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Photography · head to head

ACDSee vs RawTherapee

ACDSee logo

ACDSee

Photography

Photo cataloguing and RAW editing sold as a perpetual licence or as an ACDSee 365 subscription

From
On request
Rated
-
Full reviewWebsite
RawTherapee logo

RawTherapee

Photography

Open source raw developer with selectable demosaicing algorithms and floating point processing

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only RawTherapee has a free tier, so it costs nothing to try first.
  • Each has a real cost: ACDSee aCDSee is Windows-only, so it is not an option at all for Mac-based photographers, unlike Lightroom, Capture One or Pixelmator Pro.; RawTherapee there is no catalogue, only a folder browser, so any library management, keywording or search has to happen in a separate application.
  • They diverge on capability: ACDSee covers Digital asset management, RawTherapee covers Selectable demosaicing.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which ACDSee and RawTherapee actually diverge.

Attributes where ACDSee and RawTherapee differ
AttributeACDSeeRawTherapee
Starting priceOn requestFree
Pricing modelOne-time purchase or per-user subscriptionOpen source, no licence fee
Free tierNoYes
PlatformsWindowsLinux, Windows, macOS

Identical on both: user rating (Not yet rated), category (Photography).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ACDSee

  • Digital asset management
  • RAW processing
  • AI editing tools
  • Perpetual or subscription licensing
  • Facial recognition
  • Mobile and cloud sync

Only in RawTherapee

  • Selectable demosaicing
  • Floating point pipeline
  • Local adjustments
  • Wavelet levels
  • Processing profiles
  • Colour management

What people use each for

The jobs each tool is most often brought in to do.

ACDSee

  • A Windows photographer who wants to own the software outright rather than pay indefinitelynot RawTherapee
  • A hobbyist with a large existing photo library who wants cataloguing and basic RAW editing without Lightroom cloud storagenot RawTherapee
  • Someone leaving Adobe Lightroom specifically to avoid a subscription, willing to accept a smaller editing toolsetnot RawTherapee
  • A photographer who wants AI masking and noise reduction without committing to Skylum or Topaz subscriptionsnot RawTherapee

RawTherapee

  • Difficult raw files where the demosaicing algorithm visibly changes the result, such as fine fabric, foliage or architectural detailnot ACDSee
  • Archive and restoration work where a free tool with strict colour management is preferable to a subscriptionnot ACDSee
  • Photographers who want to understand and control each processing stage rather than accept a vendor renderingnot ACDSee
  • Producing a high quality sixteen bit TIFF to hand to GIMP or another editor for compositingnot ACDSee

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ACDSee

  • ACDSee is Windows-only, so it is not an option at all for Mac-based photographers, unlike Lightroom, Capture One or Pixelmator Pro.
  • A perpetual licence stops receiving new camera RAW profiles and AI feature updates after roughly a year, so a photographer who buys a new camera two years later may need to update or wait for third-party RAW support.
  • Its AI tools and masking are noticeably less refined than Lightroom, Luminar Neo or Topaz Photo AI in side-by-side tests, so buyers switching purely for editing quality are often disappointed.
  • The catalogue and browsing performance degrades on very large libraries compared with Lightroom Classic, according to long-time users managing tens of thousands of images.
  • Support and update cadence are slower than Adobe, with fewer third-party plugins and a smaller ecosystem of tutorials and presets.

RawTherapee

  • There is no catalogue, only a folder browser, so any library management, keywording or search has to happen in a separate application.
  • The default rendering is deliberately neutral and looks flat next to the camera JPEG, which means every user has to build their own processing profiles before the tool is pleasant to use.
  • Support for new camera models and for Fujifilm X-Trans sensors arrives later than in commercial converters because it depends on volunteer work and upstream library updates.
  • The interface presents several hundred controls across many tabs with little guidance about which ones interact, and the learning curve is measured in weeks rather than hours.
  • Batch export is slow compared with commercial converters and there is no GPU acceleration, so processing a large wedding shoot ties up the machine for a long time.

Pricing, plan by plan

ACDSee

On request
  • Photo Studio Ultimate (perpetual)$149.95/one-time
    • One-time purchase, no subscription required
    • About a year of included updates
    • New camera RAW support stops after that unless you upgrade
  • ACDSee 365 Home$8.9/month
    • Always the current version
    • AI credits and cloud storage bundled
    • Billed monthly or 89 USD annually

RawTherapee

Free
  • RawTherapeeFree
    • GPL licensed with no seat limit
    • All processing features included
    • Documentation and support through RawPedia and the community forum

Which should you pick?

Choose ACDSee if

  • You need digital asset management.
  • You work on Windows.
  • You also want raw processing.
ACDSee review

Choose RawTherapee if

  • You need selectable demosaicing.
  • You want to start without paying.
  • You work on Linux, Windows, macOS.
  • You also want floating point pipeline.
RawTherapee review

Questions people ask

Is ACDSee or RawTherapee better?
Neither clearly leads. ACDSee starts at On request and RawTherapee at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ACDSee or RawTherapee?
RawTherapee has a free tier; the other does not. Paid plans start at On request for ACDSee and Free for RawTherapee.
Does ACDSee or RawTherapee run on more platforms?
ACDSee runs on Windows. RawTherapee runs on Linux, Windows, macOS.
Can I use RawTherapee for free?
Yes. RawTherapee has a free tier, so you can try it without paying. ACDSee starts at On request.
What is ACDSee best used for?
ACDSee is most often used for a windows photographer who wants to own the software outright rather than pay indefinitely, a hobbyist with a large existing photo library who wants cataloguing and basic raw editing without lightroom cloud storage, someone leaving adobe lightroom specifically to avoid a subscription, willing to accept a smaller editing toolset, a photographer who wants ai masking and noise reduction without committing to skylum or topaz subscriptions. Of those, a windows photographer who wants to own the software outright rather than pay indefinitely and a hobbyist with a large existing photo library who wants cataloguing and basic raw editing without lightroom cloud storage are not what RawTherapee is typically brought in for.
What can ACDSee do that RawTherapee cannot?
ACDSee covers Digital asset management, RAW processing, AI editing tools, Perpetual or subscription licensing. RawTherapee covers Selectable demosaicing, Floating point pipeline, Local adjustments, Wavelet levels.

Answered from the vendors’ own pages

ACDSee: Do I still get new camera support if I buy the perpetual licence?

Only for about a year after purchase; after that, new RAW formats and AI features require buying the next version or moving to ACDSee 365.

RawTherapee: Does RawTherapee support Fujifilm X-Trans files?

Yes, but support arrived later than in commercial converters and results on fine detail still trail Capture One and Adobe on some bodies.

ACDSee: Is ACDSee available on Mac?

No, Photo Studio is Windows-only.

RawTherapee: Can it replace Lightroom entirely?

It replaces the develop side. It does not replace the catalogue, so you will need digiKam, darktable or something similar alongside it.

ACDSee: Is ACDSee 365 the same software as the perpetual version?

It runs the same core application but stays on the current release and adds AI credits and cloud storage that the perpetual licence does not include.

RawTherapee: Are my edits stored in the raw file?

No. Edits are written to sidecar profile files next to the raw, so originals are untouched and profiles can be copied between images.

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