# Good Night System vs PicoStar

The clearest difference is in-app purchases: Good Night System at none against PicoStar's 1. Good Night System also leads on iOS requirement (8.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PicoStar sells 1 one-off in-app purchase. Good Night System asks for nothing beyond the download.

Good Night System ships an update every 6 months, PicoStar every 7 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Good Night System | PicoStar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/good-night-system/id646945920/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free | — |
| Size | 19 MB | 16 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lunatico Astronomia S. L.](https://appshunter.io/developer/571006483) | [Ryan Rudes](https://appshunter.io/developer/1698870132) |

## What reviewers say

### Good Night System

[App page](https://appshunter.io/ios/app/good-night-system/id646945920)

This iOS companion app monitors your observatory while you sleep. It will alert you via your iPhone if any issues arise, ensuring peace of mind for astronomers. A free PC application is also available for download.

**Highlights:** Observatory monitoring, Sleep-time alerts, iPhone wake-up notifications, Companion iOS app, Free PC application available

**Features:** macOS Compatibility

**In-app purchases:** none


### PicoStar

[App page](https://appshunter.io/ios/app/picostar/id6444901007)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Planetary Expansion Pack | $9.99 | one-time |


## Frequently asked questions

### Is Good Night System free?

Good Night System is free to download, with no in-app purchases.

### Is PicoStar free?

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

### Do Good Night System or PicoStar have ads?

Neither Good Night System nor PicoStar shows ads.

### Which is updated more often, Good Night System or PicoStar?

Good Night System ships an update every 6 months, and PicoStar every 7 months. Most recently, Good Night System was updated on October 11, 2026 and PicoStar on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*