CyanHero
iOS app by Walter Tengler. Utilities · Walter Tengler
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- 2.99 USD
- In-app purchases
- Unknown
- Version
- 2.3
- Listing last refreshed
- 2026-09-10
View the original store listing
Store description excerpt
Transform your photos into stunning cyanotype negatives with professional precision. CyanHero is the essential tool for cyanotype artists and alternative process photographers. Whether you're creating classic Prussian blue prints or exploring other historical photographic techniques, CyanHero gives you complete control over your negative preparation. Professional Image Processing Logarithmic negative inversion for proper tonal reproduction — each exposure stop maps to equal density steps, just like a traditional photographic negative Automatic grayscale conversion optimized for UV printing Advanced tone curve adjustments with Photoshop .acv file support Process-specific preset curves for Cyanotype, Van Dyke Brown, Platinum, Gum Bichromate, and more Fine-tune brightness (-50% to +50%) and contrast (0.5x to 2.5x) Scale images from 10% to 1000% for any print size Powerful Editing Tools Intuitive crop tool for perfect composition 90-degree rotation in both directions Horizontal and vertical flip options Undo crop to restore original framing Drag-and-drop support for quick workflows Smart Preview System Real-time negative preview in black and white Cyanotype preview showing your final Prussian blue result Toggle instantly between modes to perfect your image See exactly how your print will look before exposure Flexible Output Options Print directly to transparency film Export as PNG, JPEG, or TIFF formats Multi-page printing for large-format negatives Support for Letter, A4, Legal, and Tabloid sizes Portrait and landscape orientation options Position and scale images precisely on the page Beautiful Dark Interface Professional dark theme reduces eye strain during long editing sessions Icon-based toolbar for quick access to all tools Real-time adjustment sliders with live value displays Clean, intuitive layout inspired by modern photo editing software Perfect For: Cyanotype printing Van Dyke Brown process Platinum/Palladium printing Gum bichromate printing Photopolymer gravure Any UV-sensitive alternative process Digital negative creation Historical photography techniques Workflow: Import your image → Adjust curves, brightness, and contrast → Preview in cyanotype blue → Export or print to transparency → Expose on UV-sensitive paper → Develop and enjoy your handmade print Unlike standard image editors that use simple arithmetic inversion (255 minus pixel value), CyanHero uses logarithmic inversion to produce negatives where tonal steps correspond to real photographic exposure stops. Combined with process-specific curves calibrated for each alternative printing technique, this delivers negatives with proper shadow detail, smooth midtones, and controlled highlights — the difference between a muddy print and a stunning one. CyanHero streamlines the digital negative workflow, letting you focus on the art of alternative process photography. Whether you're a seasoned practitioner or just discovering the magic of cyanotypes, CyanHero makes creating per
Review coverage
AppRill has captured 0 reviews for this app. This is a collected sample, separate from the store rating count. Latest review capture: Not captured yet.
Recent captured chart positions
No chart positions have been captured for this app yet.
Chart position, rating count and review coverage do not establish downloads, revenue or profit. Understand the differences.