Comparison

DWARFLAB vs Eagle Image Stacker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DWARFLAB

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
Read full description

DWARFLAB smart telescope, empowered by advanced technology, opens up a world of diverse perspectives for users, capturing the wonders of life. No guidance or experience needed, it's ready to use out of the box. Wireless Connection Use the App to connect wirelessly with DWARFLAB smart telescope, enabling not only precise control but also making the shooting process more flexible and efficient. Astrophotography The App features an in-built star atlas, allowing you to simply tap on the celestial you desire to proceed with automatic star tracking and enjoy real-time image stacking. You can also adjust the astro curves and personalize the color grading to create your own 4K astronomical images. In-App Post Processing Capture, select, stack, and enhance — all in one seamless workflow for astrophotography. Supports both onboard stacking and cloud-based processing, with multi-format export options to make every astro image crisp and brilliant. Motion Tracking You can freely select the target to track on the shooting interface, enjoying the flexibility of manual selection; or you can use the telescope's automatic recognition function, which intelligently identifies tracks, and starts recordings, easily capturing dynamic scenes such as bird predation, flights, and sports close-ups. Gigapixel Panorama Simply set the shooting range and tap to start — with one-click stitching, you can create extremely detailed and vast panoramic images, supporting deep zoom and experiencing an unprecedented level of detail richness. Time-Lapse Photography Capture the flow and changes of time, recording the hustle and bustle of traffic, the blooming and wilting of flowers. Combined with astronomical tracking functions, it can also record the trajectory of the sun, solar/lunar eclipses, and the star trails.

About

Eagle Image Stacker

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
Read full description

Eagle Image Stacker is a local-first astronomy imaging toolkit for iPhone. Import or capture RAW, DNG, ProRAW, JPEG, HEIF, TIFF, and other supported image files, then align, calibrate, stack, inspect, and export high-quality results. Use Astro Mode for star fields, galaxies, nebulae, and deep-sky sequences. Use Planets Mode for Moon and planet workflows with ROI tracking and alignment tools. RAW Converter helps inspect and export camera files, while calibration tools support dark frames, flat fields, hot-pixel review, masks, and alignment analysis. The app is built for on-device processing. Your selected images and generated outputs remain local unless you choose to save, export, or share them through iOS. Some capture features depend on your iPhone hardware. RAW and Apple ProRAW availability varies by device. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Subscription Terms: https://sites.google.com/view/eis-subscription-terms/ Privacy Policy: https://sites.google.com/view/eagle-image-stacker-privacy2/

Screenshots

DWARFLAB4 screens
Eagle Image Stacker4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

Scorecard7 real differences · 3 level
DWARFLAB versus Eagle Image Stacker: the parameters behind the verdict, then further details
ParameterDWARFLABEagle Image Stacker
PriceFreeFree
Rating3.5 (141 ratings) — better1.0 (1 ratings)
Positive reviews35.2% of reviews — better0.0% of reviews
Number of ratings141 — better1
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15 — better18.0
Further details — not scored
Size209 MB31 MB
Age rating4+4+
DeveloperTinyphoton (Wuhan) Technology. Co., Ltd.AL MUATASIM AL MAADI

Customer experience

DWARFLAB

All ratings141 ratings
Positive61.0%
Neutral7.8%
Negative31.2%
Written reviews105 reviews
Positive35.2%
Neutral21.0%
Negative43.8%

Eagle Image Stacker

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

DWARFLAB

Reported bugs

21 issues
  • 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
Show 16 more
  • Manual focus unresponsive
  • Tracking takes excessive time to initiate
  • Dark frame calibration lines appear and ruin images
  • Temperature-related calibration failures
  • Settings reset to defaults after stacking
  • IR Cut/Pass filter constantly resets to Pass mode
  • Photo saving to album is inconsistent (hit or miss)
  • App freezes when changing camera systems
  • Inverted controls and flipped image display
  • Battery icon obscures capacity readout on iPhone
  • STA mode connectivity broken
  • Firmware update errors prevent connection
  • Image preview not displaying in app
  • Joystick controls unresponsive intermittently
  • Wide and telephoto lens menu settings reversed
  • App incompatible with iOS versions below 15

Requested features

13 requests
  • 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
Show 8 more
  • Histogram display in app
  • Burst mode functionality
  • External Barlow lens support
  • Mac M-series silicon compatibility
  • Ability to skip firmware updates until convenient time
  • Milky Way capture documentation for Dwarf Mini
  • Photo album integration improvements
  • STA mode WiFi connectivity fix

Eagle Image Stacker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

DWARFLAB

No in-app purchases

3 purchases

Eagle Image Stacker

Subscriptions2
  • Eagle Pro Monthly$9.991 Month
  • Eagle Pro Annual7 Days trial$40.991 Year
One-time1
  • Eagle Pro Lifetime$49.99

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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