# Eagle Image Stacker vs Struix

The clearest difference is in-app purchases: Struix at none against Eagle Image Stacker's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Eagle Image Stacker sells 3 in-app purchases, starting at $9.99 per month. Struix asks for nothing beyond the download.

## The numbers

| Metric | Eagle Image Stacker | Struix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/eagle-image-stacker/id6757908614/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 7 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AL MUATASIM AL MAADI](https://appshunter.io/developer/1869537738) | [皓逸 祝](https://appshunter.io/developer/1697256807) |

## What reviewers say

### Eagle Image Stacker

[App page](https://appshunter.io/ios/app/eagle-image-stacker/id6757908614)

Astro stacking and RAW image processing toolkit for iPhone. Align, stack, and export high-quality results for star fields, galaxies, planets, and more. Features on-device processing for privacy and flexibility.

**Highlights:** RAW, DNG, ProRAW, JPEG, HEIF, TIFF support, Astro Mode for deep-sky objects, Planets Mode with ROI tracking, RAW converter and inspector, Calibration tools (dark, flat frames), On-device processing, Export high-quality results

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eagle Pro Monthly | $9.99 | per month |
| Eagle Pro Annual | $40.99 | per year |
| Eagle Pro Lifetime | $49.99 | one-time |


### Struix

[App page](https://appshunter.io/ios/app/struix/id6787133532)

**In-app purchases:** none


## Frequently asked questions

### Is Eagle Image Stacker free?

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

### Is Struix free?

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

### Do Eagle Image Stacker or Struix have ads?

Neither Eagle Image Stacker nor Struix 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.*