# Sky Time vs Luminos Pro

The clearest difference is rating: Luminos Pro at 4.7 against Sky Time's 4.2. Luminos Pro also leads on ratings volume (251 vs 17) and review sentiment (70% vs 60%). Sky Time's advantage is in-app purchases (none vs 5) and iOS requirement (10.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Luminos Pro sells 5 in-app purchases, starting at $1.99 per month. Sky Time asks for nothing beyond the download.

Luminos Pro holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Luminos Pro has 251 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 60% of Sky Time's written reviews are positive against 70% of Luminos Pro's.

Sky Time ships an update every 2 months, Luminos Pro every 4 weeks. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Sky Time | Luminos Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (17 ratings)](https://appshunter.io/ios/app/sky-time/id473539346/reviews) | **[4.7 (251 ratings)](https://appshunter.io/ios/app/luminos-pro/id1458648031/reviews)** |
| Number of ratings | 17 | **251** |
| Positive reviews | 60.0% of reviews | **69.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 1.8 GB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [John Kennedy](https://appshunter.io/developer/284943103) | [Wobbleworks LLC](https://appshunter.io/developer/404664339) |

## What reviewers say

### Sky Time

[App page](https://appshunter.io/ios/app/sky-time/id473539346)

This app provides essential astronomy-related time data, including Julian Date, Universal Time, and Sidereal Time calculated using your device's location. It features a night-vision friendly red display and pop-up descriptions for easy understanding.

**Highlights:** Displays local, Julian, Local Sidereal, and Universal Time, Calculates Sidereal Time using device location, Night-vision friendly red display, Pop-up descriptions for time data

**Features:** macOS Compatibility

**In-app purchases:** none


### Luminos Pro

[App page](https://appshunter.io/ios/app/luminos-pro/id1458648031)

Explore the cosmos with an all-in-one astronomy companion. Discover stars, planets, galaxies, and celestial events with extensive databases and interactive 3D models. Enhance your stargazing with augmented reality, virtual reality, and personalized viewing recommendations.

**Highlights:** Star gazing and 3D galaxy exploration, Extensive databases of celestial objects, On-device and custom recommendations, Motion tracking with AR and VR modes, 3D flight to satellites and spacecraft, Weather forecasts for stargazing, Telescope control and observation lists

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Quarterly subscription | $3.99 | per 3 months |
| Yearly subscription | $12.99 | per year |
| Lifetime pass | $24.99 | one-time |
| Lifetime pass | $39.99 | one-time |

**What reviewers like**

- ✨ Comprehensive features
- 🌟 Beautifully implemented
- 🚀 Smooth and detailed map
- 👍 User-friendly interface
- ⭐ Excellent customer service

**What reviewers complain about**

- 💸 Features locked behind subscription
- 📉 App devolving over time
- 🔒 Lifetime memberships feel like a trap
- 🔄 Satellite updates not working
- 💸 Paid features now subscription only

**Reported bugs**

- Satellite updates don't work
- Deep sky objects not showing
- App crashes when adding notes
- Old notes disappeared after update
- App keeps going black during exploration

**Requested features**

- Discount for lifetime license
- Ability to transfer FOV and camera rotation to NINA
- Ability to add pictures of viewed places and store them
- Store and recall settings
- Update for iOS 16 compatibility


## Frequently asked questions

### Is Sky Time free?

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

### Is Luminos Pro free?

Luminos Pro is free to download, with in-app purchases available.

### Which has better reviews, Sky Time or Luminos Pro?

Luminos Pro is rated higher. Sky Time averages 4.2 out of 5 from 17 ratings, while Luminos Pro averages 4.7 from 251 ratings.

### Do Sky Time or Luminos Pro have ads?

Neither Sky Time nor Luminos Pro shows ads.

### Which is updated more often, Sky Time or Luminos Pro?

Sky Time ships an update every 2 months, and Luminos Pro every 4 weeks. Most recently, Sky Time was updated on September 21, 2026 and Luminos Pro on September 27, 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.*