f/oss vs Light Meter EV

f/oss is a free light meter for film photography, rebuilt from the ground up as a fully native app. Point the spot-metering circle at your subject and read the exposure instantly. f/oss measures true photometric luminance through your iPhone's camera and is calibrated against professional reference meters. FIVE METERING MODES • Aperture Priority: set f-stop and ISO, get your shutter speed • Shutter Priority: set shutter and ISO, get your f-stop • Exposure Value: read the scene's EV directly • Cine: shutter angle and frame rate for filmmakers • Manual: check your chosen settings against the metered scene BUILT FOR REAL CAMERAS • Camera profiles: save your bodies with their actual shutter and bias limits • Full, half or third stop increments • Configurable shutter, aperture, ISO and exposure bias ranges • Reference lock: freeze a reading and measure scene contrast in stops • Exposure lock for recompose workflows ACCURATE • True spot metering of exactly the circle you see • Full-color light analysis: reads saturated LED and neon light correctly • Verified against professional meters from daylight to low light FREE, NO SUBSCRIPTION Every feature is free, forever. If f/oss saves your shots, there is an optional tip jar.

Luxwell is a pocket light meter for iPhone. Measure reflected, incident, and spot EV live from the camera, then set shutter, aperture, and ISO. The meter and Sunny 16 calculator stay free. Point at the scene, the light on your subject, or a single tone. Hold a reading when you have it. Switch the readout between EV, lux, and foot-candles. Built for film and digital photographers who want exposure they can trust in the field. LIVE METER Reflected, incident, and spot modes Tap and pinch the spot reticle. Spot locks exposure so you can compare tones Hold to freeze a reading Shutter, aperture, and ISO in 1/3-stop steps EV, lux, or foot-candles SUNNY 16 Free exposure calculator. Pick ISO for a shutter at f/16, or pick shutter and aperture for a suggested ISO. A fast outdoor starting point, then adjust for haze, backlight, or subject brightness. LUXWELL PRO Optional one-time unlock. Not a subscription. Live metering stays free. Zone system scale on the live meter Manual 0.1-stop calibration, or guided Align to Sunny 16 Shoot log with export Film ISO helper with reciprocity warning Extra camera presets Restore Purchases is in Settings. Luxwell uses the iPhone camera to estimate scene brightness. Results are useful for exposure decisions but are not laboratory-grade and may differ from a calibrated handheld meter. ----------- Privacy Policy: https://luxwell.paprikatech.io/privacy Terms of Use: https://luxwell.paprikatech.io/terms Support: support@paprikatech.io