# Thunder & Lightning vs Scannery

The clearest difference is update cadence: Scannery at monthly against Thunder & Lightning's every 128 months. Thunder & Lightning's advantage is iOS requirement (8.0 vs 14.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Thunder & Lightning ships an update every 128 months, Scannery monthly. The most recent releases landed on August 24, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Thunder & Lightning | Scannery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/thunder-and-lightning/id287959052/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 87.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 128 months | **Monthly** |
| Monetization | Free | — |
| Size | 2 MB | 31 MB |
| Requires iOS | **8.0** | 14.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Figler](https://appshunter.io/developer/287217534) | [Maksim Lebedev](https://appshunter.io/developer/1742583455) |

## What reviewers say

### Thunder & Lightning

[App page](https://appshunter.io/ios/app/thunder-and-lightning/id287959052)

Measure the distance to loud events like thunder, fireworks, or rocket launches by timing the visual and auditory cues. Adjust for temperature for greater accuracy and choose your preferred units. It also functions as a stopwatch, speed-of-sound calculator, and unit converter.

**Highlights:** Distance measurement to sound events, Temperature adjustment for accuracy, U.S./Imperial and metric units, Stopwatch functionality, Speed-of-sound calculator, Fahrenheit/Celsius converter

**Features:** Vision Pro support

**In-app purchases:** none


### Scannery

[App page](https://appshunter.io/ios/app/scannery/id6499159221)

**In-app purchases:** none


## Frequently asked questions

### Is Thunder & Lightning free?

Thunder & Lightning is free to download, with no in-app purchases.

### Is Scannery free?

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

### Do Thunder & Lightning or Scannery have ads?

Neither Thunder & Lightning nor Scannery shows ads.

### Which is updated more often, Thunder & Lightning or Scannery?

Thunder & Lightning ships an update every 128 months, and Scannery monthly. Most recently, Thunder & Lightning was updated on August 24, 2026 and Scannery on September 10, 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.*