# AstroStacker vs AstroFinish

The clearest difference is review sentiment: AstroFinish at 100% against AstroStacker's 0%. AstroFinish also leads on rating (4.9 vs 1.1) and in-app purchases (none vs 3). On price, ratings volume, ads and device support there is nothing between them.

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

AstroFinish holds the better App Store score, 4.9 against 1.1. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews point the same way: 0% of AstroStacker's written reviews are positive against 100% of AstroFinish's.

AstroStacker ships an update every 2 weeks, AstroFinish every 5 days. The most recent releases landed on November 14, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | AstroStacker | AstroFinish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.1 (7 ratings)](https://appshunter.io/ios/app/astrostacker-stack-the-sky/id6753679598/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/astrofinish/id6763904575/reviews)** |
| Number of ratings | 7 | **8** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Freemium | **Free** |
| Size | 17 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed Al-Mahmud](https://appshunter.io/developer/1844352476) | [Cody Adams](https://appshunter.io/developer/1744999708) |

## 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 |


### AstroFinish

[App page](https://appshunter.io/ios/app/astrofinish/id6763904575)

Enhance your astrophotography with powerful editing tools designed for space images. Apply quick presets or fine-tune details like stars, nebulae, and moon sharpness. Process images locally on your iPhone without needing an account or cloud uploads.

**Highlights:** Auto Astro Polish presets, Manual editing controls, Nebula and galaxy detail enhancement, Denoise and star reduction, Batch processing, Local image processing, Before/after comparison cards

**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 AstroFinish free?

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

### Which has better reviews, AstroStacker or AstroFinish?

AstroFinish is rated higher. AstroStacker averages 1.1 out of 5 from 7 ratings, while AstroFinish averages 4.9 from 8 ratings.

### Do AstroStacker or AstroFinish have ads?

Neither AstroStacker nor AstroFinish shows ads.

### Which is updated more often, AstroStacker or AstroFinish?

AstroStacker ships an update every 2 weeks, and AstroFinish every 5 days. Most recently, AstroStacker was updated on November 14, 2026 and AstroFinish on November 13, 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.*