Privacy Policy

Kyanite Pro is developed and published by Kyanite Holdings (“we”, “us”). This policy covers the Kyanite Pro iOS application, the Kyanite web console, the kyanitepro.com website and this support website. An Android app is in development; when it ships, this policy will cover it too. If you have any question about it, write to us at admin@kyaniteinc.com.

The app has no sign-up wall. Calculators, reference charts, kill sheets, cement jobs, LCM build sheets, inventory, location volumes and notes all work with no account and no login. If you work alone, you will never be asked who you are, and this section is the only one about accounts that applies to you.

Signing in is only needed for Crews, for using your records in the web console, and for using an Ultra plan on the web. It is entirely optional and you can use every other part of the app indefinitely without it.

The app is designed for you to put real work into it. That includes:

• Wells — names, operator, API number, depths, mud weight and hole sections
• Saved calculations and gain/loss data sheets
• Location volumes — tanks, daily gauge readings and tank groups
• Chemical inventory products, daily ledger entries and inventory history
• LCM build sheets and cement job sheets
• Kill sheets, including pre-recorded well data
• Field notes, and the rig or well you tag them with
• Your hitch rotation, favorites, shaker screen records and app settings

By default all of this is stored only on your device, in the app’s private local storage. It is never transmitted to us, and we have no technical means of accessing it.

There are two exceptions. If you sign in, your own wells and saved calculations are copied to your account so they open in the web console; only you can read them, and edits made on either side sync to the other. And records you explicitly share with a crew are described in the next section. Inside the app these two sets are kept visibly separate: each shared screen has a Mine / crew switch, and anything under “Mine” stays on the device.

If your device is backed up to iCloud or to a computer, that local storage may be included in your own backup. That backup belongs to you and is governed by Apple’s privacy policy, not ours.

Crews let the hands on one location keep the same figures in front of them. It is opt-in and it requires an account, because there is no way to show a record to your crew and nobody else without knowing who is who.

When you sign in, you authenticate with Google or Apple. We never see or store your password. We receive and store a user identifier, your email address and your display name, and we use them for one purpose: showing your crewmates who is on the roster and who last changed a record.

When you share records with a crew, copies of those records are stored on our backend so the other members can read them. Depending on what you share, that can include:

• Crew wells — name, operator, API number, current depth, mud weight and status
• Gain/loss data sheets and their hourly readings
• Tanks, gauge readings and tank groups
• Inventory products and daily ledger entries
• LCM build sheets, kill sheets and cement job sheets
• Field notes and the rig or well you tag them with

Crew profile. You may fill in an optional work profile — position, company, phone number, hitch pattern, years in the field, certifications and a short bio. It is shown only to people who are on a crew with you, never publicly, and every field is optional. You can change or clear it at any time.

Each shared record also carries who last changed it and when, so a crew can trace a figure back to a person. Please keep in mind that a shared note or sheet is visible to everyone on that crew — treat it as a crew record, not a private one, and do not put personal information into it.

Invites are sent by email. When you invite someone, we store the email address you entered and an invite code so the invitation can be redeemed. Invites expire.

Access control. Only members of a crew can read that crew’s records. This is enforced on the server, not just in the app.

Crew notifications. If you turn notifications on, we store a push token issued by Apple for that device, alongside your account, so an alert can reach the right phone. It is not your Apple ID and it cannot be used to identify you outside this app. The token is deleted when you sign out, and when Apple tells us it is no longer valid. Alerts say only who changed what area, for example “Mike updated 3 tank gauge readings” — never a calculated figure. We also record a short crew activity entry (who, which area, how many records and when) so the same updates can be read in the app. You may turn notifications off, or mute a whole crew or individual areas, at any time in Group Access > Notifications.

Leaving and deleting. Removing a shared record marks it as deleted for the whole crew. You can delete your account at any time in the app under Settings › Group Access › Account. That immediately erases your account, crew memberships, crew profile, synced wells and calculations, question balance, push tokens and linked subscription status from our servers; crews where you were the only admin are deleted with it. Records you contributed to a crew that continues may remain visible to that crew as part of their operational history, in the same way a figure you wrote on a paper sheet stays on the sheet. You can also write to admin@kyaniteinc.com and we will action it.

The Kyanite web console runs in your browser. Calculators work there with no account. When you sign in with the same Google or Apple account you use on iPhone, it reads and writes the same records described above — your own wells and saved calculations, and your crews’ shared records — under the same access rules. Your sign-in session, settings and DrillIQ / MudIQ chat history are kept in your browser’s local storage on that computer; signing out clears the session. Printing or saving a report as PDF happens entirely in your browser.

When you ask an Ultra assistant a question, your question, the conversation so far and — if “Use well data” is on — a summary of your active well are sent through Rork’s AI gateway to the model provider that produces the answer. They are used only to answer you, not for advertising. Do not include personal information in a question. Your monthly question allowance and any question packs are recorded against your account so the same balance works on iPhone and the web.

We keep the list of third parties as short as we can. They act as our processors and are not permitted to use your data for their own purposes:

• RevenueCat, Inc. — subscription status. Receives purchase history for this app and an anonymous installation identifier randomly generated by RevenueCat. It is not your Apple ID and not your advertising identifier. When you are signed in, your purchases are linked to your Kyanite account id so an Ultra plan also works in the web console.
• Supabase, Inc. — hosts the database that stores accounts, crew membership, crew profiles, shared crew records, your synced wells and calculations, and messages sent through the kyanitepro.com contact form. Only holds account data if you sign in.
• Rork, Inc. — hosts the web console and websites, provides sign-in and routes DrillIQ / MudIQ questions through its AI gateway to the model provider that answers them.
• Google or Apple — whichever you choose to sign in with, acting as your identity provider.
• Apple Push Notification service — delivers crew notifications to your device. Only used if you sign in, join a crew and turn notifications on.

We do not use analytics, crash reporting, advertising networks or attribution tools, and we do not sell or share personal information.

The app makes network requests for these reasons, and no others:

• To start, restore or verify a Kyanite Pro subscription
• To sign you in, if you choose to
• To sync shared crew records, if you are in a crew
• To sync your own wells and saved calculations, if you are signed in
• To answer a DrillIQ or MudIQ question you ask
• To register your device for crew notifications, if you turn them on

No calculation, chart or sheet requires a connection. Once your subscription has been confirmed, the result is cached on the device and the app keeps working with no signal for up to 30 days before it needs to check in again. Crew records you change with no signal are held on the device and go up the next time you have coverage. This is a deliberate design decision for work on location, where a rig may have no coverage for an entire hitch.

Where the app offers a share option, the content is handed to the standard iOS share sheet and what happens next is entirely your choice — you may mail it, save it to Files, AirDrop it or print it. The app itself does not send anything anywhere, and we receive no copy.

The suggestion form in Settings, and the contact buttons on this website, compose a message and hand it to your own email app. Nothing is transmitted by the application itself. If you choose to send that email, we will of course receive your email address and whatever you wrote.

The contact form on kyanitepro.com stores your name, email address, the optional company and role you enter, the topic and your message in our database so we can reply.

Either way, we use what you send for one purpose only: replying to you and acting on your feedback. We do not add you to a mailing list, and we do not pass your message to anybody else.

The app requests one permission, and only if you ask for it: notifications. You are asked in Group Access > Notifications, after you tap to turn them on — never when you open the app, and never anywhere in the offline calculator side. If you never open Group Access you are never asked, and declining leaves everything working; the same updates appear in the in-app activity list.

Nothing else is requested. The app does not use the camera, the microphone, location services, contacts, the photo library, Bluetooth or health data. “Location Volumes” refers to the tanks on your location — it does not use your device’s location.

The app is a professional tool intended for people working in the oil and gas industry. It is rated 4+ because it contains no objectionable content, but it is not directed at children and we do not knowingly collect information from them.

Data protection laws such as the GDPR and the CCPA give you rights to access, correct, export and erase personal data held about you. If you have never signed in, we hold nothing that identifies you and there is nothing for us to disclose or delete. If you have signed in, write to admin@kyaniteinc.com and we will provide a copy of the personal data associated with your account, correct it, or delete your account, within the timeframes the law requires. You can also delete your account yourself in the app at any time.

The information inside the app is under your direct control at all times: you can edit or delete any record from within the app, and removing the app removes the local copy from your device.

We do not sell or share personal information.

Local records stay on your device until you delete them or delete the app. Synced personal records, your crew profile and account details are kept until you delete them or your account. Crew records are kept for as long as the crew is in use. Contact-form messages are kept only as long as needed to handle your request. Subscription records are retained by our subscription provider for as long as needed to honour your entitlement.

Kyanite Pro and Ultra are auto-renewing subscriptions, and DrillIQ / MudIQ question packs are one-time purchases, all sold through the Apple App Store. Nothing is sold on the web. Payment is handled entirely by Apple. We never see your payment details, your card number or your billing address, and Apple’s handling of your purchase is covered by Apple’s own privacy policy.

You can cancel at any time in Settings › Apple Account › Subscriptions; the subscription renews unless cancelled at least 24 hours before the end of the current period.

This support site and kyanitepro.com are static pages apart from the contact form above. It sets no advertising or tracking cookies and runs no analytics. Our hosting provider may keep standard server logs, such as IP addresses and requested pages, for security and reliability purposes; we do not use those logs to build any profile of you.

If this policy changes, the revised version will be published on this page with a new effective date. Where a change materially affects what leaves your device, we will describe it here plainly.

Questions about this policy can be sent to admin@kyaniteinc.com. See also our Terms of Use.