# Astro Stacker vs Image Frame Extract Pro

The clearest difference is price: Astro Stacker at Free against Image Frame Extract Pro's $0.99. Image Frame Extract Pro's advantage is in-app purchases (none vs 3) and chart position (#194 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Astro Stacker is free to download; Image Frame Extract Pro costs $0.99 up front. Astro Stacker sells 3 in-app purchases, starting at $12.99 per month. Image Frame Extract Pro asks for nothing beyond the download.

## The numbers

| Metric | Astro Stacker | Image Frame Extract Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/astro-stacker-star-images/id6753679598/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Best chart rank | — | **#194** |
| Size | 16 MB | 2 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed Al-Mahmud](https://appshunter.io/developer/1844352476) | [EyeOS Store Inc.](https://appshunter.io/developer/1036418634) |

## 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 |


### Image Frame Extract Pro

[App page](https://appshunter.io/ios/app/image-frame-extract-pro/id6754653747)

**Currently charting:** #194 Top Paid · Photo & Video (US App Store)

**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 Image Frame Extract Pro free?

Image Frame Extract Pro costs $0.99, with no in-app purchases.

### Do Astro Stacker or Image Frame Extract Pro have ads?

Neither Astro Stacker nor Image Frame Extract Pro shows ads.

---

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