# Lightning Distance Calculator vs INDEVOLT

The clearest difference is price: INDEVOLT at Free against Lightning Distance Calculator's $0.99. INDEVOLT also leads on update cadence (every 2 weeks vs every 96 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

INDEVOLT is free to download; Lightning Distance Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lightning Distance Calculator ships an update every 96 months, INDEVOLT every 2 weeks. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Lightning Distance Calculator | INDEVOLT |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/lightning-distance-calculator/id348821275/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 96 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 7 MB | 179 MB |
| Requires iOS | 16.6 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [INDEVOLT](https://appshunter.io/developer/1788846675) |

## What reviewers say

### Lightning Distance Calculator

[App page](https://appshunter.io/ios/app/lightning-distance-calculator/id348821275)

This utility app estimates the distance to lightning strikes by measuring the time between seeing lightning and hearing thunder. It provides calculations in both meters and feet, with adjustable temperature settings for accuracy. Geotagging with GPS data is also included.

**Highlights:** Lightning and thunder time measurement, Distance calculation in meters and feet, Adjustable atmospheric temperature, Geotagging with 3D GPS data

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

**In-app purchases:** none


### INDEVOLT

[App page](https://appshunter.io/ios/app/indevolt/id6740477657)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lightning Distance Calculator free?

Lightning Distance Calculator costs $0.99, with no in-app purchases.

### Is INDEVOLT free?

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

### Do Lightning Distance Calculator or INDEVOLT have ads?

Neither Lightning Distance Calculator nor INDEVOLT shows ads.

### Which is updated more often, Lightning Distance Calculator or INDEVOLT?

Lightning Distance Calculator ships an update every 96 months, and INDEVOLT every 2 weeks. Most recently, Lightning Distance Calculator was updated on October 12, 2026 and INDEVOLT on October 15, 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.*