# AstroPup Sky vs SkySync

The clearest difference is ratings volume: SkySync at 4 against AstroPup Sky's 1. SkySync also leads on iOS requirement (15.1 vs 26.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for AstroPup Sky against 5.0 for SkySync. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | AstroPup Sky | SkySync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/astropup-sky/id6764730162/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/skysync-night-sky-tracker/id6781568212/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | Free |
| Size | 25 MB | 24 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aaron Freimark](https://appshunter.io/developer/1533614349) | [KAHLESON MILES BLANCHARD](https://appshunter.io/developer/6781568214) |

## What reviewers say

### AstroPup Sky

[App page](https://appshunter.io/ios/app/astropup-sky/id6764730162)

This application provides a unique sky chart for astrophotographers, displaying celestial object visibility for an entire night. It allows users to personalize their view with custom horizons and receive clear-sky notifications for preferred observing locations.

**Highlights:** All-sky, all-night object visibility, Object rise and set times, Personalized horizon views, Clear-sky notifications, Supports custom horizon files

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

**In-app purchases:** none


### SkySync

[App page](https://appshunter.io/ios/app/skysync-night-sky-tracker/id6781568212)

This app helps you discover and track celestial events like meteor showers and eclipses. It provides countdown timers and customizable notifications so you never miss an opportunity to stargaze. It also features a dark sky finder to locate optimal viewing spots.

**Highlights:** Event calendar (meteor showers, eclipses, moons, comets), Countdown timers to events, Customizable notifications, Dark sky finder with Bortle scale, Minimalist nighttime design, No account required

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

**In-app purchases:** none


## Frequently asked questions

### Is AstroPup Sky free?

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

### Is SkySync free?

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

### Which has better reviews, AstroPup Sky or SkySync?

AstroPup Sky and SkySync are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do AstroPup Sky or SkySync have ads?

Neither AstroPup Sky nor SkySync shows ads.

### Which is updated more often, AstroPup Sky or SkySync?

AstroPup Sky ships an update weekly, and SkySync weekly. Most recently, AstroPup Sky was updated on October 31, 2026 and SkySync on October 31, 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.*