Cone6: Glaze & Kiln Log

The potter's notebook for glaze recipes, kiln logs and pieces — with a batch calculator and free iCloud sync. Your studio, kept precise.

Cone6 is the potter's studio notebook — glaze recipes, kiln logs and pieces, kept precise like a studio instrument. Built for ceramic artists who want their chemistry and firings in one beautiful, searchable place.

YOUR WHOLE GLAZE LIBRARY

• Save recipes with ingredients, percentages, cone, surface and source
• Search by glaze, clay, cone or technique — always free
• Photograph test tiles and track results by kiln, temperature and atmosphere

LOG FIRINGS LIKE AN INSTRUMENT

• Orton cones, ramp curves (per-hour rates, holds, controlled cooling), kiln type and atmosphere (oxidation, reduction, raku, salt)
• Reusable kiln profiles and element-wear tracking

BATCH CALCULATOR

• Scale any recipe to the gram: target volume to exact materials plus the water for your specific gravity
• Recipe variants: fork a base, compare side by side, keep the lineage

TRACK EVERY PIECE

• Forming, bisque, glazing, firing, finished — with photos at every stage
• Find your own pieces in a shared studio

SEE WHAT'S WORKING

• Success rate by cone and kiln, kiln drift over time, cost per piece
• Materials inventory with reorder thresholds and cost per batch
• Your year in clay: a shareable recap, with CSV and PDF export

FREE iCLOUD SYNC & BACKUP — ALWAYS Your recipes, firings and pieces sync across every device and are backed up for free. We never lock your data behind a subscription.

CONE6 PRO Unlock the batch calculator, advanced firing curves, materials inventory and analytics with Cone6 Pro — monthly, annual (with a 7-day free trial) or a one-time lifetime purchase. Your data and sync are always free.

Made by potters, for potters.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/