ExiFilm vs Lume
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
ExiFilm
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ExiFilm records the missing Exif data for film photography. Designed for film photographers, this app helps you track, organize, and enhance your photography experience. Main features: - Reference Photos: Take digital reference shots with your phone to remember each frame you capture on film. - Location Tracking: Automatically record where you took each photo for later geotagging. - Photography Notes: Document camera settings, creative ideas, and shooting conditions for each frame. - Metadata Management: After developing and scanning your film, import your photos and ExiFilm will help you apply all your metadata as Exif. - Equipment Library: Maintain a detailed catalog of your cameras and lenses.
Lume
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Lume is a professional light meter for film photography and cinema. Meter the light with a spot you drag across the scene, lock the reading, then compose the shutter-aperture pair on click-stop wheels, the way a real meter works. PHOTO MODE ⢠Spot reading with a reticle you drag across the scene ⢠Aperture or shutter priority, third-of-a-stop scales ⢠Exposure compensation ±3 EV and ND filters up to ND1000 ⢠24 film stocks with reciprocity failure correction FLASH ⢠Work out the exposure for a shot with flash: guide number, the power the flash is set to (1/1, 1/2, 1/4ā¦) and the distance ⢠Flash and ambient light are added together, the way they add on film ⢠See how much of the exposure comes from the flash, with a warning past sync speed ⢠On models with LiDAR the subject distance is measured where you aim the reticle CINE MODE ⢠Frame rate and shutter angle ⢠Aperture in tenths of a stop, as used on set LOGBOOK ⢠Save every reading with a photo, the data burned in and the metered area marked ⢠Find your shots in a grid or on a map ⢠Share, or save to your camera roll Metering uses the camera's real metadata together with pixel analysis, continuously calibrated against the sensor. Interface in English and Italian.
Screenshots
Verdict
The clearest difference is update cadence: Lume at every 2 days against ExiFilm's every 3 months. Lume also leads on iOS requirement (18.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ExiFilm ships an update every 3 months, Lume every 2 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.
| Parameter | ExiFilm | Lume |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 days ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 18.0 ā better |
| Further details ā not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Sicheng Chen | Milo Zoppini |
In-app purchases
ExiFilm
No in-app purchases
Lume
No in-app purchases









