# Astro Stacker vs Glendos

The clearest difference is review sentiment: Glendos at 100% against Astro Stacker's 0%. Glendos also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 3). Astro Stacker's advantage is ratings volume (6 vs 1) and iOS requirement (17.0 vs 26.0). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Astro Stacker sells 3 in-app purchases, starting at $12.99 per month. Glendos asks for nothing beyond the download.

Glendos holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Astro Stacker has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Astro Stacker's written reviews are positive against 100% of Glendos's.

Astro Stacker ships an update fortnightly, Glendos every 5 days. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Astro Stacker | Glendos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (6 ratings)](https://appshunter.io/ios/app/astro-stacker-star-images/id6753679598/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/glendos/id6807935530/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 17 MB | 27 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed Al-Mahmud](https://appshunter.io/developer/1844352476) | [WALTER R KUBAY](https://appshunter.io/developer/6807935532) |

## What reviewers say

### Astro Stacker

[App page](https://appshunter.io/ios/app/astro-stacker-star-images/id6753679598)

Transform your smartphone into a powerful astrophotography tool. This app uses advanced algorithms to combine multiple night sky photos, reducing noise and revealing hidden celestial details for professional-quality results.

**Highlights:** Advanced stacking algorithms (Average, Median, Maximum, Minimum), Intelligent and manual image alignment, Real-time processing and progress tracking, On-device processing, no cloud upload, Export high-resolution stacked images, Detailed processing insights and logs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroStacker app | $12.99 | per month |
| AstroStacker app | $99.99 | per year |
| AstroStacker app | $219.00 | one-time |


### Glendos

[App page](https://appshunter.io/ios/app/glendos/id6807935530)

Discover and share photography locations with a collaborative map. See example shots, light conditions, and access information before you go. Plan your shoots and save private spots.

**Highlights:** Shared map of photo locations, User-submitted photos for context, Light condition tracking, Location access information, Private spot saving, Location planning boards, Shot list creation

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

**In-app purchases:** none


## Frequently asked questions

### Is Astro Stacker free?

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

### Is Glendos free?

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

### Which has better reviews, Astro Stacker or Glendos?

Glendos is rated higher. Astro Stacker averages 1.0 out of 5 from 6 ratings, while Glendos averages 5.0 from 1 ratings.

### Do Astro Stacker or Glendos have ads?

Neither Astro Stacker nor Glendos shows ads.

### Which is updated more often, Astro Stacker or Glendos?

Astro Stacker ships an update fortnightly, and Glendos every 5 days. Most recently, Astro Stacker was updated on October 30, 2026 and Glendos on October 26, 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.*