Grainium

Grainium is the analog ecosystem — six precision tools, a community of working film photographers, an AI built for film, and a worldwide directory of labs and camera shops, all in one app. CAPTURE & MEASURE - Light Meter — incident and reflective metering with film-specific reciprocity correction - Colour Temp — Kelvin readings calibrated for daylight and tungsten stocks - Zone Reference — Train your eye to estimate subject distance for sharper zone focusing DEVELOP & PROCESS - Dev Timer — push/pull-aware multi-bath timers with haptic step alerts - Safe Light — true-red darkroom mode, coin-test calibrated - Negative View — instant in-camera positive preview for inversion DISCOVER & SHARE - A worldwide directory of film labs, repair shops, and analogue camera stores — find what's near you, find what's worth a flight - A community gallery to publish your work, follow photographers who inspire you, and find your next favourite film - Photo walks, meet-ups, gallery openings, expos — find local events or host your own - A blog of field notes, gear reviews, and darkroom guides from the community GRAINIUM ASSIST — AI BUILT FOR FILM Ask anything: identify a roll from a half-remembered design, plan an exposure for an unfamiliar stock, get a starting recipe for a push to 3200. Grainium Assist is trained on the language of film photographers, not generic photo metadata. WHY FILM PHOTOGRAPHERS LOVE GRAINIUM Six precision tools that fit in your pocket. A community that actually shoots film. AI that knows film and development. And a directory of every lab worth knowing. GRAINIUM PRO Unlock the full toolkit, AI Assist, event creation, and an ad-free experience. - Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. - Manage or cancel any time from Settings → Apple ID → Subscriptions. PRIVACY & TERMS We don't sell your data. We don't track you across other apps. Our privacy policy and terms are at https://grainium.tech/privacy and https://grainium.tech/terms. SUPPORT https://www.grainium.tech/support Built for photographers, by photographers.