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phenyl

Perfume formulas by the gram
Kevin Boyle · Productivity
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phenyl is an iOS Productivity app by Kevin Boyle, released on Nov 6, 2026. The current version, 1.3, came out 2 days ago. It has no ratings yet. It is free to download and offers 1 in-app purchase priced $24.99.

App info

Developer
Kevin Boyle
Category
Productivity, Lifestyle
Released
Nov 6, 2026
Version
1.3 (Nov 11, 2026)
Price
Free
Size
10.5 MB
Requires
iOS 15.0
Age rating
4+
Languages
English

In-app purchases

phenyl membership$24.99
Current prices, App Store US.
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About phenyl

A formula sheet for perfumers. Each row is a material, the grams you weigh out and the dilution you weigh it at. phenyl works out the share of pure material and the share of the weighed concentrate as you type. FORMULAS - Grams to three decimals, at any dilution. - While weighing, tap the gram number to type an exact amount. - Hold a dilution and drag to switch between your saved dilutions. - Group materials into accords and set an accord's total like a single material. - Scale a formula to any batch size. - Your own materials list, with dilutions, stock, cost and notes. MODS AND VERSIONS - A mod is a copy of a formula you can change and compare against the original. - Versions record a formula as it was, with a summary of what changed. CHECKS - IFRA: flags any material over its limit in the finished product, at the concentration you set. Free for everyone. - Members also get the other…
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