# Star Rover HD vs Learn Fortran Programming

The clearest difference is update cadence: Star Rover HD at every 6 months against Learn Fortran Programming's every 15 months. Star Rover HD also leads on iOS requirement (9.0 vs 13.0). Learn Fortran Programming's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Star Rover HD costs $1.99 and Learn Fortran Programming $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Star Rover HD ships an update every 6 months, Learn Fortran Programming every 15 months. The most recent releases landed on June 8, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Star Rover HD | Learn Fortran Programming |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.7 (95 ratings)](https://appshunter.io/ios/app/star-rover-hd-night-sky-map/id437217048/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 88.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 15 months |
| Monetization | Paid | — |
| Size | 52 MB | 34 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [寒飞 易](https://appshunter.io/developer/326163982) | [Saqib Masood](https://appshunter.io/developer/1555852546) |

## What reviewers say

### Star Rover HD

[App page](https://appshunter.io/ios/app/star-rover-hd-night-sky-map/id437217048)

Explore the night sky with a realistic planetarium on your device. Identify stars, planets, and constellations in real-time by simply pointing your device. Travel through time and space to view celestial events and learn about the cosmos.

**Highlights:** Real-time star map updates, Identify celestial objects, View constellations with artwork, Explore planets and moons, Moon phases and meteor showers, Time and location travel, Over 120,000 stars

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🌟 Helpful for stargazing
- 🔍 Detailed information on stars and planets
- 🌌 Beautiful graphics
- 🧠 Educational for kids and adults

**What reviewers complain about**

- 🐛 Compatibility issues with certain devices
- 🔄 Lack of landscape mode
- 💤 Limited descriptions and explanations

**Reported bugs**

- Screen does not rotate to landscape view on iPad
- Compass shows interference in some areas

**Requested features**

- Add Proxima Centauri
- Provide constellation pictures and names simultaneously
- Improve brightness representation for bright stars
- Add Iridium Flare tracking


### Learn Fortran Programming

[App page](https://appshunter.io/ios/app/learn-fortran-programming/id6446048232)

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

**In-app purchases:** none


## Frequently asked questions

### Is Star Rover HD free?

Star Rover HD costs $1.99, with no in-app purchases.

### Is Learn Fortran Programming free?

Learn Fortran Programming costs $1.99, with no in-app purchases.

### Do Star Rover HD or Learn Fortran Programming have ads?

Neither Star Rover HD nor Learn Fortran Programming shows ads.

### Which is updated more often, Star Rover HD or Learn Fortran Programming?

Star Rover HD ships an update every 6 months, and Learn Fortran Programming every 15 months. Most recently, Star Rover HD was updated on June 8, 2026 and Learn Fortran Programming on September 5, 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.*