--- title: "Flash Photography Adviser — App Overview" url: https://marlvel.ai/apps/flash-photography-adviser category: Photo & Video developer: Rob Duell PhD platforms: ios rating: 5.0 (2 ratings) pricing: paid report_level: overview generated: 2026-05-04 last_verified: "2026-05-04T08:56:13.669Z" --- > **Key Insight:** This app serves as a technical calculator for photographers to manage flash exposure variables based on the guide number rule. | Metric | Value | |--------|-------| | Category | Photo & Video | | Rating | 5.0 ★ (2) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 2.0 | | Developer | Rob Duell PhD | ## What is Flash Photography Adviser? Flash Photography Adviser is a utility tool that calculates balanced exposure settings for flash photography based on the guide number rule. It assists photographers in determining optimal configurations for flash output, zoom, and camera settings without the need for a light meter. ## Key Features - **Exposure Equilibrium Calculation**: Automatically proposes balanced settings for flash power, zoom, distance, ISO, and aperture to achieve correct exposure. - **Guide Number Rule Integration**: Utilizes the guide number rule to estimate required flash exposure values without requiring a physical light meter. - **Dynamic Setting Adjustment**: Supports iterative changes to flash and camera settings to maintain exposure equilibrium when one variable is modified. ## Who is it for? Photographers looking to calculate precise flash exposure settings for complex lighting conditions. ## Links - [App Store](https://apps.apple.com/us/app/flash-photography-adviser/id1354932744?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/flash-photography-adviser) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/flash-photography-adviser).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*