Terms of service
The short version. Ohmly is a tool, and you are the qualified person. Ohmly does the arithmetic, keeps the records and writes the documents. The design decisions, the inspection and testing, and every declaration you sign remain your responsibility, and nothing in these terms moves that responsibility to us.
1. Who we are, and what these terms cover
Ohmly is published by Proxime Technologies Ltd, a company registered in England and Wales, company number 17125907, registered office 71-75 Shelton Street, Covent Garden, London WC2H 9JQ. "We" and "us" mean that company; "you" means the person using Ohmly. Contact: support@ohmly.co.uk.
These terms cover the Ohmly app and this website, and apply when you use Ohmly and when you buy a subscription. If you do not agree to them, please do not use Ohmly. Ohmly runs on Android 8.0 or later.
2. Who Ohmly is for
Ohmly is for people competent to carry out electrical installation work in the United Kingdom to BS 7671, and for people working under their supervision. Ohmly is built around UK domestic, light commercial and specialist practice, and is not suitable for work under other national standards.
Apprentices and trainees are welcome. Ohmly does not make anyone competent and does not replace training, supervision or qualification.
3. Your responsibility
Ohmly produces designs, drawings, calculations, checklists, costings, quotes, invoices, notices and certificates from the information you enter, so every result depends on that information being right.
Ohmly supports, and does not replace, your professional judgement. Treat every result as a starting point. Check that a design suits the installation in front of you before you install or certify the work, carry out the inspection and testing yourself, and make sure every value you record is accurate. A missing warning does not mean that something is correct. Signing a certificate produced with Ohmly is your professional act.
Some features are aids only. Reminders can fail to appear, for example if notifications are switched off, so you remain responsible for due dates. Material prices are indicative estimates, not quotations from a supplier. Speaking a test reading can mishear it, and a spoken reading is saved as you say it, so check each reading as soon as you have spoken it, and edit or delete it if it is wrong. Features marked Beta can make mistakes, so check every value they produce.
Invoices are yours. Ohmly works out the VAT, CIS and reverse charge lines from the rates and answers you give it, and prints the details you enter, such as your UTR and bank details. Check every invoice before you send it: you remain responsible for what you charge and for your tax, and your accountant can confirm how VAT or CIS applies to a job.
4. Standards
Ohmly cites regulation numbers from BS 7671 and from the IET guidance Ohmly draws on, such as the On-Site Guide and Guidance Note 3, with short summaries so you can look each one up. Ohmly's certificates print the declarations their signatories make, in the wording of the model forms. Ohmly does not otherwise reproduce the text of BS 7671 or its tables. BS 7671 is published by the Institution of Engineering and Technology and the British Standards Institution. We are not affiliated with, endorsed by, or connected to either of them.
5. Certificates and competent person schemes
Ohmly produces Electrical Installation Certificates, Electrical Installation Condition Reports and Minor Electrical Installation Works Certificates in its own layout, carrying the content those documents require. Ohmly does not reproduce the layout of the IET model forms.
Ohmly also produces a danger notice and the G98 Form B. The danger notice is Ohmly's own notice of the dangers you recorded; it is not a certificate or a condition report. Ohmly fills the G98 Form B in from the job, with the form's declaration for you to sign, but does not send it: you check it, sign it, leave your own system schematic as the declaration asks, and send it to the DNO yourself.
We do not promise that a competent person scheme will accept certificates produced by Ohmly. Schemes set their own requirements, and some require particular forms or approved software, so please check with your scheme before relying on Ohmly for registered work. We are not affiliated with any scheme.
Ohmly does not notify work under Part P of the Building Regulations (England and Wales). Ohmly records a notification you have made yourself, through your scheme or through building control. Making the notification remains your responsibility.
6. Plans, subscriptions and payment
Ohmly has a free plan, which shows advertisements (see the privacy policy), and two paid subscriptions, Pro and Pro+, which do not.
Payment through Google Play. You buy subscriptions through Google Play. Google takes the payment, shows you the final price including tax before you confirm, and manages renewals and cancellations under Google Play's terms. Refund requests go through Google Play.
Renewal and cancellation. A subscription renews automatically until you cancel. You can cancel at any time in Google Play, and you keep paid features until the end of the period you have paid for.
Free trial. Pro and Pro+ start with a one-month free trial, and you can have one free trial of Ohmly. Google Play asks for a payment method when the trial starts, and charges the subscription price when the month ends unless you cancel before then. If you cancel during the trial, you are not charged, and you keep the paid features until the trial ends.
Your right to cancel. If you are a consumer, the law gives you 14 days to cancel a purchase of digital content. That right ends once the paid features start, if you agreed when you bought that they could start straight away and that you would then lose the right to cancel. To cancel within the 14 days, ask Google Play for a refund.
Promotional codes. A code for a free trial gives you a paid plan for a set period. Google Play asks for a payment method, and the subscription then renews at the normal price unless you cancel before the trial ends.
The free plan. On the free plan you can start a new job while you have fewer than five (templates do not count), and you can issue the certificates for one job. You can also use the Pro and Pro+ design wizards on the free plan, but you can issue the certificates for a job that uses one only on that wizard's plan or a higher one.
If a subscription ends. You return to the free plan. Your projects, drawings and issued certificates stay on your device, and you can still open them. Exporting needs an active paid subscription, except for what the free plan itself includes: drawings and board layouts as images, way labels, any certificate already issued, and the certificates for a job that used no Pro or Pro+ wizard. Paid features lock again, but the information you created with them is kept. The free plan's limits then apply: jobs you issued while subscribed count towards the free plan's one job, and you cannot start a new job while you have five or more.
Changes. We may change what each plan includes, and we may change prices. If a price rises, Google Play tells you before the change affects a renewal, and you can cancel before the renewal. We will never charge for a feature whose absence could make an installation unsafe: every safety check and warning stays on the free plan.
7. Your work and your data
Ohmly keeps your work on your device, with no account and no copy on our servers. We cannot recover your work if your device is lost, damaged or reset, so please keep a copy. Ohmly offers Google Drive backup and backup files, both explained in the privacy policy, which also sets out how we handle information.
8. What you must not do
You must not:
- resell, sublicense or redistribute the app;
- reverse engineer, decompile or modify the app, except where the law allows;
- use Ohmly to produce a document you know to be false; or
- present Ohmly as endorsed by a standards body or a scheme.
9. Intellectual property
The Ohmly app and this website, including their design and content, belong to us or our licensors. We give you a personal, non-transferable licence to use Ohmly for your own work, including your business. The work you create with Ohmly, including your drawings, records and certificates, belongs to you, and we claim no rights over your work. Third-party components are listed on the licences page.
10. Changes, availability and ending your access
We may update Ohmly, add or remove features, or stop offering Ohmly. Because Ohmly runs on your device, the free features of an installed copy keep working without anything from us, and your work stays on your device.
We may change these terms. We will update the date at the top of this page and give you reasonable notice, in the app or on this website, before a significant change takes effect. If you do not accept the change, you can cancel your subscription before the next renewal.
We may end a paid subscription through Google Play if you seriously or repeatedly break these terms. We will tell you why, if we have a way to contact you, and your work stays on your device on the free plan, as described in section 6.
11. Liability
We are responsible for the software. You are responsible for the electrical work. We do not promise that Ohmly will be free of every error or always available.
We are not liable for the installation, the inspection and testing, or anything you certify, or for loss that would not have happened if you had checked the result as section 3 asks. The law places that responsibility on the competent person.
If you use Ohmly for your business, we are not liable for loss of profit, business, contracts or goodwill, or for indirect or consequential loss. Our total liability to a business user for everything connected with Ohmly is limited to £100, or what you paid for Ohmly in the twelve months before the claim, whichever is higher.
If you are a consumer, nothing in these terms affects your statutory rights. Nothing in these terms excludes or limits any liability that the law does not allow us to exclude or limit.
12. Governing law
These terms are governed by the law of England and Wales, and the courts of England and Wales have jurisdiction. If you live in Scotland or Northern Ireland, you may also bring proceedings in your own courts.