# Dragonfly Observatory Control vs iOptron Commander (iOS)

The clearest difference is iOS requirement: Dragonfly Observatory Control at 8.0 against iOptron Commander (iOS)'s 18.6. On price, update cadence, ads and in-app purchases 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, iOptron Commander (iOS) every 6 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Dragonfly Observatory Control | iOptron Commander (iOS) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.9 (14 ratings)](https://appshunter.io/ios/app/ioptron-commander-ios/id1626958667/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 6.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 33 MB | 24 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lunatico Astronomia S. L.](https://appshunter.io/developer/571006483) | [成城 徐](https://appshunter.io/developer/564078964) |

## What reviewers say

### Dragonfly Observatory Control

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

**Features:** macOS Compatibility

**In-app purchases:** none


### iOptron Commander (iOS)

[App page](https://appshunter.io/ios/app/ioptron-commander-ios/id1626958667)

Control your iOptron telescope mount remotely using your iOS device. This utility allows for basic functions like slewing to celestial objects, syncing time and location, and managing compatible mount series.

**Highlights:** Remote telescope mount control, Slew to stars and deepsky objects, Sync time and site from iOS, Supports HEM, HAE, HAZ, CEM, GEM series mounts, Basic control functions

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

**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 iOptron Commander (iOS) free?

iOptron Commander (iOS) is free to download, with no in-app purchases.

### Do Dragonfly Observatory Control or iOptron Commander (iOS) have ads?

Neither Dragonfly Observatory Control nor iOptron Commander (iOS) shows ads.

### Which is updated more often, Dragonfly Observatory Control or iOptron Commander (iOS)?

Dragonfly Observatory Control ships an update every 11 months, and iOptron Commander (iOS) every 6 months. Most recently, Dragonfly Observatory Control was updated on October 20, 2026 and iOptron Commander (iOS) on October 18, 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.*