# SvbonyAstro vs AstroStacker

The clearest difference is rating: SvbonyAstro at 1.6 against AstroStacker's 1.1. SvbonyAstro also leads on in-app purchases (none vs 3) and review sentiment (33% vs 0%). AstroStacker's advantage is update cadence (every 2 weeks vs every 8 months). 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. SvbonyAstro asks for nothing beyond the download.

SvbonyAstro holds the better App Store score, 1.6 against 1.1. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews point the same way: 33% of SvbonyAstro's written reviews are positive against 0% of AstroStacker's.

SvbonyAstro ships an update every 8 months, AstroStacker every 2 weeks. The most recent releases landed on November 4, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | SvbonyAstro | AstroStacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (8 ratings)](https://appshunter.io/ios/app/svbonyastro/id6476085342/reviews)** | [1.1 (7 ratings)](https://appshunter.io/ios/app/astrostacker-stack-the-sky/id6753679598/reviews) |
| Number of ratings | **8** | 7 |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 27 MB | 17 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Ysair Technology Co., LTD](https://appshunter.io/developer/1597861424) | [Ahmed Al-Mahmud](https://appshunter.io/developer/1844352476) |

## What reviewers say

### SvbonyAstro

[App page](https://appshunter.io/ios/app/svbonyastro/id6476085342)

This professional astronomical photography app connects to cameras via Wi-Fi, offering real-time picture previews. Users can capture photos and videos, plan shoots, and save files directly to their device.

**Highlights:** Wi-Fi camera connection, Real-time picture preview, Photo and video capture, Shoot planning, Device file storage

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SvbonyAstro free?

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

### Is AstroStacker free?

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

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

SvbonyAstro is rated higher. SvbonyAstro averages 1.6 out of 5 from 8 ratings, while AstroStacker averages 1.1 from 7 ratings.

### Do SvbonyAstro or AstroStacker have ads?

Neither SvbonyAstro nor AstroStacker shows ads.

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

SvbonyAstro ships an update every 8 months, and AstroStacker every 2 weeks. Most recently, SvbonyAstro was updated on November 4, 2026 and AstroStacker on November 12, 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.*