FAQ
Questions, answered.
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How much does Acetate cost?
Free. There's no IAP, no subscription, no premium tier behind a paywall — every feature on the Features page works out of the box.
Which devices does it run on?
iPhone with iOS 17 or later. Object Removal additionally requires A15 (iPhone 13 Pro / 14 / 15 / 16) or newer for the on-device Core ML inpainting pass.
Does Acetate work offline?
Entirely. There's no account, no cloud, no telemetry, no analytics. Capture, edit, AI, save — every step runs on your phone. The app never makes a network call for anything related to your photos.
Can I shoot RAW?
Yes — Apple ProRAW DNG on every supported iPhone. Acetate writes the sensor's uncompressed data straight to your Photos library, with EXIF preserved.
Can I save my own LUTs?
Yes — this is the headline feature. Edit any photo, hit Save as Filter, and Acetate bakes your colour pipeline (Light, Colour, HSL, Curves, Split Toning, Grading Wheels, the active filter) into a portable .cube LUT. Apply it to other photos, load it in the camera, share it with other apps.
Are saved LUTs available in the camera too?
Yes. Your saved + imported LUTs appear in the camera's MY LUTs section right alongside the built-in PRESETS. Shoot in your own grade.
Can I import LUTs from somewhere else?
Yes. The Filters tab has a 'From Files' button that opens the iOS document picker — you can pull .cube files from iCloud Drive, On My iPhone, Dropbox, Google Drive, anywhere the Files app can see. You can also drop a .cube file into Mail / Messages / AirDrop and tap 'Open in Acetate'.
Can I export a saved LUT to use elsewhere?
Yes. Long-press any user LUT in the editor's MY LUTs strip → Export to Files → save it to iCloud Drive, Desktop, or anywhere the iOS document picker reaches. Use the same .cube in Lightroom, Premiere, DaVinci Resolve, Capture One, or any pro grading tool.
What's the difference between the built-in filters and a normal filter app?
Two things. First, the built-in eight (’70s Warm, ’80s Neon, ’90s Cinema, Golden, Mono, Faded, Moody, Cross) are real 33-cube 3D LUTs — they can express non-linear behaviour like film-specific highlight rolloffs and hue twists, not just a matrix multiply. Second, they're applied last in the same Core Image pipeline that handles your other edits, so the filter sees your fully graded image and behaves consistently with how Lightroom or DaVinci would handle a LUT.
Do you collect any data about me?
No. No analytics SDKs, no crash reporting other than Apple's own privacy-respecting aggregate logs (which you can opt out of in iOS Settings), no IDFA tracking, no account, no email collection. The PrivacyInfo.xcprivacy manifest in the app bundle declares exactly which Apple APIs it uses and why — we ship that with the app so reviewers and curious users can audit it.
What about my location data?
If you grant location permission, Acetate embeds GPS coordinates into the EXIF metadata of photos you take — the same thing the stock Camera app does. The location data never leaves your device. The app only asks for location the first time you take a photo, in context, not at launch.
Where do my saved LUTs live on the phone?
In your app's Documents/Filters/ folder. The Files app can see this folder under 'On My iPhone → Acetate → Filters' — you can browse, rename, share, or back them up like any other document.
Is the Object Removal as good as Apple's Clean Up?
Honestly: not on the very hardest cases (faces, fine hair, large holes in busy backgrounds). For most everyday object-removal tasks — wires, signs, photobombers, blemishes, distracting elements on simple backgrounds — Acetate's on-device LaMa pipeline does a clean job, with smart-crop ROI for local detail and colour-matched seam blending to kill the visible patch. We're evaluating SD-class models for a future v2 upgrade on A17 Pro+ devices.
Is there an Android version?
Not currently. Acetate is built on Core Image and Vision and Core ML — the iOS frameworks that make the pipeline fast — so it's iPhone-only by design.
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