
Kyanite Pro
Drilling calculators offline
Price history
About
This app offers a suite of offline drilling calculators and reference tools for oil and gas professionals. It includes features for mud engineers, cementers, and directional drillers, with options to share data with crews. A free tier provides basic tools, while a subscription unlocks advanced calculators and job sheets.
What's New in Kyanite Pro
1.2.3
September 16, 2026
GAIN / LOSS DATA SHEET The hourly pit balance, worked for a full 24 hours. Enter the depth, pit volume and anything you added each hour and the sheet works the footage, the hole loss, the calculated change against the actual and the net. A running trend line and nights / days tour totals show you where the pits are walking before it turns into a problem. Hole capacity comes off the hole size but stays editable, so a measured figure sticks. Finish a day and one tap starts tomorrow's sheet from tonight's last depth and gauge, and any sheet exports as text that pastes straight into a morning report. In Kyanite Pro, under Drilling Fluids. TWO OUIJA CALCULATORS The steering wheel, worked both directions. Set a tool face and slide length to get the new angle, direction change and build rate, or name the angle and turn you want and get the tool face to set and the footage to slide. Under Directional & MWD. Everything else is unchanged: the calculators, charts and sheets still run with no signal and no login.
MoreSubscriptions & In-App Purchases
Kyanite Pro Monthly
All calculators, sheets and crew sharing.
FAQ
Does Kyanite Pro have ads?
No, Kyanite Pro is ad-free. The description explicitly states 'No ads and no tracking' for all features, including those in the free tier and the premium subscription.
What is the pricing for Kyanite Pro?
Kyanite Pro offers a free starting tier with essential tools. The full version unlocks over 120 field calculators and job sheets with a 3-day free trial, followed by a subscription of $3.99 per month or $19.99 per year.
Can I use Kyanite Pro without an internet connection?
Yes, all calculators and features in Kyanite Pro work completely offline. Data syncs with your crew only when you have a signal, ensuring continuous usability in remote locations.
What kind of calculators are included in Kyanite Pro?
Kyanite Pro includes over 120 calculators covering drilling engineering, drilling fluids, solids control, cementing, directional drilling, MWD, and well control. Specific tools include capacities, volumes, mud weight conversions, slurry yield, dogleg severity, and kill sheets.
How does Kyanite Pro help with crew collaboration?
You can share records like tank gauge readings, chemical inventory, notes, LCM build sheets, kill sheets, and cement jobs with your crew. This ensures everyone on location has the same up-to-date figures.
What is the update frequency for Kyanite Pro?
The app was last updated on September 11, 2026, with version 1.2.2. This indicates active development and regular updates to improve functionality and add new features.
Is Kyanite Pro suitable for beginners?
While designed for professionals, the free tier offers basic tools and the full calculator catalog is available to view before subscribing. This allows users to explore the app's capabilities before committing to a paid plan.
What devices support Kyanite Pro?
Kyanite Pro is available for iPhone and iPad, making it accessible to a wide range of mobile users in the field.






