Comparison

myLightMeter PRO vs Manual Flash Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

myLightMeter PRO

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
Read full description

Designed by a photographer, for photographers. Built for reliable, precise exposure measurement across film and digital workflows. myLightMeter PRO gives you full control over exposure through a clean, professional set of tools. Key Features • Incident and reflected-light metering • Classic and Pro interface styles • Full manual control over aperture, shutter speed, ISO, and exposure compensation in 1/3- or 1/2-stop increments • Exposure range from 4 hours in Long Exposure mode to 1/8000 s, f/1.0 to f/512, and ISO 0.8 to 409,600 • Aperture-priority (Av) and shutter-priority (Tv) modes • Automatic ISO adjustment or ISO lock • Reciprocity correction for long film exposures • Sensitivity down to −2.5 EV, ideal for low-light scenes • Average multiple readings • Import shutter speed, aperture, and ISO from photos in your library • Organize readings into Sessions with photos, exposure data, camera and lens details, and notes • Keep your Sessions synced through iCloud, so they remain available when you switch phones or use another device • Export Sessions as PDFs or print them Advanced Tools • Hyperfocal-distance calculator • Five configurable presets, each storing camera, lens, ISO, filter, and film settings • EV display with an analog scale or numerical reading • mySPOTMETER and f/Tools integration About This app is built and maintained by an independent photographer and developer. It is the tool I personally use and continuously refine. If you have suggestions or need support, contact me at: davidquiles@me.com

About

Manual Flash Calculator

This app assists photographers by calculating camera and flash settings for manual flash photography. It allows users to create gear lists and kits, and then use this information to determine the fourth parameter (like flash power) when any three of the four relevant settings are known.

Highlights
  • Manual flash photography calculator
  • Configure camera and flash settings
  • Calculate missing parameter from three inputs
  • Create and manage gear lists
  • Organize gear into custom kits
  • Persistent local data storage
Features
Read full description

Get the Manual Flash Calculator to help configure your camera and flash setting when doing manual flash photography. Based on the flash and camera you use, setting any 3 of the 4 relevant parameters the fourth can be calculated. E.g. calculate the required flash power based on your ISO, F-Stop, subject distance and used flash specifications. The app support creating a list of the gear you use and combine them in a kit. You can add as much gear as you like and create as many kits to your use cases. Further to that you can add a flash calculator to a kit. And you can add as many calculators as you want. All data is saved persistently and remains available between sessions. What is included: * Gear List. Make an inventory of your gear. This gear list will provide you with a structured overview of the equipment you have in use. * Kit List. A kit can be seen as a collection of gear you target to use in specific cases. I.e. like for a kit dedicated to street photography, a kit dedicated to nature photography etc. Just create what suits you and add the relevant gear. * Flash Calculator. Based from your kit a calculator can be added that will use the gear part of the equipment to feed the relevant parameters input to the flash calculator. * Data is maintained in local database and will persist over several sessions. Add data once and just use it as you see fit. * Can be used on iPhone, iPad and Mac. It optimizes the use of the available canvas for each * A detailed release note, with what is new, changed, updated etc., is included in the app

Screenshots

myLightMeter PRO4 screens
Manual Flash Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: myLightMeter PRO at 90% against Manual Flash Calculator's 0%. myLightMeter PRO also leads on update cadence (every 5 days vs every 11 days) and chart position (#16 vs unranked). Manual Flash Calculator's advantage is price ($2.99 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

myLightMeter PRO costs $4.99 and Manual Flash Calculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

myLightMeter PRO ships an update every 5 days, Manual Flash Calculator every 11 days. The most recent releases landed on September 24, 2026 and September 12, 2026 respectively.

Scorecard5 real differences · 6 level
myLightMeter PRO versus Manual Flash Calculator: the parameters behind the verdict, then further details
ParametermyLightMeter PROManual Flash Calculator
Price$4.99$2.99 — better
Rating4.8 (1.1K ratings) — better—
Positive reviews90.2% of reviews — better0.0% of reviews
Number of ratings1.1K — better—
Update frequencyEvery 5 days — betterEvery 11 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#16 — better—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.1
Further details — not scored
Size53 MB2 MB
Age rating4+4+
DeveloperDavid QuilesWinterink

Customer experience

myLightMeter PRO

All ratings1,125 ratings
Positive95.9%
Neutral1.4%
Negative2.7%
Written reviews654 reviews
Positive90.2%
Neutral2.4%
Negative7.3%

Manual Flash Calculator

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

myLightMeter PRO

Reported bugs

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

Requested features

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

Manual Flash Calculator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

myLightMeter PRO

No in-app purchases

None

Manual Flash Calculator

No in-app purchases

Questions

Is myLightMeter PRO free?
myLightMeter PRO costs $4.99, with no in-app purchases.
Is Manual Flash Calculator free?
Manual Flash Calculator costs $2.99, with no in-app purchases.
Do myLightMeter PRO or Manual Flash Calculator have ads?
Neither myLightMeter PRO nor Manual Flash Calculator shows ads.
Which is updated more often, myLightMeter PRO or Manual Flash Calculator?
myLightMeter PRO ships an update every 5 days, and Manual Flash Calculator every 11 days. Most recently, myLightMeter PRO was updated on September 24, 2026 and Manual Flash Calculator on September 12, 2026.

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