# Armillary vs Night Sky Planner

The clearest difference is update cadence: Armillary at daily against Night Sky Planner's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Armillary ships an update daily, Night Sky Planner monthly. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Armillary | Night Sky Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/night-sky-planner/id6786410221/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Monetization | — | Free |
| Size | 13 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [晗 林](https://appshunter.io/developer/1768801333) | [Bryson Loughmiller](https://appshunter.io/developer/6783925494) |

## What reviewers say

### Armillary

[App page](https://appshunter.io/ios/app/armillary/id6761231094)

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

**In-app purchases:** none


### Night Sky Planner

[App page](https://appshunter.io/ios/app/night-sky-planner/id6786410221)

This app helps amateur astronomers find celestial objects to observe. It provides detailed information on when and how to best view planets, stars, and deep-sky objects from your specific location, even without an internet connection.

**Highlights:** Night strip timeline, Gantt view of targets, Best Nights ranking, Point Me directional guide, Printable finder rose, Object sky-survey plates, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Armillary free?

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

### Is Night Sky Planner free?

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

### Do Armillary or Night Sky Planner have ads?

Neither Armillary nor Night Sky Planner shows ads.

### Which is updated more often, Armillary or Night Sky Planner?

Armillary ships an update daily, and Night Sky Planner monthly. Most recently, Armillary was updated on October 15, 2026 and Night Sky Planner on October 11, 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.*