# AstroShader vs SharpStacker

The clearest difference is price: SharpStacker at Free against AstroShader's $1.99. SharpStacker also leads on device support (3 vs 1). AstroShader's advantage is chart position (#13 vs unranked). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

SharpStacker is free to download; AstroShader costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AstroShader ships an update every 3 weeks, SharpStacker fortnightly. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | AstroShader | SharpStacker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.2 (105 ratings)](https://appshunter.io/ios/app/astroshader/id6444631986/reviews)** | — |
| Number of ratings | **105** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Paid | — |
| Best chart rank | **#13** | — |
| Size | 9 MB | 17 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [AstroShader Limited](https://appshunter.io/developer/1655754202) | [LUIGI VANNOZZI](https://appshunter.io/developer/6783673110) |

## What reviewers say

### AstroShader

[App page](https://appshunter.io/ios/app/astroshader/id6444631986)

**Currently charting:** #13 Top Paid · Photo & Video (US App Store)

Capture, stack, and edit stunning astrophotography directly on your mobile device. This app streamlines the process by aligning and stacking images live during capture, eliminating the need for external software. Fine-tune your celestial images with a comprehensive suite of editing tools.

**Highlights:** Live image alignment and stacking, Manual focus control, Adjustable exposure, ISO, and white balance, Intervalometer for timed captures, Advanced image editing tools, Save in multiple formats including TIFF

**In-app purchases:** none


### SharpStacker

[App page](https://appshunter.io/ios/app/sharpstacker/id6783673108)

**In-app purchases:** none


## Frequently asked questions

### Is AstroShader free?

AstroShader costs $1.99, with no in-app purchases.

### Is SharpStacker free?

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

### Do AstroShader or SharpStacker have ads?

Neither AstroShader nor SharpStacker shows ads.

### Which is updated more often, AstroShader or SharpStacker?

AstroShader ships an update every 3 weeks, and SharpStacker fortnightly. Most recently, AstroShader was updated on October 1, 2026 and SharpStacker on September 28, 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.*