KilnCost

Kiln firing cost calculator

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Pick your kiln and cone, and see the estimated cost and duration before you fire. 24 Skutt and L&L models plus custom kilns, flat or time-of-use rates. See what a firing costs before you press start. Pick your kiln and cone, and KilnCost shows the estimated price and duration of the firing — $10.21 and 8h 31m, not a guess after the bill arrives. KNOWN KILNS • 24 Skutt KilnMaster Touchscreen and L&L Easy-Fire models, in 49 voltage configurations • Power figures transcribed from the manufacturers' published spec tables • Or enter a custom kiln by kilowatts or volts × amps, with 2.5″ or 3″ brick FIRING PROGRAM • Orton cone chart built in, cones 022 through 10 (self-supporting regular cones) • Final ramp at 15, 60 or 150°C per hour — cone temperatures follow the ramp speed, as Orton publishes them • Bisque or glaze, plus an optional hold COST BREAKDOWN • Energy in kWh, estimated duty cycle, climb time and the last 100°C, hold • Flat rate or time-of-use pricing: peak and off-peak rates with your firing start hour • Optional element-wear estimate per firing • Every modeled number is marked Estimated — your meter has the final word FIRING LOG • Log a firing in one tap and look back at past firings • Logging and the full history stay free PRO LIFETIME Calculating and logging are free. A one-time Pro Lifetime purchase unlocks the shareable cost-card image, saved kiln presets, and CSV export of your firing history. No subscription and no renewal. PRIVATE BY DESIGN No account. Your kilns and firing history stay on your device. KilnCost is an estimation tool, not electrical or safety guidance — always follow your kiln manual and local electrical code. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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The developer, Ryosuke Igarashi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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Information

Seller
  • Ryosuke Igarashi
Size
  • 2.9 MB
Category
  • Lifestyle
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 12 more
  • English, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Simplified Chinese, Spanish, Swedish, Traditional Chinese
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Ryosuke Igarashi
  • Privacy Policy

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