# Luminos vs The Sky Pro by Redshift

The clearest difference is price: The Sky Pro by Redshift at $6.99 against Luminos's $19.99. Luminos's advantage is in-app purchases (none vs 3) and review sentiment (91% vs 62%). On rating, ads, device support and iOS requirement there is nothing between them.

Luminos costs $19.99 and The Sky Pro by Redshift $6.99 up front. The Sky Pro by Redshift sells 3 in-app purchases, starting at $1.99 per month. Luminos asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Luminos against 4.8 for The Sky Pro by Redshift. Both are backed by a comparable volume of ratings — 1.1K and 335 respectively. Written reviews are what separate them: 91% of Luminos's written reviews are positive against 62% of The Sky Pro by Redshift's.

Luminos ships an update every 2 weeks, The Sky Pro by Redshift every 2 months. Both last shipped on September 25, 2026.

## The numbers

| Metric | Luminos | The Sky Pro by Redshift |
| --- | --- | --- |
| Price | $19.99 | **$6.99** |
| Rating | [4.8 (1.1K ratings)](https://appshunter.io/ios/app/luminos/id404664336/reviews) | [4.8 (335 ratings)](https://appshunter.io/ios/app/the-sky-pro-by-redshift/id1481865153/reviews) |
| Number of ratings | **1.1K** | 335 |
| Positive reviews | **90.6% of reviews** | 61.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 930 MB | 1.1 GB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Wobbleworks LLC](https://appshunter.io/developer/404664339) | [United Soft Media Verlag GmbH](https://appshunter.io/developer/330111789) |

## What reviewers say

### Luminos

[App page](https://appshunter.io/ios/app/luminos/id404664336)

This astronomy companion app, after 12 years of updates, is being retired. A more advanced version, Luminos Pro, is available with new features and ongoing support. This version remains accessible for existing users.

**Highlights:** Astronomy software, 12 years of updates, Retired version, Advanced version available (Luminos Pro), Continued support for existing customers

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

**In-app purchases:** none

**What reviewers like**

- 🌟 Excellent astronomy app
- 🔭 Comprehensive features and information
- 🌌 Beautiful and intuitive interface
- 🔍 Helpful for both beginners and advanced users
- 🌍 Accurate tracking of celestial objects and satellites

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🔧 Difficulty configuring for use with telescopes
- 🔒 Concerns about subscription model changes
- 🔍 Steep learning curve for some features
- 🔍 Lack of instructions or user guide

**Reported bugs**

- Motion tracking and compass not working properly
- Saved telescope settings erased after updates
- Slow response times and location detection issues
- Inconsistent behavior when tapping on objects

**Requested features**

- Add historical constellations
- Integrate national borders when searching
- Include exoplanets information
- Improve motion tracking and orientation
- Add observation forecast based on weather conditions


### The Sky Pro by Redshift

[App page](https://appshunter.io/ios/app/the-sky-pro-by-redshift/id1481865153)

Explore the cosmos with a comprehensive planetarium and knowledge base. Discover celestial objects, track their movements, and plan your observations. Features include augmented reality, 3D models, and educational content.

**Highlights:** Award-winning planetarium with 100,000+ stars, Accurate simulation of celestial phenomena, Real-time satellite tracking, Augmented reality sky view, 3D models of celestial objects, Telescope control (with subscription)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Sky Ultimate 1 Month | $1.99 | per month |
| The Sky Ultimate 1 Year | $9.99 | per year |
| The Sky Ultimate | $22.99 | one-time |

**What reviewers like**

- ✨ Nice fresh look
- 👍 User-friendly interface
- 🚀 Fast and responsive
- 🔭 Detailed astronomical data
- 🌌 Immersive 3D flights

**What reviewers complain about**

- 💸 Expensive subscription model
- 💰 Double charging for purchases
- 🤔 Vague upgrade details
- 📉 Old version removed
- 😕 Limited free trial

**Reported bugs**

- App crashes on launch
- App crashes on iPad
- Compass calibration issues (20° off)
- Settings reset to default sporadically
- Ultimate trial expired before fix

**Requested features**

- More details on Ultimate upgrade
- Ability to fly to other galaxies
- More distant stars accessible
- Add JWST
- More range to view universe


## Frequently asked questions

### Is Luminos free?

Luminos costs $19.99, with no in-app purchases.

### Is The Sky Pro by Redshift free?

The Sky Pro by Redshift costs $6.99, and also offers in-app purchases.

### Which has better reviews, Luminos or The Sky Pro by Redshift?

Luminos and The Sky Pro by Redshift are both rated 4.8 out of 5 on the App Store, from 1.1K and 335 ratings respectively.

### Do Luminos or The Sky Pro by Redshift have ads?

Neither Luminos nor The Sky Pro by Redshift shows ads.

### Which is updated more often, Luminos or The Sky Pro by Redshift?

Luminos ships an update every 2 weeks, and The Sky Pro by Redshift every 2 months. Most recently, Luminos was updated on September 25, 2026 and The Sky Pro by Redshift on September 25, 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.*