Terms and conditions

Cala is operated by Lumino Solution LLC, trading as Cala, registered at 5830 E 2nd St, Ste 7000 #25538, Casper, WY 82609, United States. In these terms, "we", "us" and "our" mean that company, and "you" means the person using Cala.

You can reach us at hello@calalayer.com. Billing statements and invoices show Cala, and are issued through Stripe on our behalf.

You accept these terms when you create a Cala account, and again when you subscribe. If you do not accept them, do not create an account.

When you accept, we record which version of these terms you accepted and the time you did it. That record is what either of us would rely on if there were ever a disagreement about what was agreed.

Our privacy policy and our intended use and AI disclosure form part of this agreement. Every version of all three is dated and kept in the legal changelog.

Cala is a desktop application for engineers troubleshooting complex equipment. It reads the documentation you give it into a local model of your machine. It then works an issue with you: what else the problem could be, and the numbers that decide it, quoted from your own documents with page citations. It labels its assumptions, puts the checks in an order, and writes a service report at the end.

While your subscription is active we grant you a personal, non-exclusive, non-transferable, revocable licence to install and use Cala on computers you control, for your own engineering work. We do not transfer any ownership in the software to you.

Extracted knowledge, chat history, investigations and reports are stored on your own machine. Our servers hold your email address, your plan, usage counters, your spend cap and your credit balance. They hold no chat content and no document content. The privacy policy sets this out in full.

Two limitations you should know before you subscribe

The Windows build is not code signed yet, so Windows will warn you during installation. There is no on-premises version. Answering a question means your message and the pages being read have to pass through an external inference provider, so if your site policy forbids that, Cala does not meet it today.

An account is for one person. Give us an email address you control, keep your password to yourself, and tell us promptly if you think someone else has access to your account.

You are responsible for activity carried out under your account and for the usage charged to it. Do not share credentials, and do not let another person use your subscription as if it were their own.

You must be at least 18 years old and able to enter into a contract to hold an account.

There are three monthly plans.

Subscriptions are billed monthly in advance, on the day you subscribe and on the same day each month afterwards. They renew automatically until you cancel.

Payments are taken by Stripe. By subscribing you authorise us, through Stripe, to charge your payment method for each renewal and for any top-up you buy. Stripe holds your payment details, we do not.

How the allowance works

Each plan covers an amount of troubleshooting work per month, with a weekly ceiling so one heavy week cannot consume the whole month. The included document reads shown above do not draw on that allowance. Beyond them, reading a document draws on the same budget as troubleshooting.

You can set a hard spend cap on your account. When you reach it we stop rather than charging you more.

Failed payments and price changes

If a payment fails, Stripe will retry it. We may suspend access to the service until the payment succeeds, and we will email you before we do.

If we change the price of a plan, we will email you at least 30 days before the new price applies to a renewal. You can cancel before that renewal if you do not want to pay it.

If you use up your monthly allowance, you can buy a top-up pack and continue in the same session. A top-up is a one-off purchase charged at the time you buy it.

A top-up is not a subscription. It does not renew, and buying one does not change your plan or its renewal date. Your spend cap still applies, so the service stops rather than charging past a limit you set.

The right of withdrawal in section 8 applies to a top-up in the same way it applies to a subscription.

You can cancel at any time from your account page. There is no annual lock-in, no cancellation fee, and no need to write to us or explain why.

Cancelling stops the next renewal. Your plan stays active until the end of the period you have already paid for, and then it ends. Apart from the rights the law gives you, we do not refund part of a period you have already had access to.

When your subscription ends you lose access to the service that answers questions. The knowledge base, investigations and reports on your own machine are untouched and stay yours. Deleting your account is a separate action, described in the privacy policy.

If you are a consumer in the European Union or the United Kingdom, you normally have 14 days from the day the contract is made to withdraw from it, without giving a reason. This is a statutory right and it applies to your first subscription payment and to any top-up.

The waiver you are asked for at checkout

Cala is a digital service that starts working immediately. At checkout you are asked to confirm this statement, and the box is not ticked for you:

I ask Lumino Solution LLC to start the service immediately and I accept that I lose my 14-day right of withdrawal once it has started.

If you give that consent and we begin supplying the service, you lose the right to withdraw. If you do not give it, we cannot begin supplying until the 14 days have passed, and your access starts then.

How to withdraw

Before the service has started, send a clear statement to hello@calalayer.com. You can use wording like this, though you do not have to:

I give notice that I withdraw from my contract for the supply of the Cala service, ordered on [date], for the account [your email address].

We will refund everything you paid within 14 days of receiving the notice, using the same payment method you used to pay. There is no charge for withdrawing.

This section describes a right the law gives you. It is not a satisfaction guarantee, and we do not operate one.

Material you have the right to load

Cala does not encourage or condone loading material you have no right to use. This clause is the company position, not a formality.

Every time you read a document into Cala, you represent that you are entitled to load it and to have it processed for the purpose you are using it for.

You must not load material where doing so would breach any of the following:

• an agreement with your employer;
• an agreement with a customer or a supplier;
• a non-disclosure agreement;
• an export control restriction that applies to technical data;
• any other law or duty of confidence that binds you.

If you are not sure whether a document may be used here, ask whoever owns that decision in your organisation before you load it.

Responsibility for that sits with you. Content stays on your machine and never reaches our servers, so we cannot see what you have loaded and we cannot check it for you. Not being able to see it is a property of the architecture, and it is not permission. Cala is not a way around a policy your organisation has set, and we do not present it as one.

If we receive credible notice that an account is being used to process material in breach of this section, we may suspend that account while we look into it, and we may end it. We will say why.

What else you agree not to do

Use Cala for your own engineering work. In particular, you agree not to:

• share your account, resell access, or use one subscription for a team;
• copy, modify, decompile or reverse engineer the software, except to the extent the law expressly allows you to and we cannot restrict;
• work around plan limits, metering or the spend cap, or use automated means to consume the service beyond normal use;
• use the service to build, train or benchmark a competing product, or to extract the underlying models;
• attack the service, probe it for vulnerabilities without our written agreement, or interfere with anyone else’s use of it;
• use Cala for anything unlawful, or in a way that breaks the rules of our providers.

If you break these rules we may suspend or end your access. Where the breach is serious we may do that without notice, and we will tell you why afterwards.

Your documents stay yours

You keep every right you already have in the documents you read into Cala. We claim no ownership of them and we do not use them for any purpose other than answering your request.

You grant us only the narrow licence needed to do that: to transmit and process the specific content required to serve a request you make, for as long as that request takes. The licence ends when the request does. Your content is not stored on our servers, is not used to train models, and is not shared with anyone outside the subprocessors listed in the subprocessor register.

What Cala produces for you is yours

As between you and us, the answers, mechanism maps, diagnostic sequences and service reports you generate with Cala belong to you. You can use them commercially, share them inside your organisation and publish them, subject to the rights of whoever owns the source documents.

One honest caveat: generated output is not guaranteed to be unique. Another user asking a similar question may receive similar output, and we cannot promise you exclusivity in it.

What stays ours

The Cala software, the website, the name and the design remain our property or that of our licensors. Nothing in these terms gives you a right to use our name or branding beyond saying that you use Cala.

If you send us feedback or a feature suggestion, we may use it without owing you anything for it. We will not identify you as its source without asking.

Cala is decision support for a qualified engineer, not for automated control, interlocks or safety functions.

Cala's answers and extracted knowledge are AI-generated. Verify against the source documents and OEM procedures before acting.

Cala reasons from how the machine works and from the documents you supply. It can be wrong, it can quote the wrong page, and it can be confidently wrong about a machine it has only partial documentation for. It is built to show its reasoning and cite its evidence precisely so that a qualified engineer can check it. Checking it is your job and it is not optional.

Uses that are excluded

You must not use Cala, or any output produced by it, for any of the following. These are not discouraged uses, they are prohibited ones.

• Automated control. Feeding Cala output, directly or through any intermediary system, into a controller, actuator, recipe, tool script or any other mechanism that acts on equipment without a qualified person deciding first.
• Interlocks. Designing, setting, defeating, bypassing or verifying an interlock on the basis of Cala output.
• Safety functions. Any safety instrumented function, protective device, emergency shutdown, alarm threshold or other function whose purpose is to prevent harm to people or equipment.
• Certification and compliance evidence. Presenting Cala output as a qualified engineering assessment, a functional safety analysis or evidence of conformity with a standard.
• Medical, clinical or life-critical decisions, and any use where a wrong answer would go unchecked by a competent person.

Cala is not certified to any functional safety standard, was not developed under one, and must never sit in a control loop. If you use it in any excluded way, you do so against these terms and you accept the consequences of doing so.

The full statement is at intended use and AI disclosure.

What we do not exclude

Nothing in these terms excludes or limits our liability for death or personal injury caused by our negligence, for fraud or fraudulent misrepresentation, or for anything else that cannot lawfully be excluded or limited. If you are a consumer, your statutory rights are unaffected by anything in this section.

What we promise about the service

We will provide the service with reasonable skill and care. We do not promise that it will be uninterrupted, error-free, or available at any particular time. We also do not promise that any answer it produces will be accurate, complete or fit for the purpose you have in mind.

To the extent the law allows, all other warranties, conditions and terms implied by statute or common law are excluded.

What we are not liable for

You decide what to do with Cala’s output, and you are responsible for verifying it against the source documents and the OEM procedures before acting on your equipment. To the extent the law allows, we are not liable for:

• damage to equipment, tooling, fixtures, wafers, parts or product;
• lost production, downtime, scrap, yield loss, rework or missed schedule;
• loss of profit, revenue, business, contracts, goodwill or anticipated savings;
• loss of or damage to data, including data held on your own machine;
• any indirect or consequential loss, however it arises, whether or not we were told it was possible.

If you use Cala in the course of a business, these exclusions apply in full. If you are a consumer, we are liable for loss that is a foreseeable result of our breaking this contract, and not for anything else.

The cap

Subject to the first paragraph of this section, our total liability to you is capped. The cap applies to all claims arising in any period of 12 months, whether in contract, in tort including negligence, or otherwise. Our liability for those claims is limited to the total amount you paid us for the service in the 12 months before the claim arose.

This limit reflects what the service is: guidance for a qualified engineer to check, sold for tens of dollars a month, used near equipment worth many orders of magnitude more. The exclusions in section 11 exist for the same reason and are a condition of us offering the service at this price.

Changes to the service

Cala is under active development, so features will change, improve and occasionally be removed. We will not make a change that removes a material part of what you are paying for without telling you first and giving you the chance to cancel.

Changes to these terms

We may update these terms. If a change materially affects your rights or obligations we will email account holders at least 30 days before it takes effect. If you do not accept the change, cancel before it applies. Every version is recorded in the legal changelog.

Suspension and termination

We may suspend or end your access if you break these terms, if payment fails, or if we are required to by law. Except where a breach is serious or the law prevents it, we will tell you first and give you a chance to put it right.

You can end this agreement at any time by cancelling your subscription and, if you want, deleting your account. Sections that by their nature should survive termination, including intellectual property, intended use, liability and governing law, continue to apply afterwards.

These terms are governed by the law of the State of Wyoming, United States. The courts of that place have jurisdiction over any dispute arising from them.

If you are a consumer, that does not take away the protection given to you by the mandatory law of the country where you live. You can also bring proceedings in the courts of your own country.

If you have a complaint, write to hello@calalayer.com first. Most things are quicker to fix than to argue about, and we would rather hear it directly.

General

If any part of these terms is found to be unenforceable, the rest continues to apply. If we do not enforce a term straight away, we do not lose the right to enforce it later.

You may not transfer your rights under this agreement to someone else. We may transfer ours if the business is sold, and we will tell you if that happens. There are no third party beneficiaries to this agreement.

These terms, the privacy policy and the intended use and AI disclosure are the whole agreement between us about the Cala service, and they replace anything said before.