# Eagle Image Stacker vs SolarTrack

The clearest difference is iOS requirement: SolarTrack at 16.0 against Eagle Image Stacker's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Eagle Image Stacker sells 3 in-app purchases, starting at $9.99 per month and SolarTrack sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Eagle Image Stacker | SolarTrack |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 6 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AL MUATASIM AL MAADI](https://appshunter.io/developer/1869537738) | [HONG KONG WOOKAKA PET PRODUCTS CO., LIMITED](https://appshunter.io/developer/1821243531) |

## 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 |


### SolarTrack

[App page](https://appshunter.io/ios/app/solartrack-sun-moon-tracker/id6760690667)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Boost | $4.99 | per 7 days |
| Yearly Boost | $39.99 | per year |


## Frequently asked questions

### Is Eagle Image Stacker free?

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

### Is SolarTrack free?

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

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

Neither Eagle Image Stacker nor SolarTrack 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.*