# SIONYX vs DWARFLAB

The clearest difference is rating: DWARFLAB at 3.5 against SIONYX's 2.7. DWARFLAB also leads on update cadence (every 5 weeks vs every 5 months) and ratings volume (143 vs 15). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DWARFLAB holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: DWARFLAB has 143 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 27% of SIONYX's written reviews are positive against 36% of DWARFLAB's.

SIONYX ships an update every 5 months, DWARFLAB every 5 weeks. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SIONYX | DWARFLAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (15 ratings)](https://appshunter.io/ios/app/sionyx/id1642888573/reviews) | **[3.5 (143 ratings)](https://appshunter.io/ios/app/dwarflab/id1667394131/reviews)** |
| Number of ratings | 15 | **143** |
| Positive reviews | 27.3% of reviews | **36.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 128 MB | 209 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SiOnyx, LLC](https://appshunter.io/developer/1418868781) | [Tinyphoton (Wuhan) Technology. Co., Ltd.](https://appshunter.io/developer/1470898020) |

## What reviewers say

### SIONYX

[App page](https://appshunter.io/ios/app/sionyx/id1642888573)

Stream video and control your SIONYX Nightwave and OPSIN devices. This app allows for seamless command and upgrade functions for your compatible night vision equipment.

**Highlights:** Video streaming, Command and control functions, Device upgrades, Nightwave device support, OPSIN device support

**Features:** macOS Compatibility

**In-app purchases:** none


### DWARFLAB

[App page](https://appshunter.io/ios/app/dwarflab/id1667394131)

This app connects wirelessly to a smart telescope, offering intuitive control for capturing stunning images of the night sky and dynamic terrestrial scenes. It features automatic tracking, in-app image processing, and panorama creation for both astrophotography and everyday use.

**Highlights:** Wireless telescope connection, In-built star atlas for astrophotography, Automatic celestial and motion tracking, In-app image stacking and post-processing, Gigapixel panorama creation, Time-lapse photography

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 📸 High-quality astrophotography results
- 💰 Excellent value for price
- 🎯 Intuitive sky atlas and target selection
- 🔄 Frequent app updates and improvements
- ⚡ Responsive developer team

**What reviewers complain about**

- 🔌 Persistent WiFi connectivity issues
- ⏱️ Slow connection establishment (15-30 minutes)
- 🐛 Frequent app crashes and freezes
- 📉 Tracking frame drops (25% loss reported)
- 🔄 Connection drops after minutes

**Reported bugs**

- WiFi connection fails repeatedly or drops within seconds
- App crashes on iOS 18 and older iOS versions
- Account creation security verification fails
- Full-screen mode freezes with no escape option
- Autofocus produces inconsistent or blurry results

**Requested features**

- One-tap return to home and power off function
- Panorama/mosaic image merging capability
- Comet-aligned tracking mode
- Dew control for iOS (available on Android)
- iPad-optimized app version


## Frequently asked questions

### Is SIONYX free?

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

### Is DWARFLAB free?

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

### Which has better reviews, SIONYX or DWARFLAB?

DWARFLAB is rated higher. SIONYX averages 2.7 out of 5 from 15 ratings, while DWARFLAB averages 3.5 from 143 ratings.

### Do SIONYX or DWARFLAB have ads?

Neither SIONYX nor DWARFLAB shows ads.

### Which is updated more often, SIONYX or DWARFLAB?

SIONYX ships an update every 5 months, and DWARFLAB every 5 weeks. Most recently, SIONYX was updated on October 6, 2026 and DWARFLAB on October 21, 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.*