The Sky Pro by Redshift

By: USM App

Professional Astronomy

Overview

Version:

1.6.7

Last updated: 2025-07-15

Ranking

#75,173 ▲ 72,572

Overall

Features & Capabilities

The Sky Pro by Redshift is a professional astronomy tool and knowledge base for Chrome. It features an award-winning planetarium with over 100,000 stars and 10,000 deep-sky objects, plus accurate simulations of planetary orbits, eclipses, and satellite tracks. Travel through time, determine rise/set times, and explore the sky with precise AR views that merge the stars with your surroundings. With 3D models of planets and moons, customizable sky views, and a built-in calendar for planning observations, The Sky Pro makes learning and observing the night sky intuitive and engaging.

The Sky Ultimate extends capability with a massive database (2.5M+ stars, 70k deep-sky objects), online catalogs (USNO-B1.0, GAIA DR3), telescope control for Meade or Celestron, eclipse maps, and notifications. Save unlimited sky views, share them via iMessage, and observe with Apple Watch connectivity. It also includes 25 chapters from Discover Astronomy to support learning and exploration.

User Growth & Download Statistics

App Education

By:

USM

Rating:

4.70

(563) 466 new ratings

Version:

1.6.7 Last updated: 2025-07-15

Version code:

876385920

Creation date:

2020-03-25

Compatible devices:

Size:

1.05GB

Price:

6.99

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-07-19

Compare stats and ranking:

Ranking

# 75,173 ▲ 72,572

Other platforms

The Sky Pro by Redshift (v1.6.5)

10,781 4.68

(730)

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

USM

Apple Apps Store

https://apps.apple.com/de/app/the-sky-pro-by-redshift/id1481865153?l=en-GB

Website:

http://www.redshiftsky.com

User Reviews

User reviews praise The Sky Pro for its depth, real-time sky following, AR features, and beginner-friendly UI, but repeatedly cite subscription cost and gating, a limited historical range (1600 AD), navigation accuracy problems, and occasional data reliability issues as major drawbacks.

Pros

Rich feature set and depth with extensive astronomy tools and mapping, enabling deep exploration of stars and galaxies.
Real-time sky following and augmented reality capabilities, enhancing interactive learning.
Clean UI and beginner-friendly design that makes the app accessible to newcomers.
Strong educational value with comprehensive content and visuals that aid teaching and exploration.

Cons

Subscription pricing and perceived lack of added content; users feel they’re paying for minimal new features.
Time range limitations to 1600 AD (and re-installation restrictions) that limit long-term simulations.
Navigation/compass accuracy issues (about 20° off) affecting real-world pointing and usability.
Data accuracy concerns after updates (inaccurate solar and lunar data) and occasional reliability problems.

Recent reviews

It doesn’t navigate properly. I can point my iPhone towards the moon stars or planets. It’s always about 20° off. I’ve tried to calibrate the compass. With these large errors, the app is useless.