# SkyORB Classic Astronomy vs API 510 Practice Test

The clearest difference is ads: API 510 Practice Test at none against SkyORB Classic Astronomy's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SkyORB Classic Astronomy sells 2 in-app purchases, starting at $1.99 per year and API 510 Practice Test sells 1 in-app purchase, starting at $7.00 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SkyORB Classic Astronomy | API 510 Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (23 ratings)](https://appshunter.io/ios/app/skyorb-classic-astronomy/id338051358/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Freemium | — |
| Size | 143 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephane Denis](https://appshunter.io/developer/295455703) | [Ambitionz Apps](https://appshunter.io/developer/1764753535) |

## What reviewers say

### SkyORB Classic Astronomy

[App page](https://appshunter.io/ios/app/skyorb-classic-astronomy/id338051358)

Explore the cosmos with a 3D planetarium and real-time celestial event tracking. Identify stars and planets using your device's sensors and AR, and receive notifications for upcoming astronomical phenomena. Access detailed information and simulations from any location.

**Highlights:** 3D star map and planetarium, Real-time planet orbits, AR night sky identification, Celestial event notifications, Universal search for celestial objects, Moon phase tracking, Worldwide sky simulations

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-year Premium Subscription | $1.99 | per year |
| Premium Version | $3.99 | one-time |

**What reviewers like**

- 🌟 Great app for stargazing
- 🔍 Useful for identifying stars, planets, and constellations
- 📅 Helpful calendar of astronomical events
- 🌍 Accurate representation of the night sky

**What reviewers complain about**

- 🤔 Confusing and unintuitive interface
- 🐛 Frequent crashes and bugs
- 💰 Paywall for many features
- 🔍 Inaccurate or missing information
- 🔌 Drains battery quickly

**Reported bugs**

- Compass and orientation issues
- Inconsistent behavior across devices
- Incorrect or outdated celestial data
- Persistent login and subscription problems

**Requested features**

- More detailed instructions and tutorials
- Improved search and navigation
- Ability to track comets and asteroids
- Seamless integration with telescopes


### API 510 Practice Test

[App page](https://appshunter.io/ios/app/api-510-practice-test/id6747852521)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| API 510 Practice Test | $7.00 | per month |


## Frequently asked questions

### Is SkyORB Classic Astronomy free?

SkyORB Classic Astronomy is free to download, with in-app purchases available.

### Is API 510 Practice Test free?

API 510 Practice Test is free to download, with in-app purchases available.

### Do SkyORB Classic Astronomy or API 510 Practice Test have ads?

SkyORB Classic Astronomy shows ads; API 510 Practice Test does not.

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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.*