# Star Rover HD vs Interactive Solar System

The clearest difference is update cadence: Interactive Solar System at fortnightly against Star Rover HD's every 6 months. Star Rover HD's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Star Rover HD costs $1.99 and Interactive Solar System $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, Interactive Solar System fortnightly. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Star Rover HD | Interactive Solar System |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.7 (97 ratings)](https://appshunter.io/ios/app/star-rover-hd-night-sky-map/id437217048/reviews)** | — |
| Number of ratings | **97** | — |
| Positive reviews | 88.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 52 MB | 52 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPad, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [寒飞 易](https://appshunter.io/developer/326163982) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## 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


### Interactive Solar System

[App page](https://appshunter.io/ios/app/interactive-solar-system/id1240878228)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Star Rover HD free?

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

### Is Interactive Solar System free?

Interactive Solar System costs $1.99, with no in-app purchases.

### Do Star Rover HD or Interactive Solar System have ads?

Neither Star Rover HD nor Interactive Solar System shows ads.

### Which is updated more often, Star Rover HD or Interactive Solar System?

Star Rover HD ships an update every 6 months, and Interactive Solar System fortnightly. Most recently, Star Rover HD was updated on October 23, 2026 and Interactive Solar System on October 26, 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.*