# Svbonyastrocam vs Zenith Annotation

The clearest difference is in-app purchases: Svbonyastrocam at none against Zenith Annotation's 2. Zenith Annotation's advantage is update cadence (daily vs every 2 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. Svbonyastrocam asks for nothing beyond the download.

Svbonyastrocam ships an update every 2 months, Zenith Annotation daily. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Svbonyastrocam | Zenith Annotation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 15 MB | 47 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Hengxinyan Optoelectronics Co.,Ltd](https://appshunter.io/developer/1857963401) | [Eduardo Martinez Gomez](https://appshunter.io/developer/6790600757) |

## What reviewers say

### Svbonyastrocam

[App page](https://appshunter.io/ios/app/svbonyastrocam/id6756014029)

**Features:** macOS Compatibility

**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 Svbonyastrocam free?

Svbonyastrocam 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 Svbonyastrocam or Zenith Annotation have ads?

Neither Svbonyastrocam nor Zenith Annotation shows ads.

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

Svbonyastrocam ships an update every 2 months, and Zenith Annotation daily. Most recently, Svbonyastrocam was updated on October 13, 2026 and Zenith Annotation on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*