Test the shutter speeds of your analog cameras using your iPhone. For precise measurements, use with the PhotoPlug accessory. Without it, the app analyzes shutter sound for speeds below 1/30sec.
What We Love
- π Accurate shutter speed testing
- π‘ Useful for vintage cameras
- π Works with Photo Plug accessory
- π Simple and easy to use
- π Good for leaf shutters
- π Practical and useful tool
- π Great for testing mechanical lenses
- π Accurate readings
- π No longer guessing exposures
- π Works well with older iPhones
- π Brilliant app for exposure accuracy
- π Ingenious app for shutter testing
- π Good for slower shutter speeds
- π Works with older iOS versions
- π Convenient portable testing system
- π Top update with manual adjustments
- π Much better with auto-detection
- π New design more accurate
- π Works with Photo Plug
- π Great app for shutter estimation
- π Useful for lens testing
- π Works as advertised
- π Brilliant app with light sensor
Room to Improve
- π Inaccurate for longer speeds
- π Interface less intuitive
- π Crippled by updates
- π Not reliable with newer iPhones
- π Sensor not attachable on modern iPhones
- π Buggy version 2.0
- π Less reliable than old version
- π Zooming waveform inconsistent
- π Does not record speeds > 1/2 sec
- π Nonsense values for 1 sec
- π Dismissive developer response
- π Photo plug doesn't work
- π No signal from Photo Plug
- π Useless without plug
- π App doesn't recognize Photo Plug
- π Inconvenient with floppy cable
- π Difficult with focal plain shutters
- π Expensive gadget is garbage
- π Not usable without plug
- π Crude interface
- π Graph resolution too low
- π Old design, not updated
- π Nothing works
- π Inaccurate readings
- π Difficult to use
- π Difficult to zoom waveform
- π Inaccurate for speeds < 1/60
- π Auto-gaining causes jagged lines
- π Incompatible with iPhone 6
- π Useless on iPhone 6
- π Screen controls don't work on iPhone 6
- π System crashes
- π Failed execution
- π Interface not working correctly on 3GS
- π Difficult to isolate shutter sound
- π Missing 1/1000 sec measurement
- π Crashes when saving waveform
- π Awful, waste of money
- π Lacks flexibility in shutter speeds
- π Not operational
- π Difficult to test speeds > 1/125
- π Measurement of amount off is confusing
- π Difficult to get precise measurement > 1/125
























