Good but…
It is absolutely great for its fundamental purpose, calculating reciprocity departure time. There is a list of many many film types, with provision to save a certain number of those his favorites. However, and here is the butt, there appears to be no way to remove a favorite from the favorite list. This is a real bummer.
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Response from developer
Tap on the heart icon to add a film as a favorite, tap again on that icon to remove from the favorite list (like the Music app).
Must have
In the Analog profession
Works, Works, Works!!
Only downside is I wish it added more film options. Like Cinestill 800T. There is no official data for it but through experimentation it can be added. Lomo400 follows the same guideline as Portra 400 but there is no portra 800 for example.
Works great
The app is really helpful to look up reciprocity failures on the go. The design is somewhat old-school but doesn‘t really hurt usability.
Uhhhh...
Nothing shows up on the reciprocity tab rendering this app useless for me even though I just paid for it... Using 13.1.2.
Response from developer
The latest version of Reciprocity Plus (1.11.2) features compatibility with the dark mode of iOS 13.





