# Orbit vs Heat Index Pro

The clearest difference is review sentiment: Orbit at 65% against Heat Index Pro's 25%. Orbit also leads on rating (4.3 vs 3.9) and price ($0.99 vs $4.99). Heat Index Pro's advantage is update cadence (every 5 weeks vs every 27 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Orbit costs $0.99 and Heat Index Pro $4.99 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 3.9. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 65% of Orbit's written reviews are positive against 25% of Heat Index Pro's.

Orbit ships an update every 27 months, Heat Index Pro every 5 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Orbit | Heat Index Pro |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/orbit-sun-position/id558257741/reviews)** | [3.9 (9 ratings)](https://appshunter.io/ios/app/heat-index-pro/id1480149233/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | **64.7% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#18** | — |
| Size | 15 MB | 13 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tapclay](https://appshunter.io/developer/626120638) | [LionsApp di Nallbati Elton](https://appshunter.io/developer/432915499) |

## What reviewers say

### Orbit

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

**Currently charting:** #18 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


### Heat Index Pro

[App page](https://appshunter.io/ios/app/heat-index-pro/id1480149233)

This tool calculates the "felt air temperature" by combining air temperature and relative humidity using a specific scientific equation. It provides current weather conditions and allows users to search for and save favorite locations worldwide.

**Highlights:** Heat Index calculation (Rothfusz equation), Current temperature and humidity, Choice of Celsius, Fahrenheit, and Kelvin, Map current location, Search and save unlimited favorite cities, Intuitive graphics and ease of use

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

**In-app purchases:** none


## Frequently asked questions

### Is Orbit free?

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

### Is Heat Index Pro free?

Heat Index Pro costs $4.99, with no in-app purchases.

### Which has better reviews, Orbit or Heat Index Pro?

Orbit is rated higher. Orbit averages 4.3 out of 5 from 4 ratings, while Heat Index Pro averages 3.9 from 9 ratings.

### Do Orbit or Heat Index Pro have ads?

Neither Orbit nor Heat Index Pro shows ads.

### Which is updated more often, Orbit or Heat Index Pro?

Orbit ships an update every 27 months, and Heat Index Pro every 5 weeks. Most recently, Orbit was updated on November 1, 2026 and Heat Index Pro on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*