# MySkyPics vs Zenith Annotation

The clearest difference is in-app purchases: MySkyPics at none against Zenith Annotation's 2. Zenith Annotation's advantage is update cadence (daily vs every 2 months) and iOS requirement (15.0 vs 18.6). On price, ads and device support there is nothing between them.

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

MySkyPics ships an update every 2 months, Zenith Annotation daily. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MySkyPics | Zenith Annotation |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 6 MB | 47 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NNN Software](https://appshunter.io/developer/906118789) | [Eduardo Martinez Gomez](https://appshunter.io/developer/6790600757) |

## What reviewers say

### MySkyPics

[App page](https://appshunter.io/ios/app/myskypics/id6754646586)

Organize and share your astronomy photos and observations. Catalog thousands of celestial objects, add custom tags, and record sightings without photos. Access Wikipedia and NASA articles for more information.

**Highlights:** Smart telescope photo album, Record observations without photos, Catalog thousands of sky objects, Custom tagging for photos and sightings, Link to Wikipedia and NASA articles, Search and browse celestial objects

**Features:** macOS Compatibility, Vision Pro support

**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 MySkyPics free?

MySkyPics 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 MySkyPics or Zenith Annotation have ads?

Neither MySkyPics nor Zenith Annotation shows ads.

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

MySkyPics ships an update every 2 months, and Zenith Annotation daily. Most recently, MySkyPics was updated on October 11, 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.*