# KeyLight PRO vs Flash Photography Adviser

The clearest difference is review sentiment: KeyLight PRO at 44% against Flash Photography Adviser's 0%. KeyLight PRO also leads on iOS requirement (10.0 vs 17.0). Flash Photography Adviser's advantage is rating (5.0 vs 4.0) and update cadence (every 7 months vs every 26 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

KeyLight PRO costs $0.99 and Flash Photography Adviser $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flash Photography Adviser holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 44% of KeyLight PRO's written reviews are positive against 0% of Flash Photography Adviser's, so the app with the better star average is not the one people write more warmly about.

KeyLight PRO ships an update every 26 months, Flash Photography Adviser every 7 months. The most recent releases landed on November 10, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | KeyLight PRO | Flash Photography Adviser |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/keylight-pro/id635455188/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flash-photography-adviser/id1354932744/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | **44.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 7 months** |
| Monetization | Paid | Paid |
| Size | 3 MB | 1 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Brewer](https://appshunter.io/developer/635455211) | [Rob Duell PhD](https://appshunter.io/developer/1458271389) |

## What reviewers say

### KeyLight PRO

[App page](https://appshunter.io/ios/app/keylight-pro/id635455188)

This app simplifies off-camera flash photography by providing calculators for optimal exposure settings. It helps photographers determine ISO, aperture, strobe power, and distance, removing guesswork for both beginners and advanced users. Manage multiple lighting setups and modifiers with its virtual gear bag.

**Highlights:** Exposure calculators (ISO, aperture, strobe power, distance), Key Falloff calculator, Virtual Gear Bag for unlimited strobe configurations, Strobe Library with 100+ pre-loaded models, Support for various light modifiers, Save multiple setups

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Flash Photography Adviser

[App page](https://appshunter.io/ios/app/flash-photography-adviser/id1354932744)

This app helps photographers find optimal flash and camera settings for balanced exposures. It calculates settings like flash coverage, output, distance, ISO, and aperture based on the guide number rule. Users can define and store their own flashguns for personalized recommendations.

**Highlights:** Proposes balanced flash and camera settings, Supports adjusting flash coverage, output, and distance, Calculates camera ISO and aperture, Assists in finding exposure equilibria, Allows defining and storing custom flashguns, Can be used as a training device for settings

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KeyLight PRO free?

KeyLight PRO costs $0.99, with no in-app purchases.

### Is Flash Photography Adviser free?

Flash Photography Adviser costs $0.99, with no in-app purchases.

### Which has better reviews, KeyLight PRO or Flash Photography Adviser?

Flash Photography Adviser is rated higher. KeyLight PRO averages 4.0 out of 5 from 4 ratings, while Flash Photography Adviser averages 5.0 from 2 ratings.

### Do KeyLight PRO or Flash Photography Adviser have ads?

Neither KeyLight PRO nor Flash Photography Adviser shows ads.

### Which is updated more often, KeyLight PRO or Flash Photography Adviser?

KeyLight PRO ships an update every 26 months, and Flash Photography Adviser every 7 months. Most recently, KeyLight PRO was updated on November 10, 2026 and Flash Photography Adviser on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*