# Lunar Observer vs Astar Star Map Night Sky Guide

The clearest difference is in-app purchases: Lunar Observer at none against Astar Star Map Night Sky Guide's 6. Lunar Observer also leads on ratings volume (4 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Astar Star Map Night Sky Guide sells 6 in-app purchases, starting at $7.99 per month. Lunar Observer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Lunar Observer against 5.0 for Astar Star Map Night Sky Guide. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Lunar Observer | Astar Star Map Night Sky Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/lunar-observer/id6762546936/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/astar-star-map-night-sky-guide/id6781411603/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 331 MB | 529 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Humoud Salmeen](https://appshunter.io/developer/1894626699) | [Motto Software & Design](https://appshunter.io/developer/1445301869) |

## What reviewers say

### Lunar Observer

[App page](https://appshunter.io/ios/app/lunar-observer/id6762546936)

Track the moon's phases, illumination, and rise/set times with precise astronomical calculations. View upcoming solar and lunar eclipses, and access a Hijri calendar. Get optional notifications for celestial events and enjoy an authentic Arabic interface.

**Highlights:** Precise moon phase and illumination tracking, Sunrise, sunset, moonrise, moonset times, Upcoming solar and lunar eclipse coverage, Hijri calendar with moon phase markers, Customizable notifications for celestial events, Choice of NASA imagery or 3D terrain model, Full Arabic localization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Astar Star Map Night Sky Guide

[App page](https://appshunter.io/ios/app/astar-star-map-night-sky-guide/id6781411603)

Explore the night sky with a live 3D star map that identifies constellations and celestial bodies. Leave and discover notes attached to stars, creating a shared or private celestial journal. Optionally name stars or extend note visibility with one-time purchases.

**Highlights:** Live 3D star map, Constellation identification, User-generated notes on stars, Public Explore feed, Private Journal, Symbolic star naming, Capture mode for aiming

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astar Premium | $7.99 | per month |
| Astar Premium | $49.99 | per year |
| Extend Note +3 Days | $0.99 | one-time |
| Extend Note +7 Days | $1.99 | one-time |
| Name a Star (1 Month) | $14.99 | one-time |
| Name a Star (1 Month) | $19.99 | one-time |


## Frequently asked questions

### Is Lunar Observer free?

Lunar Observer is free to download, with no in-app purchases.

### Is Astar Star Map Night Sky Guide free?

Astar Star Map Night Sky Guide is free to download, with in-app purchases available.

### Which has better reviews, Lunar Observer or Astar Star Map Night Sky Guide?

Lunar Observer and Astar Star Map Night Sky Guide are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Lunar Observer or Astar Star Map Night Sky Guide have ads?

Neither Lunar Observer nor Astar Star Map Night Sky Guide shows ads.

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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.*