# myLightMeter PRO vs KeyLight PRO

The clearest difference is review sentiment: myLightMeter PRO at 90% against KeyLight PRO's 44%. myLightMeter PRO also leads on rating (4.8 vs 4.0) and update cadence (every 5 days vs every 26 months). KeyLight PRO's advantage is price ($0.99 vs $4.99) and iOS requirement (10.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

myLightMeter PRO costs $4.99 and KeyLight PRO $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

myLightMeter PRO holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: myLightMeter PRO has 1.1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 90% of myLightMeter PRO's written reviews are positive against 44% of KeyLight PRO's.

myLightMeter PRO ships an update every 5 days, KeyLight PRO every 26 months. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | myLightMeter PRO | KeyLight PRO |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/mylightmeter-pro/id583922375/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/keylight-pro/id635455188/reviews) |
| Number of ratings | **1.1K** | 4 |
| Positive reviews | **90.2% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 26 months |
| Monetization | Paid | Paid |
| Best chart rank | **#10** | — |
| Size | 53 MB | 3 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Quiles](https://appshunter.io/developer/578971109) | [Daniel Brewer](https://appshunter.io/developer/635455211) |

## What reviewers say

### myLightMeter PRO

[App page](https://appshunter.io/ios/app/mylightmeter-pro/id583922375)

**Currently charting:** #10 Top Paid · Photo & Video (US App Store)

This app provides precise exposure metering for photographers, supporting both digital and analog workflows. It offers a comprehensive set of manual controls and advanced tools like a hyperfocal distance calculator.

**Highlights:** Extended low-light sensitivity, Incident and reflected metering, Manual exposure control, Hyperfocal distance calculator, Save and review exposure data, Extract exposure data from photos

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate and reliable
- 👍 Convenient and easy to use
- 🔍 Useful for vintage/manual cameras
- 💡 Helpful for learning photography
- ⭐ Excellent value for money

**What reviewers complain about**

- 🐛 Crashes and bugs in recent versions
- 🔍 Spot metering mode not precise enough
- 🔧 Needs more customization options
- 🔋 Volume control issues

**Reported bugs**

- Crashes on startup
- Inconsistent behavior between free and pro versions
- Incorrect shutter speed and aperture options for some cameras

**Requested features**

- Ability to lock shutter speed and aperture
- Smaller spot metering area
- Support for more film/sensor formats
- Improved incident metering with diffuser


### 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


## Frequently asked questions

### Is myLightMeter PRO free?

myLightMeter PRO costs $4.99, with no in-app purchases.

### Is KeyLight PRO free?

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

### Which has better reviews, myLightMeter PRO or KeyLight PRO?

myLightMeter PRO is rated higher. myLightMeter PRO averages 4.8 out of 5 from 1.1K ratings, while KeyLight PRO averages 4.0 from 4 ratings.

### Do myLightMeter PRO or KeyLight PRO have ads?

Neither myLightMeter PRO nor KeyLight PRO shows ads.

### Which is updated more often, myLightMeter PRO or KeyLight PRO?

myLightMeter PRO ships an update every 5 days, and KeyLight PRO every 26 months. Most recently, myLightMeter PRO was updated on September 27, 2026 and KeyLight PRO on September 23, 2026.

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