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Aduku Stacker

aduku.app

Free plan WindowsmacOS
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Spec score 7.9 #9 of 24 in Focus Stacking Software

What it is

Aduku Stacker combines photographs taken at different focus distances into a sharp image, for macro, product, landscape and microscopy photography. The free app offers five merge methods: Wavelet, Pyramid, Weighted, Hybrid and Depthmap. Its default workflow processes images at 16-bit and uses 32-bit floating-point merge calculations, with memory-bounded batching for deep stacks. Automatic alignment uses feature matching and subpixel refinement; options include focus-breathing correction, homography, mesh warp and manual alignment seeding. It imports JPEG, PNG, TIFF, BMP, HEIC and DNG, and exports JPEG, PNG, TIFF, linear DNG and depth maps. Proprietary RAW files may require Adobe DNG Converter on macOS. Retouching lets users paint from aligned source frames, erase strokes and undo or redo, but there is no clone tool. Processing is local and does not require an internet connection. It runs on macOS 13 or later and 64-bit Windows 10/11; 8 GB RAM is sufficient for most stacks, with 16 GB recommended for deep 16-bit RAW stacks.

Spec sheet

Purpose
Aduku Stacker combines focus-bracketed photographs into one sharp image for macro, product, landscape, and microscopy photography.Read 30 Sep 2026 · aduku.app
Privacy
The app processes photographs locally and says it does not upload images, create user accounts, or transmit analytics or telemetry.Read 30 Sep 2026 · aduku.app
Support
The maker lists [email protected] for questions and support, and says it has no obligation to provide support, maintenance, or updates.Read 30 Sep 2026 · aduku.app
Maker
The terms identify the publisher as Suriyanarayanan R Srinivasan of Aduku Labs, and the site says the product is made in India.Read 30 Sep 2026 · aduku.app
Alignment
Automatic alignment includes feature matching and subpixel refinement, with options for focus-breathing correction, homography, mesh warp, and manual alignment seeding.Read 30 Sep 2026 · aduku.app
Command line
The focus-stacking engine also ships as a command-line tool with parameter flags for scripting batch processing.Read 30 Sep 2026 · aduku.app
Connectivity
The FAQ says the app needs no internet connection for image processing.Read 30 Sep 2026 · aduku.app
Image processing
The default workflow processes images at 16-bit, uses 32-bit floating-point merge math, and supports memory-bounded batching for deep stacks.Read 30 Sep 2026 · aduku.app
Import and export
It supports JPEG, PNG, TIFF, BMP, HEIC, and DNG import, plus JPEG, PNG, TIFF, linear DNG, and depth-map export; proprietary RAW import may require Adobe DNG Converter on macOS.Read 30 Sep 2026 · aduku.app
Merge methods
It offers five merge methods: Wavelet, Pyramid, Weighted, Hybrid, and Depthmap.Read 30 Sep 2026 · aduku.app
Retouching
Users can paint from aligned source frames, erase strokes, and undo or redo retouching; the app does not yet have a clone tool.Read 30 Sep 2026 · aduku.app
System requirements
The stated requirements are macOS 13 or later or 64-bit Windows 10/11; 8 GB RAM is sufficient for most stacks and 16 GB is recommended for deep 16-bit RAW stacks.Read 30 Sep 2026 · aduku.app

Plans and prices

Aduku Stacker Free macOS 13+ (Apple Silicon & Intel) · Windows 10/11 64-bit Read 30 Sep 2026 · aduku.app

Every Aduku Stacker plan and price →

Strong points and limits

Strong points

  • Five merge methods are available.
  • Automatic alignment includes subpixel refinement.
  • Processes photographs locally without an internet connection.
  • Command-line engine supports scripted batch processing.

Limits

  • No clone tool for retouching.
  • Proprietary RAW imports may need Adobe DNG Converter on macOS.
  • Requires macOS 13+ or 64-bit Windows 10/11.

Who it suits

Aduku Stacker suits photographers who need focus stacking for macro, product, landscape or microscopy images. It also offers a command-line engine for scripting batch processing.

Verdict

Aduku Stacker offers multiple merge methods, alignment options and local processing for focus-stacked images. Check its operating-system requirements and RAW import caveat, and note that retouching has no clone tool.

Where Specifiction places it

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