# AstroStacker vs Image Frame Extract Pro

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

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

## The numbers

| Metric | AstroStacker | Image Frame Extract Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.1 (7 ratings)](https://appshunter.io/ios/app/astrostacker-stack-the-sky/id6753679598/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | — |
| Size | 17 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

### AstroStacker

[App page](https://appshunter.io/ios/app/astrostacker-stack-the-sky/id6753679598)

Enhance your night sky photos by stacking multiple exposures into a single, detailed image. This app automatically aligns stars, reduces noise, and offers tools to refine your astrophotography results directly on your iPhone or iPad.

**Highlights:** Stack multiple night sky photos, Automatic star alignment, Noise reduction for clearer images, Advanced editing tools, Support for calibration frames (Pro), On-device processing

**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)

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

**In-app purchases:** none


## Frequently asked questions

### Is AstroStacker free?

AstroStacker 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 AstroStacker or Image Frame Extract Pro have ads?

Neither AstroStacker nor Image Frame Extract Pro shows ads.

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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.*