Darkroom Formulas vs Reciprocity Plus

Darkroom Formulas contains a database with over 160 chemical formulas from Digitaltruth.com including film developers, print developers, toners, reducers, intensifiers and more. Users can edit existing formulas or add their own favorite recipes. The app contains a powerful Volume Mixer allowing all ingredients to be adjusted proportionally on-the-fly. No more messing around with complex calculations, simply change the final volume and every ingredient changes automatically! Your own saved formulas can be exported and shared by email, or stored externally as a back up. The app includes all the data internally, so there is no need to connect to the internet to use it. Simply download and store in your pocket. Ideal for lab technicians and other darkroom users who need to mix formulas from scratch. Formulas can include up to 3 part mixes (eg. Part A, Part B, Part C) and each part can contain up to 10 ingredients, allowing a maximum total of 30 ingredients. Available units are ml, g, fl oz, oz, tsp, grains and drops. Lifetime free updates, no ads, no add-ons.

Reciprocity+ : photo tool, for calculating long exposure, for digital and analog photography. Are you tired of mentally multiplying exposure time with yor ND3+ND8 filters, and then adding reciprocity failure rate ? Reciprocity + is for you : • 29 Filters : CTO, CTB, Green series, ND serie and more • 110 Reciprocity charts included. • Design your own chart or modify an existing one • Share your charts with PInhole Assit App, • Share by email •Available charts : • A chart adapted from Jim Shull's The Hole Thing • Two charts for RC photo paper , • 400TX,TMX,TMY,HP5+,100 Delta (source APUG forums) • max 400, T max 100,TRiX & Plus 125, Ilford films (Without Lenses website ) • Official Ilford films. • Ektachrome, Fujichrome, Agfachrome and + from "Using the View Camera". • Arista films (courtesy of David Aimone) • Ilford Pan F, Fuji FP100, Fuji Neopan 100 ACROS, Ektar 100 • Fuji FP 3000B • and more (119 films). • A timer, of You can quit the app, no matter what you do, the timer will notify you when the exposure is over. From the makers of Pinhole Assist.