numa

iPhone, iPad and Mac beta open · Linux today

In every light.

A photo editor that goes where you go. In your pocket at first light, on your knee at noon, at your desk long after dark. The same Numa on every screen, and nothing to subscribe to.

Join the Apple BetaDownload for Linux

iPhone, iPad and Mac: the TestFlight beta is open and free · Linux: free, as a Flatpak or an AppImage

A day, everywhere

Somewhere, it is always the right light.

  1. Aoraki, New Zealand

    Sunrise over the peaks around Aoraki, a small lake in the valley below.

    First light doesn’t wait.

  2. New York

    A subway train rushes into Wall Street station, New York.

    It finds you on the way to work,

  3. Tokyo

    A woman waits on a Tokyo metro platform as a train blurs past.

    between two trains,

  4. Athens

    A woman in sunglasses crosses a sunlit street in Athens, in black and white.

    in the middle of the street,

  5. Karystos, Greece

    The Bourtzi castle above a clear blue harbour at Karystos, Greece.

    on an afternoon with nowhere to be,

  6. Leigh-on-Sea, England

    The sun sets over wet sand and still water at Leigh-on-Sea.

    at the water’s edge,

  7. London

    The City of London lit up at night across the Thames.

    on the walk home,

  8. San Francisco

    A figure under an umbrella on a rainy street in San Francisco, city lights in the wet road.

    and long after dark.

  9. Lofoten, Norway

    Green and violet northern lights over the sea in Lofoten, Norway.

    Wherever it finds you, Numa is there.

Every size

One Numa.
Every screen.

  1. Numa on an iPhone: a snowy mountain mirrored in a lake above the Looks tab, with the camera profile, Camera or AgX tone mapping, a row of looks and the tab bar.

    07:40 · On the way

    In your pocket.

    Look through last night on the train. A look, a little light, done before your stop.

  2. Numa on an iPad: a snowy mountain mirrored in a lake, the Light panel beside it with Contrast and Highlights moved, the tone curve over its histogram, and a filmstrip below.

    14:20 · Between frames

    On your knee.

    Both thumbs rest where the controls are. One chooses Exposure, the other lifts the light a touch.

  3. Numa on a Mac: a tree on a grassy hill under a blue sky in the editor, the Light panel in cards beside it with the tone curve over its histogram, and a filmstrip below.

    23:10 · Mac

    At your desk.

    The same sliders on a big screen, for the photographs that deserve the evening.

6.1″ iPhone13″ iPad27″ MacOne purchase for iPhone, iPad and Mac · Free on Linux

Try it

Go on,
move a slider.

This is Numa’s slider on a real photograph, right here in your browser. Choose a mask and change only the sky. Hold Before to see where you started.

A narrow road runs toward green mountains under a blue sky with white clouds.
With JavaScript on, this is Numa’s editor: its sliders, looks and masks, working on this photograph.The editor needs WebGL 2, which this browser does not offer, so here is the photograph it would open.

The masks here were found by the same models Numa for Linux runs on your computer. Everything you do here happens in your browser.

Culling

Pick the keepers.

Numa measures the sharpness of every frame, groups the bursts and suggests the best one. You still choose: swipe up to keep, down to let go.

One burst, eight framesSharpness, measured

  1. Frame 1 of 8: a runner in the rain at night, out of focus
    122
  2. Frame 2 of 8: a runner in the rain at night, blurred by a pan too quick
    232
  3. Frame 3 of 8: a runner in the rain at night, a little shaken
    353
  4. Frame 4 of 8: a runner in the rain at night, sharpBest of burst
    4100
  5. Frame 5 of 8: a runner in the rain at night, nearly sharp
    570
  6. Frame 6 of 8: a runner in the rain at night, blurred by camera shake
    627
  7. Frame 7 of 8: a runner in the rain at night, far out of focus
    713
  8. Frame 8 of 8: a runner in the rain at night, streaked by the pan
    828

Inside

Simple, and all there.

  1. Masks in one tap

    Sky, subject, person, water, greenery, found on the device. Each mask gets its own light, colour, curve and grade.

  2. Colour you can trust

    Camera and lens profiles for hundreds of bodies and lenses. Looks with a Strength slider, LUTs, and your presets from Lightroom and Capture One.

  3. One wheel to grade

    Shadows, midtones and highlights on one colour wheel, the same on every Numa.

  4. A curve under your finger

    A tone curve for each channel. Tap the line to add a point, drag to move it, drag it out of the box to take it away.

  5. Retouch

    Heal and clone, find the sensor dust, remove what does not belong in the frame.

  6. Straight from the camera

    RAW files in 29 formats from 850 cameras, as well as JPEG and HEIF, with the lens corrections to match.

Yours

Yours to keep.

No account. No subscription. No cloud. Nothing that runs out.

Your photographs stay wherever you keep them: on a card, an external drive or a NAS, in a synced folder like iCloud Drive or OneDrive, or in your Photos library. Numa opens them through your device’s own files, never moves them and has no cloud to send them to. Masks, faces and measurements are worked out on your device.

For the household’s photographs in one place, Numa Home is a photo server on your own NAS: every library in a browser, raws as Numa develops them, Send Home from Numa and libraries synced both ways with it. Free and open source, at github.com/simmmmm/numa-home.

  • Rain1 204 photos · Nov 2025
  • Mountains2 313 photos · Aug 2026
  • Winter640 photos · Feb 2026
  • Coast440 photos · Sep 2025

Public beta

Come along.

The TestFlight beta for iPhone, iPad and Mac is open: try Numa on your own photographs and tell me what you think. Numa for Linux is out now too.

Join the Apple BetaDownload for Linux

iPhone, iPad and Mac: the TestFlight beta is open and free · Linux: free, as a Flatpak or an AppImage

Questions

Good to know.

What is Numa?

Numa is a photo editor for iPhone, iPad, Mac and Linux, made by Tijmen, an independent developer in the Netherlands. It edits RAW files from hundreds of cameras, as well as JPEG and HEIF, with camera and lens profiles, masks, looks and culling tools.

Is Numa private?

Yes. Numa has no account and no tracking, and it never sends your photographs anywhere. Editing, masks, face finding and measurements all run on your device. Your photographs stay wherever you keep them: anywhere your device's own files can reach, such as a folder, an external drive, a NAS or a synced folder like iCloud Drive or OneDrive, or your Photos library. Numa has no cloud connections of its own. If you choose, a library can be kept in step with Numa Home, a server that you run yourself.

Does Numa work on Mac?

Yes, on Macs with Apple silicon and macOS 15 or later. Numa for iPhone, iPad and Mac is one app, bought once for all three.

What does Numa run on?

iPhone and iPad with iOS or iPadOS 26 or later, and Macs with Apple silicon and macOS 15 or later: one app, bought once for all three. On Linux, 64-bit Intel and AMD computers, as a package for Fedora, openSUSE, Debian, Ubuntu or Arch, as a Flatpak, or as an AppImage (glibc 2.35 or newer: Ubuntu 22.04, Debian 12, Fedora 36 and later).

Is Numa free?

Numa for Linux is free and open source: get it as a package from the openSUSE Build Service, or from GitHub as a Flatpak or an AppImage; its source is under the GPL-3.0. Numa for iPhone, iPad and Mac is free during its TestFlight beta, which is open now; afterwards one purchase covers all three.

How does Numa compare to Lightroom?

Lightroom is sold as a subscription with an Adobe account and cloud storage. Numa has no account and uploads nothing: it does its work on your device and opens your photographs wherever you keep them. On Apple devices it is a single purchase, and on Linux it is free. Numa can import presets from Lightroom and Capture One.

Is there a Lightroom alternative with no subscription?

Yes. Numa has no subscription and no account. It is free on Linux. On iPhone, iPad and Mac it is one purchase for all three, after the free TestFlight beta. Numa and Lightroom side by side.

Which RAW photo editor for Mac, iPhone and iPad should I choose?

That depends on how you work. Numa, Lightroom, Capture One, DxO PhotoLab, Affinity, Pixelmator Pro, RAW Power and darktable are compared on a page of their own, with where each one fits better than Numa. RAW photo editors for Apple devices compared.

Is there a darktable alternative for Linux?

Numa for Linux is a free, open-source RAW developer and library. darktable, RawTherapee, ART and RapidRAW are others. darktable has far more modules. Numa is simpler by default, with masks found for you and culling that measures. Photo editors for Linux compared.

Is there a self-hosted Google Photos alternative?

Numa Home is one: a free, open-source photo server for your NAS, in one Docker container, with faces, search in words, shared albums and videos. Immich, PhotoPrism and Synology Photos are others, and Immich has apps for Android as well as iPhone. Photo servers compared.

How does Numa find masks?

Numa uses AI models that run on your device to find the sky, a subject, a person, water or greenery in one tap. You choose which models to download in Add-ons; nothing is sent anywhere.

What is Numa Home?

Numa Home is a free, open-source photo server for the household, in one Docker container on your own NAS or computer. It shows every library in a browser with raws as Numa develops them, people and search in words, and Numa for Linux sends to it and keeps libraries in step with it, both ways. It has no cloud of its own. More about Numa Home.

How do I join the beta?

On Linux, download Numa from GitHub today and try it on your own photographs. For iPhone, iPad and Mac, the TestFlight beta is open: join it at numa.photo/beta.