# Sun & Moon 3D Planetarium Pro vs Solstice

The clearest difference is price: Solstice at Free against Sun & Moon 3D Planetarium Pro's $2.99. Solstice also leads on review sentiment (85% vs 69%) and device support (5 vs 3). Sun & Moon 3D Planetarium Pro's advantage is in-app purchases (none vs 3) and update cadence (fortnightly vs every 2 months). On rating, ratings volume, ads and chart position there is nothing between them.

Solstice is free to download; Sun & Moon 3D Planetarium Pro costs $2.99 up front. Solstice sells 3 one-off in-app purchases. Sun & Moon 3D Planetarium Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Sun & Moon 3D Planetarium Pro against 4.8 for Solstice. Both are backed by a comparable volume of ratings — 131 and 80 respectively. Written reviews are what separate them: 69% of Sun & Moon 3D Planetarium Pro's written reviews are positive against 85% of Solstice's.

Sun & Moon 3D Planetarium Pro ships an update fortnightly, Solstice every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sun & Moon 3D Planetarium Pro | Solstice |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.7 (131 ratings)](https://appshunter.io/ios/app/sun-and-moon-3d-planetarium-pro/id1198962475/reviews) | **[4.8 (80 ratings)](https://appshunter.io/ios/app/solstice/id1547580907/reviews)** |
| Number of ratings | **131** | 80 |
| Positive reviews | 69.2% of reviews | **85.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#150** | #165 |
| Size | 69 MB | 27 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Henning Poulsen](https://appshunter.io/developer/795909179) | [Dan Eden](https://appshunter.io/developer/508167369) |

## What reviewers say

### Sun & Moon 3D Planetarium Pro

[App page](https://appshunter.io/ios/app/sun-and-moon-3d-planetarium-pro/id1198962475)

**Currently charting:** #150 Top Paid · Weather (US App Store)

Explore the celestial movements of the sun, moon, and planets. Simulate eclipses, track sunrise and sunset times, and receive notifications for astronomical events. View the sky from any location on Earth, even in augmented reality.

**Highlights:** 3D celestial body tracking, Time and location simulation, Augmented Reality (AR) view, Sunrise/sunset prediction, Lunar and solar eclipse simulation, Astronomical event notifications, Today widget

**In-app purchases:** none


### Solstice

[App page](https://appshunter.io/ios/app/solstice/id1547580907)

**Currently charting:** #165 Top Free · Weather (US App Store)

Track daily daylight changes in your location and see monthly projections. Explore daylight variations across different global locations and over time. Receive notifications and use widgets to stay informed about upcoming daylight.

**Highlights:** Daily daylight change comparison, Monthly daylight projections, Time Travel feature, Multi-location comparison, Daily notifications, Widgets

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $5.99 | one-time |
| Large Tip | $11.99 | one-time |

**What reviewers like**

- ✨ Beautiful and clean design
- 👍 Simple and easy to use
- 💡 Informative and detailed data
- 🚀 Fast and seamless performance
- 🎁 Free and privacy-respecting

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Widgets not displaying correctly
- 🐛 Notifications not sending
- 🐛 Inaccurate information (longest/shortest days inverted)
- 🐛 App hangs on cold open

**Reported bugs**

- App crashes when sliding bar
- App crashes when holding any location
- Square widget displays white square with grey bars only
- Widget options not showing
- Lock screen widget progress ring shows incorrect progress

**Requested features**

- Add a month view
- Add equinox measurements and widgets
- Remember multiple locations
- Compare data for two places on the same screen
- Add automatic push notifications for sunset


## Frequently asked questions

### Is Sun & Moon 3D Planetarium Pro free?

Sun & Moon 3D Planetarium Pro costs $2.99, with no in-app purchases.

### Is Solstice free?

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

### Which has better reviews, Sun & Moon 3D Planetarium Pro or Solstice?

Solstice is rated higher. Sun & Moon 3D Planetarium Pro averages 4.7 out of 5 from 131 ratings, while Solstice averages 4.8 from 80 ratings.

### Do Sun & Moon 3D Planetarium Pro or Solstice have ads?

Neither Sun & Moon 3D Planetarium Pro nor Solstice shows ads.

### Which is updated more often, Sun & Moon 3D Planetarium Pro or Solstice?

Sun & Moon 3D Planetarium Pro ships an update fortnightly, and Solstice every 2 months. Most recently, Sun & Moon 3D Planetarium Pro was updated on October 26, 2026 and Solstice on October 25, 2026.

### Which is more popular, Sun & Moon 3D Planetarium Pro or Solstice?

Sun & Moon 3D Planetarium Pro currently peaks at #150 in the App Store charts, and Solstice at #165. Chart position reflects recent download velocity rather than total install base.

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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.*