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This post was most recently updated on January 21st, 2024.

Armed with just your iPhone, you’re about to dig deep into some cool iPhone light meters and light meter apps that will transform your phone into the ultimate light measuring device.

Let’s get started!

Editor’s PickBrand
BestLumu Power Light & Color Meter
Runner UpLumu Power 2
Best CheapLuxi for All
Best iPhone Color MeterLumu Power Light & Color Meter


Editor’s PickBrand
Best Light Meter AppCine Meter II
Runner Up Best AppPocket Light Meter
Best Cheap Light Meter AppmyLightMeter PRO
Best Free Light Meter app for iPhoneLux Light Meter Pro

Best iPhone Light Meter: Lumu Power Light & Color Meter

One of the trickiest things that photographers come up against is nailing that light balance every time.

That is why you need a great light meter. The Lumu Power Light and Color Meter is the best one around.

What makes it the best I hear you ask…

Simply plug it straight into your iPhone and with their app you can get the perfect ambient exposure, flash levels and color temperature every time. You will never second guess yourself on your lighting choices again.

The app is super intuitive too. Even if you’re new to using a light meter, you don’t need to worry about getting lost in menus. It’s so simple that the chances are, you won’t even need to read the manual.

It’s even powered off your iOS devices charging port. No batteries required! So you can use it anywhere, anytime.

The Lumu allows you to focus on the important things… getting great images!

Key Features of the Lumu Power Light & Color Meter

  • Easy to use
  • Very intuitive app
  • Get perfect exposure every time

Runner Up Best: Lumu Power 2

For anyone who shoots photos of videos on the move, especially outdoors, it can be tricky to carry all your usual gear around.

Imagine being able to carry a tiny device in your pocket that would allow you to make all your lighting and exposure choices without second guessing.. It’s your lucky day.

The Lumu Power 2 is designed with this in mind. Simply plug it into an iOS device (Where it draws all it’s power) and it will give you accurate readouts for ambient exposure, color temperatures, illuminance and more.

It’s so easy to use, even if you’ve never used a light meter before, you’ll be ready to go with this in seconds.

Key Features of the Lumu Power 2

  • Easy to setup anywhere
  • Comes with leather carry case
  • Self powered – no batteries required

Best Cheap iPhone Light Meter: Luxi for All

Luxi For All is seriously cool. This is the best cheap light meter you can get your hands on and it offers so many cool features.

Clip it right onto your iPhone’s front facing camera and pair it with the Luxi app and you’ve got yourself a professional light meter AND change from 20 bucks. It’s not hard to see why this is the best cheap light meter on the market.

The Luxi app is so easy to use. It doesn’t matter if you’re a pro or a first timer, you will figure it out in just a few minutes.

Even though it has its own app, it can also be paired with Pocket Light Meter or Cine Meter II for even more flexibility. Cine Meter II is especially useful for videographers on the move.

Oh, and the company that makes these give 100% of the profits to charity so not only are you killing it with your photos and videos, but you’re giving some love back to the world too.

Key Features of the Luxi For All

  • Simple to set up
  • Works with iOS devices
  • 100% of profits go to charity

Best iPhone Color Meter: Lumu Power Light & Color Meter

Getting your color balance right is essential for your photos to look natural. This can be tricky when you work in different locations. Different lighting setups and environments can really affect how your colors pop.

Your troubles are soon to be over.

Lumu has created the best iPhone Color Meter around. It will give you accurate color temperature readings wherever you are, allowing you to make those all important creative judgements to create amazing images.

You will never need to worry about your color temperature being off again.

With the Lumu Color Meter you simply plug it into your iOS device and you’ll be taking accurate readings in seconds.

Key Features of the Lumu Power Light and Color Meter

  • Portable and lightweight
  • Plugs into any iOS device
  • Accurate color temperature readings


Most light meters and color meters will come with some sort of bundled app or software, but what if you want to step out of that box and dig into some cool third party products?

There are plenty out there that will deliver the results you demand.

Best Light Meter App for iPhone: Cine Meter II

The best light meter app, hands down, is Cine Meter II. If you plan to buy a Luxi or a Lumu light meter, Cine Meter is the perfect accompaniment. This app allows you to measure everything from color temperature to exposure levels and it reports back with astonishing accuracy.

Runner Up Best Light Meter App for iPhone: Pocket Light Meter

If Cine Meter doesn’t do it for you then you’ll love Pocket Light Meter. It sits in a slightly lower price bracket but it still hangs with the big dogs. This app combines EV meter function with F Stop and Shutter speed measurements.

Best Cheap Light Meter App for iPhone: myLightMeter PRO

If you’re on a tight budget after buying a light meter then you need to check out myLightMeter PRO. This costs less than a cup of coffee and is easily the best cheap light meter app you can get. Super flexible, lots of data and simple to use.

Best Free Light Meter App for iPhone: Lux Light Meter Pro

If you’re looking for the best free app then you need the Lux Light Meter Pro. The basic version gives accurate real time measurements for a range of data points and you can even upgrade to some paid for pro features if you need to dig deeper.


After reading that list you should be ready to get out there and choose the perfect light meter for all your needs.

As you’ve seen, there are so many cool app and hardware variants that you can use to turn your iOS device into your best friend when shooting on location.
After trying some of these, you will never question your own judgement again.