# SkyORB Classic Astronomy vs Syntax

The clearest difference is rating: SkyORB Classic Astronomy at 4.5 against Syntax's 4.0. SkyORB Classic Astronomy also leads on ratings volume (24 vs 3) and iOS requirement (15.6 vs 17.0). Syntax's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. SkyORB Classic Astronomy sells 2 in-app purchases, starting at $1.99 per year. Syntax asks for nothing beyond the download.

SkyORB Classic Astronomy holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: SkyORB Classic Astronomy has 24 ratings behind it against 3, so its average is the more settled of the two.

SkyORB Classic Astronomy ships an update every 2 months, Syntax daily. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SkyORB Classic Astronomy | Syntax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/skyorb-classic-astronomy/id338051358/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/syntax/id6782640734/reviews) |
| Number of ratings | **24** | 3 |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Freemium | **Free** |
| Size | 143 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Stephane Denis](https://appshunter.io/developer/295455703) | [Alena Sattarov](https://appshunter.io/developer/1857467755) |

## 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

**Features:** Apple Watch app

**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


### Syntax

[App page](https://appshunter.io/ios/app/syntax/id6782640734)

Master programming with interactive lessons and real coding challenges. This app guides beginners through foundational concepts and hands-on projects, allowing you to learn at your own pace and build a strong technical skill set.

**Highlights:** Interactive coding lessons, Real-world programming challenges, Beginner-friendly learning paths, Instant feedback and explanations, Progress tracking and achievements, Learn at your own pace

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SkyORB Classic Astronomy free?

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

### Is Syntax free?

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

### Which has better reviews, SkyORB Classic Astronomy or Syntax?

SkyORB Classic Astronomy is rated higher. SkyORB Classic Astronomy averages 4.5 out of 5 from 24 ratings, while Syntax averages 4.0 from 3 ratings.

### Do SkyORB Classic Astronomy or Syntax have ads?

SkyORB Classic Astronomy shows ads; Syntax does not.

### Which is updated more often, SkyORB Classic Astronomy or Syntax?

SkyORB Classic Astronomy ships an update every 2 months, and Syntax daily. Most recently, SkyORB Classic Astronomy was updated on November 1, 2026 and Syntax on November 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.*