# Dragonfly Observatory Control vs AstroVitals

The clearest difference is update cadence: AstroVitals at every 3 weeks against Dragonfly Observatory Control's every 11 months. Dragonfly Observatory Control's advantage is iOS requirement (8.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dragonfly Observatory Control ships an update every 11 months, AstroVitals every 3 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Dragonfly Observatory Control | AstroVitals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/astrovitals/id6789724589/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 33 MB | 9 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Lunatico Astronomia S. L.](https://appshunter.io/developer/571006483) | [MAXIMILIAN BOTEV](https://appshunter.io/developer/6789724591) |

## What reviewers say

### Dragonfly Observatory Control

[App page](https://appshunter.io/ios/app/dragonfly-observatory-control/id1229088380)

**Features:** macOS Compatibility

**In-app purchases:** none


### AstroVitals

[App page](https://appshunter.io/ios/app/astrovitals/id6789724589)

Monitor your telescope's vital signs remotely from your iPhone, iPad, or Apple Watch. View guiding, focus, image quality, and sequence progress on a glanceable dashboard. Receive smart alerts and optionally control your imaging session.

**Highlights:** Live guiding graphs and stability scores, Autofocus V-curve visualization, Full sequence tree with progress, 3D mount position and target altitude, Apple Watch app and complications, Home and lock screen widgets, Smart alerts for image quality and guiding

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Dragonfly Observatory Control free?

Dragonfly Observatory Control is free to download, with no in-app purchases.

### Is AstroVitals free?

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

### Do Dragonfly Observatory Control or AstroVitals have ads?

Neither Dragonfly Observatory Control nor AstroVitals shows ads.

### Which is updated more often, Dragonfly Observatory Control or AstroVitals?

Dragonfly Observatory Control ships an update every 11 months, and AstroVitals every 3 weeks. Most recently, Dragonfly Observatory Control was updated on November 2, 2026 and AstroVitals on October 31, 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.*