# HubbleOrion Educator vs OrbitCalc

The clearest difference is in-app purchases: HubbleOrion Educator at none against OrbitCalc's 1. HubbleOrion Educator also leads on device support (3 vs 1) and iOS requirement (15.5 vs 18.0). On price and ads there is nothing between them.

Both are free to download. OrbitCalc sells 1 one-off in-app purchase. HubbleOrion Educator asks for nothing beyond the download.

## The numbers

| Metric | HubbleOrion Educator | OrbitCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/orbitcalc/id6743425109/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | — | Free |
| Size | 77 MB | 11 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HUBBLEHOX TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1655632734) | [Bian Dhoan Kwik](https://appshunter.io/developer/1793925532) |

## What reviewers say

### HubbleOrion Educator

[App page](https://appshunter.io/ios/app/hubbleorion-educator/id6743226338)

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

**In-app purchases:** none


### OrbitCalc

[App page](https://appshunter.io/ios/app/orbitcalc/id6743425109)

This tool helps space enthusiasts, engineers, and researchers precisely calculate satellite orbits. It allows users to determine orbital parameters from vector data or vice versa with accurate results. Save and manage your calculations, and customize measurement units for a personalized experience.

**Highlights:** Orbital calculations from parameters or vectors, Save and revisit previous calculations, History page for managing saved work, Customizable measurement units

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OrbitCalc Pro | $0.99 | one-time |


## Frequently asked questions

### Is HubbleOrion Educator free?

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

### Is OrbitCalc free?

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

### Do HubbleOrion Educator or OrbitCalc have ads?

Neither HubbleOrion Educator nor OrbitCalc shows ads.

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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.*