One-liner
A simple calculator app that helps photographers determine shutter speed, aperture, and ISO settings for long exposure photography.
Strengths
- Accurately calculates exposure values based on light meter readings and ND filter strength
- Clean, minimal interface focused on core functionality without distractions
- Supports multiple ND filter strengths (up to 10-stop) with clear visual indicators
- Includes a built-in light meter reference table for common lighting conditions
- Highly rated for reliability in real-world long exposure scenarios
Weaknesses
- No support for mobile HDR or multi-exposure blending workflows
- Users complain about lack of export/share options for calculations
- No dark mode despite being used in low-light shooting environments
- Limited customization—no ability to save favorite presets or profiles
- One review states: 'Great tool but I wish it could remember my last settings'
Opportunities
- Add dark mode and accessibility improvements for night shooting use cases
- Integrate with camera apps via URL schemes or widget support
- Build a lightweight companion app that saves presets and shares results via image or text
- Add support for calculating exposure times with intervalometers or time-lapse sequences
- Create a free tier with basic features and premium unlock for advanced filters and history
Competitors
- PhotoPills
- ShutterSpeed Calculator
- Light Meter Pro
AI-generated brief · 5/13/2026, 12:58:47 AM
