# Flash Boom vs Lightning Tracker‎

The clearest difference is review sentiment: Flash Boom at 60% against Lightning Tracker‎'s 8%. Flash Boom also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 6). Lightning Tracker‎'s advantage is ratings volume (172 vs 1). On price and device support there is nothing between them.

Both are free to download. Lightning Tracker‎ sells 6 in-app purchases, starting at $0.99 per month. Flash Boom asks for nothing beyond the download.

Flash Boom holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Lightning Tracker‎ has 172 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 60% of Flash Boom's written reviews are positive against 8% of Lightning Tracker‎'s.

Flash Boom ships an update every 6 weeks, Lightning Tracker‎ every 4 months. The most recent releases landed on September 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Flash Boom | Lightning Tracker‎ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flash-boom/id320959981/reviews)** | [4.4 (172 ratings)](https://appshunter.io/ios/app/lightning-tracker/id6670211416/reviews) |
| Number of ratings | 1 | **172** |
| Positive reviews | **60.0% of reviews** | 8.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 64 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Edward Danley](https://appshunter.io/developer/315123663) | [Going Merry LLC](https://appshunter.io/developer/1820776999) |

## What reviewers say

### Flash Boom

[App page](https://appshunter.io/ios/app/flash-boom/id320959981)

This app estimates the distance to lightning strikes by timing the interval between seeing the flash and hearing the thunder. It provides a simple, quick way to gauge your proximity to a storm and advises taking cover if you are within 5 miles.

**Highlights:** Lightning distance estimation, Flash and thunder timing, Distance in miles and kilometers, Safety advisory for close lightning, Simple tap interface

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

**In-app purchases:** none


### Lightning Tracker‎

[App page](https://appshunter.io/ios/app/lightning-tracker/id6670211416)

Monitor real-time lightning strikes on a map with detailed information like time and distance. Receive background notifications for nearby activity and customize your detection radius. View current weather conditions alongside lightning alerts.

**Highlights:** Real-time lightning strike map, Strike details (time, distance), Background monitoring and notifications, Customizable detection radius (1-50 miles), Current weather conditions view, Lightning strike expiration (15 minutes)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Weekly | $1.99 | per 7 days |
| Premium Weekly | $2.99 | per 7 days |
| Premium Yearly | $6.99 | per year |
| Premium Yearly | $9.99 | per year |
| Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Flash Boom free?

Flash Boom is free to download, with no in-app purchases.

### Is Lightning Tracker‎ free?

Lightning Tracker‎ is free to download, with in-app purchases available.

### Which has better reviews, Flash Boom or Lightning Tracker‎?

Flash Boom is rated higher. Flash Boom averages 5.0 out of 5 from 1 ratings, while Lightning Tracker‎ averages 4.4 from 172 ratings.

### Do Flash Boom or Lightning Tracker‎ have ads?

Lightning Tracker‎ shows ads; Flash Boom does not.

### Which is updated more often, Flash Boom or Lightning Tracker‎?

Flash Boom ships an update every 6 weeks, and Lightning Tracker‎ every 4 months. Most recently, Flash Boom was updated on September 27, 2026 and Lightning Tracker‎ 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.*