A Bottle | Truth Scan Biometric Polygraph |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.9 (26 ratings)](https://appshunter.io/ios/app/lightning-in-a-bottle/id6446254582/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 119 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [DO LAB, INC., THE](https://appshunter.io/developer/1113921541) | [Thomas Adler](https://appshunter.io/developer/1863023993) |

## What reviewers say

### Lightning In A Bottle

[App page](https://appshunter.io/ios/app/lightning-in-a-bottle/id6446254582)

Plan your festival experience with this app. Discover artist lineups, schedules, and guides. Register your wristband, create a custom schedule, and receive real-time updates for a seamless journey.

**Highlights:** Artist lineup exploration, Music and activity schedules, Comprehensive guides, Wristband registration, Custom schedule creation, Real-time updates and announcements

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Lightning In A Bottle free?

Lightning In A Bottle is free to download, with no in-app purchases.

### Is Truth Scan Biometric Polygraph free?

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

### Do Lightning In A Bottle or Truth Scan Biometric Polygraph have ads?

Neither Lightning In A Bottle nor Truth Scan Biometric Polygraph shows ads.

### Which is updated more often, Lightning In A Bottle or Truth Scan Biometric Polygraph?

Lightning In A Bottle ships an update every 5 months, and Truth Scan Biometric Polygraph every 6 weeks. Most recently, Lightning In A Bottle was updated on October 24, 2026 and Truth Scan Biometric Polygraph on October 28, 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.*