# mog vs Astar Star Map Night Sky Guide

The clearest difference is in-app purchases: mog at none against Astar Star Map Night Sky Guide's 6. Astar Star Map Night Sky Guide's advantage is ads (none vs shown). On price, device support and iOS requirement 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. mog asks for nothing beyond the download.

## The numbers

| Metric | mog | Astar Star Map Night Sky Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astar-star-map-night-sky-guide/id6781411603/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 529 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yoshimune Tanino](https://appshunter.io/developer/1809926738) | [Motto Software & Design](https://appshunter.io/developer/1445301869) |

## What reviewers say

### mog

[App page](https://appshunter.io/ios/app/mog-log/id6744916908)

**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 mog free?

mog 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.

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

mog shows ads; Astar Star Map Night Sky Guide does not.

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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.*