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Film reciprocity calculator · iPhone

FilmRecip

Film reciprocity calculator

See the real exposure time before you open the shutter. Meter a long exposure and pick your film — FilmRecip shows the reciprocity-corrected time and how much to add, using each manufacturer's own published correction model.

FilmRecip for iPhone — home screen FilmRecip for iPhone — logging FilmRecip for iPhone — insights and reports

What you can track

Pricing, plainly

Free — the whole logbook

Catalog unlimited stones and blades and log unlimited sharpening sessions. No account, no trial clock.

Lifetime — $7.99, once

One purchase unlocks Blade Card sharing and CSV export, forever. No subscription and no renewal.

Private by design

Everything you record stays on your device. FilmRecip never uploads what you record, and never shares or sells your data. No account needed — delete the app and your entries are gone. Anything the app does send (some apps report anonymous usage counts, with no identifiers) is listed plainly in its privacy policy.

Questions

Is FilmRecip free?

Cataloging stones and blades and logging sessions are free, with no account and no trial clock. A one-time $7.99 Lifetime unlock adds Blade Card sharing and CSV export — there is no subscription and no renewal.

Where is my data stored?

On your iPhone. FilmRecip never uploads what you record, and never shares or sells your data — there is no account and no cloud backend. Some apps send anonymous usage counts (no identifiers) so we can see which features get used; each app's privacy policy spells out exactly what, if anything, is sent.

Does FilmRecip require an account?

No. You can start logging the moment the app opens — there is no sign-up, no email, and nothing to create.

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