# Armillary vs SkyScope

The clearest difference is in-app purchases: Armillary at none against SkyScope's 2. Armillary also leads on update cadence (daily vs every 4 weeks). SkyScope's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SkyScope sells 2 in-app purchases, starting at $1.99 per 7 days. Armillary asks for nothing beyond the download.

Armillary ships an update daily, SkyScope every 4 weeks. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Armillary | SkyScope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skyscope-night-sky-guide/id6765678096/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 weeks |
| Monetization | — | Freemium |
| Size | 13 MB | 39 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [晗 林](https://appshunter.io/developer/1768801333) | [skybringup](https://appshunter.io/developer/1841317670) |

## What reviewers say

### Armillary

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

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

**In-app purchases:** none


### SkyScope

[App page](https://appshunter.io/ios/app/skyscope-night-sky-guide/id6765678096)

Identify stars and constellations from photos using AI. Explore celestial objects, compare matches, and learn astronomy facts. Offers free basic identification with an optional premium upgrade for more detailed context.

**Highlights:** AI-assisted photo identification, Constellation and star naming, Astronomy facts, Object comparison, Exploration tab for celestial bodies, Observation context

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Lifetime Premium | $6.99 | one-time |


## Frequently asked questions

### Is Armillary free?

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

### Is SkyScope free?

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

### Do Armillary or SkyScope have ads?

Neither Armillary nor SkyScope shows ads.

### Which is updated more often, Armillary or SkyScope?

Armillary ships an update daily, and SkyScope every 4 weeks. Most recently, Armillary was updated on October 15, 2026 and SkyScope on October 31, 2026.

---

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