# DWARFLAB vs Eagle Image Stacker

The clearest difference is rating: DWARFLAB at 3.5 against Eagle Image Stacker's 1.0. DWARFLAB also leads on review sentiment (35% vs 0%) and in-app purchases (none vs 3). On price and ads there is nothing between them.

Both are free to download. Eagle Image Stacker sells 3 in-app purchases, starting at $9.99 per month. DWARFLAB asks for nothing beyond the download.

DWARFLAB holds the better App Store score, 3.5 against 1.0. That said, the two scores are not equally well evidenced: DWARFLAB has 141 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 35% of DWARFLAB's written reviews are positive against 0% of Eagle Image Stacker's.

## The numbers

| Metric | DWARFLAB | Eagle Image Stacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (141 ratings)](https://appshunter.io/ios/app/dwarflab/id1667394131/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/eagle-image-stacker/id6757908614/reviews) |
| Number of ratings | **141** | 1 |
| Positive reviews | **35.2% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 209 MB | 31 MB |
| Requires iOS | **15** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tinyphoton (Wuhan) Technology. Co., Ltd.](https://appshunter.io/developer/1470898020) | [AL MUATASIM AL MAADI](https://appshunter.io/developer/1869537738) |

## What reviewers say

### 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


### Eagle Image Stacker

[App page](https://appshunter.io/ios/app/eagle-image-stacker/id6757908614)

Astro stacking and RAW image processing toolkit for iPhone. Align, stack, and export high-quality results for star fields, galaxies, planets, and more. Features on-device processing for privacy and flexibility.

**Highlights:** RAW, DNG, ProRAW, JPEG, HEIF, TIFF support, Astro Mode for deep-sky objects, Planets Mode with ROI tracking, RAW converter and inspector, Calibration tools (dark, flat frames), On-device processing, Export high-quality results

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eagle Pro Monthly | $9.99 | per month |
| Eagle Pro Annual | $40.99 | per year |
| Eagle Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is DWARFLAB free?

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

### Is Eagle Image Stacker free?

Eagle Image Stacker is free to download, with in-app purchases available.

### Which has better reviews, DWARFLAB or Eagle Image Stacker?

DWARFLAB is rated higher. DWARFLAB averages 3.5 out of 5 from 141 ratings, while Eagle Image Stacker averages 1.0 from 1 ratings.

### Do DWARFLAB or Eagle Image Stacker have ads?

Neither DWARFLAB nor Eagle Image Stacker shows ads.

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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.*