# SkyORB ∞ Astronomy vs Flat Earth Pro

The clearest difference is review sentiment: Flat Earth Pro at 81% against SkyORB ∞ Astronomy's 0%. Flat Earth Pro also leads on iOS requirement (13.0 vs 15.6). SkyORB ∞ Astronomy's advantage is device support (5 vs 3) and price ($2.99 vs $3.99). On update cadence, ads and in-app purchases there is nothing between them.

SkyORB ∞ Astronomy costs $2.99 and Flat Earth Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SkyORB ∞ Astronomy ships an update every 2 months, Flat Earth Pro every 6 weeks. The most recent releases landed on August 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SkyORB ∞ Astronomy | Flat Earth Pro |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | — | **[4.9 (108 ratings)](https://appshunter.io/ios/app/flat-earth-pro/id1664580677/reviews)** |
| Number of ratings | — | **108** |
| Positive reviews | 0.0% of reviews | **81.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 303 MB | 224 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple TV, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephane Denis](https://appshunter.io/developer/295455703) | [Othman Alzahrani](https://appshunter.io/developer/1664580679) |

## What reviewers say

### SkyORB ∞ Astronomy

[App page](https://appshunter.io/ios/app/skyorb-astronomy/id1625985880)

Explore the universe with an interactive 3D star map, real-time celestial positions, and a 14-day schedule of astronomical events. Identify stars and planets using augmented reality and access detailed information about celestial bodies.

**Highlights:** Interactive 3D star map, Real-time celestial positions, Augmented Reality (AR) identification, 14-day astronomical event schedule, Detailed planet and celestial body information, Time shift feature for celestial events

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Flat Earth Pro

[App page](https://appshunter.io/ios/app/flat-earth-pro/id1664580677)

Visualize celestial body positions, daylight coverage, and moon phases on an Earth projection. Explore sun and moon overhead positions, rise/set times, and lunar details. Features offline functionality and a local weather forecast.

**Highlights:** Daylight coverage visualization, Sun and moon overhead positions, Rise and set times, Moon phases and libration, Offline functionality, Local weather forecast

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

**In-app purchases:** none


## Frequently asked questions

### Is SkyORB ∞ Astronomy free?

SkyORB ∞ Astronomy costs $2.99, with no in-app purchases.

### Is Flat Earth Pro free?

Flat Earth Pro costs $3.99, with no in-app purchases.

### Do SkyORB ∞ Astronomy or Flat Earth Pro have ads?

Neither SkyORB ∞ Astronomy nor Flat Earth Pro shows ads.

### Which is updated more often, SkyORB ∞ Astronomy or Flat Earth Pro?

SkyORB ∞ Astronomy ships an update every 2 months, and Flat Earth Pro every 6 weeks. Most recently, SkyORB ∞ Astronomy was updated on August 7, 2026 and Flat Earth Pro on September 30, 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.*