Reciprocity Timer apk

Reciprocity Timer for Android


- REQUIRES ANDROID | Published by Pump Interactive on 2023-10-31   | Category: Photo & Video

Rating 3 from 2 Votes | $ $1.99



About Reciprocity Timer

Reciprocity Timer is a Photo & Video app by Pump Interactive. Manage your film photography from start to finish!  Initial purchase allows you to calculate reciprocity for all the films included by selecting an observed exposure time. This non-pro version is suitable for people who just need to calculate an exposure that includes reciprocity adjustments for their selected film.

  • is Reciprocity Timer free? Reciprocity Timer costs $1.99


  • Reciprocity Timer Screenshots

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    Download and install APK on Android


    How to setup Reciprocity Timer APK:

    APK (Android Package Kit) files are the raw files of an Android app. Learn how to install reciprocity-timer.apk file on your phone in 4 Simple Steps:

    1. Download the reciprocity-timer.apk to your device using any of the download mirrors.
    2. Allow 3rd Party (non playstore) apps on your device: Go to Menu » Settings » Security » . Click "Unknown Sources". You will be prompted to allow your browser or file manager to install APKs.
    3. Locate the reciprocity-timer.apk file and click to Install: Read all on-screen prompts and click "Yes" or "No" accordingly.
    4. After installation, the Reciprocity Timer app will appear on the home screen of your device.

    Is Reciprocity Timer APK Safe?

    Yes. We provide some of the safest Apk download mirrors for getting the Reciprocity Timer apk.



    Reciprocity Timer v3.8 APK Download Mirrors



    Whats new in v3.8


    • Release date: 2023-10-31
    • Current version: 3.8
    • File size: 16.81 MB
    • Developer: Pump Interactive
    • Compatibility: Requires iOS 8.0 or later. or Android KitKat 4.4, Lollipop 5.0, Marshmallow 6.0, Nougat 7.0, Oreo 8.0, Android Pie 9.0, Quince Tart 10, Red velvet cake 11, Snow cone 12 or later versions


    11 things about Reciprocity Timer


    1. This non-pro version is suitable for people who just need to calculate an exposure that includes reciprocity adjustments for their selected film.

    2. Initial purchase allows you to calculate reciprocity for all the films included by selecting an observed exposure time.

    3. Select a film type and metered exposure time - the calculator will provide a reciprocity compensated exposure time.

    4. There is no need to upgrade if you just want to calculate and time reciprocity for a particular film and you always use the same camera.

    5. The app includes in-app purchase to unlock pro features including a note-keeping feature, the ability to add custom films and the ability to select often used film stock as favorites.

    6. The app supports a wide range of film stocks and allows the user to add various common exposure filters such as NDs and Polarizers.

    7. You may need to setup Reciprocity Timer in Settings -> Notification Center to ensure the app's timer can notify you when exposures are ending and your device is asleep.

    8. Ensure your watch and phone are paired an unlocked and scroll down the list of available apps to Reciprocity Timer.

    9. The app includes an exposure timer so you can time your long exposures.

    10. This will unlock all the additional features of the Note and Camera database as well as custom films and filters.

    11. A comprehensive film reciprocity calculator for photographers.


    Apk Mirror 1: : Download APK



    Reciprocity Timer Reviews


    • Was good, not so much now

      Keeps crashing or deleting custom settings. Tried contacting developer and got no response. UPDATE: app is working great now after a conversation with the developer. Sent him screen recordings and data to help him figure it out. App update was done in a few hours, approved by Google and downloaded to my phone a couple hours later. It’s already helped me. Cheers.

      ~ By BillPutnamPhoto

    • Good idea.. bad implementation

      Have you guys actually used this app? Or did you just chuck it onto the App Store without even testing it?? Because that’s what it seems like for sure. I have yet to use a feature that doesn’t have bugs; if it even works at all. Did you notice the keyboard won’t minimize unless you have a particular text box in focus? Or that you have to select each film holder you create as you add them else the entire list will peace out into another dimension when you do select one? I could go on for an hour but I’m not your beta tester.. I’m unfortunately your customer. You need to take a serious look at your process.

      ~ By Mischievous Mr C

    • Film Holder Glitchy

      App closes when choosing a custom film holder with Pro version. Reinstalled app and still doesn’t work. I tried contacting developer, but I don’t Facebook. Otherwise, app is very helpful.

      ~ By Larry-710

    • Do not buy this app

      It will not boot up. Tried rebooting the phone and no help. I can’t even review this app. It does not work.

      ~ By S4Steve Ducati

    • 100% inaccurate

      Awesome idea but is totally wrong. Being able to compound multiple filters, bellows, compensation and reciprocity is fantastic. Except the reciprocity calculations for FP4+ is totally wrong. Even simple calculations do not match up with published data. I tried to contact the developer with an example discrepancy and questions and they never responded. I won’t continue using the app because I can’t rely on it.

      ~ By atstockland


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