# SvbonyAstro vs Zenith Annotation

The clearest difference is in-app purchases: SvbonyAstro at none against Zenith Annotation's 2. Zenith Annotation's advantage is update cadence (daily vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zenith Annotation sells 2 in-app purchases, starting at $24.99 per year. SvbonyAstro asks for nothing beyond the download.

SvbonyAstro ships an update every 3 months, Zenith Annotation daily. The most recent releases landed on September 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SvbonyAstro | Zenith Annotation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (7 ratings)](https://appshunter.io/ios/app/svbonyastro/id6476085342/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 22 MB | 47 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Ysair Technology Co., LTD](https://appshunter.io/developer/1597861424) | [Eduardo Martinez Gomez](https://appshunter.io/developer/6790600757) |

## 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


### Zenith Annotation

[App page](https://appshunter.io/ios/app/zenith-annotation/id6816010913)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annotation Studio with Trial | $24.99 | per year |
| Annotation Studio Annual | $24.99 | per year |


## Frequently asked questions

### Is SvbonyAstro free?

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

### Is Zenith Annotation free?

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

### Do SvbonyAstro or Zenith Annotation have ads?

Neither SvbonyAstro nor Zenith Annotation shows ads.

### Which is updated more often, SvbonyAstro or Zenith Annotation?

SvbonyAstro ships an update every 3 months, and Zenith Annotation daily. Most recently, SvbonyAstro was updated on September 25, 2026 and Zenith Annotation on October 6, 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.*