# Thunderstorm Calculator vs Orbit

The clearest difference is rating: Orbit at 4.3 against Thunderstorm Calculator's 3.0. Orbit also leads on iOS requirement (9.0 vs 15.6). Thunderstorm Calculator's advantage is device support (4 vs 2). On price, ratings volume, update cadence and ads there is nothing between them.

Thunderstorm Calculator costs $0.99 and Orbit $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Orbit holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Thunderstorm Calculator ships an update every 33 months, Orbit every 27 months. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Thunderstorm Calculator | Orbit |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/thunderstorm-calculator/id389042852/reviews) | **[4.3 (4 ratings)](https://appshunter.io/ios/app/orbit-sun-position/id558257741/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | — | 64.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 27 months** |
| Monetization | Paid | Paid |
| Best chart rank | #159 | **#156** |
| Size | 18 MB | 15 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Tapclay](https://appshunter.io/developer/626120638) |

## What reviewers say

### Thunderstorm Calculator

[App page](https://appshunter.io/ios/app/thunderstorm-calculator/id389042852)

**Currently charting:** #159 Top Paid · Weather (US App Store)

Measure the distance to a thunderstorm by timing the interval between lightning and thunder. View your storm history to track its movement and toggle between metric and imperial units.

**Highlights:** Lightning and thunder timing, Distance calculation, Metric and imperial units, Storm history tracking, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Orbit

[App page](https://appshunter.io/ios/app/orbit-sun-position/id558257741)

**Currently charting:** #156 Top Paid · Weather (US App Store)

Visualize the sun's movement and position with an intuitive clock interface and a sun compass. Utilize augmented reality to pinpoint the sun's location and track daylight hours for multiple saved places. This app works offline and is designed for photographers, travelers, surveyors, and architects.

**Highlights:** Intuitive clock visualization of sun movement, Sun compass for accurate position tracking, Augmented reality sun tracking, Multiple location support, Sunrise, sunset, dawn, and dusk times, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thunderstorm Calculator free?

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

### Is Orbit free?

Orbit costs $0.99, with no in-app purchases.

### Which has better reviews, Thunderstorm Calculator or Orbit?

Orbit is rated higher. Thunderstorm Calculator averages 3.0 out of 5 from 3 ratings, while Orbit averages 4.3 from 4 ratings.

### Do Thunderstorm Calculator or Orbit have ads?

Neither Thunderstorm Calculator nor Orbit shows ads.

### Which is updated more often, Thunderstorm Calculator or Orbit?

Thunderstorm Calculator ships an update every 33 months, and Orbit every 27 months. Most recently, Thunderstorm Calculator was updated on October 18, 2026 and Orbit on October 8, 2026.

### Which is more popular, Thunderstorm Calculator or Orbit?

Thunderstorm Calculator currently peaks at #159 in the App Store charts, and Orbit at #156. Chart position reflects recent download velocity rather than total install base.

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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.*