# Shutter Link vs Zenith Annotation

The clearest difference is update cadence: Zenith Annotation at daily against Shutter Link's fortnightly. Zenith Annotation also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shutter Link sells 1 one-off in-app purchase and Zenith Annotation sells 2 in-app purchases, starting at $24.99 per year. Whichever you choose, the download price is not the number that matters.

Shutter Link ships an update fortnightly, Zenith Annotation daily. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Shutter Link | Zenith Annotation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 21 MB | 47 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Underwood](https://appshunter.io/developer/619455284) | [Eduardo Martinez Gomez](https://appshunter.io/developer/6790600757) |

## What reviewers say

### Shutter Link

[App page](https://appshunter.io/ios/app/shutter-link/id6805138425)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bluetooth Remote | $6.99 | one-time |


### 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 Shutter Link free?

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

### Is Zenith Annotation free?

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

### Do Shutter Link or Zenith Annotation have ads?

Neither Shutter Link nor Zenith Annotation shows ads.

### Which is updated more often, Shutter Link or Zenith Annotation?

Shutter Link ships an update fortnightly, and Zenith Annotation daily. Most recently, Shutter Link was updated on October 16, 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.*