
Formula Book: Hair Formulas
Color formulas & client notes
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Free
In-App Purchases
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About
Keep the last formula ready when your client returns.
Save client cards, hair color formulas, client notes and before-and-after photos in one place. Built for independent stylists and colorists working behind the chair.
WRITE THE MIX YOUR WAY
Record each bowl with brand, line, shade, grams, developer, ratio, processing time and placement. Use the built-in shade catalog, add your own shades or write a formula in your own words.
START WITH LAST TIME
Open a client's history and repeat their last visit. Adjust the formula for today, save photos and leave a note for the next appointment. Keep your go-to formulas as reusable templates.
KEEP CLIENT DETAILS TOGETHER
Find clients by name, phone or tag. Keep allergy notes and dated patch test records on the client card. Bring your client list over from Contacts or a CSV file.
TAKE YOUR RECORDS WITH YOU
Your client records work offline, without an account. Export the whole book as one backup file, keep it wherever you like and restore it on a new iPhone. Automatic daily backup keeps a fresh copy in your own iCloud, next to backups you name yourself. Create client PDFs and share before-and-after photo pairs. Protect access with Face ID.
Keep using the booking tools you already know. Formula Book holds the record of your work.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in Formula Book
1.6.0
November 11, 2026
Improved backups and bug fixes.
1
Subscriptions & In-App Purchases
Formula Book Premium Yearly
Unlimited clients and formulas, yearly.
$9.991 Year





