Version 2.3. Effective 3 November 2026.
1. Who we are
detwer is a trading name of Mendmyi Limited, company number 07705267, registered in England and Wales, registered office 20-22 Wenlock Road, London, England, N1 7GU. We are the controller of the personal data in this policy, except as section 2 explains. Contact us at privacy@detwer.com.
2. Phones that a shop connects to detwer
When a shop uses detwer on a phone, the shop decides why and how that phone's data is used. The shop is the controller of that data and we process it for the shop. If a shop has checked, erased or restored your phone, ask that shop about your data.
We also keep our own record of each phone a shop connects: its serial number or IMEI, what was run on it, when, and which account ran it. We use that record to count usage, apply limits and, if charges apply, bill the shop, and to detect and prevent misuse of detwer. For that record we are the controller, and our legal basis is our legitimate interests in running detwer and protecting it from misuse. We get it from the shop that connected the phone. The rest of this policy, including your rights in section 10, covers that record and the other data we control.
3. What we collect
From you, when you sign up or use your account:
- your name, work email address and role, and your sign-in details
- your business's name, address, phone number and website
- messages you send us, including any appeal or support request
- settings you save
Created as you use detwer:
- sign-in records, emailed sign-in codes, and records of the browsers and computers used with your account
- usage records for each device and job, showing what was run, when and by whom
- the serial number or IMEI of phones connected to the account, as section 2 explains
- technical details of your connection, browser, computer and software, including your IP address
- records of security and fraud checks
- logs and support records
From other sources:
- public business listing details, such as a business's name, address and website, from a listing service when you search for your business at signup
- details from a colleague who invites you to an account
4. Why we use it and our legal basis
- To provide your account and detwer, sign you in and deal with requests. Legal basis: contract. Where you work for the business holding the account: our legitimate interest, and the business's, in running the account.
- To check that a business is genuine, and allow one account per business. Legal basis: legitimate interests, namely preventing fraud and protecting detwer.
- To keep detwer secure, and to prevent and detect fraud, abuse, copying and reverse engineering. Legal basis: legitimate interests, namely protecting detwer, our customers and their data.
- To count usage, apply limits and, if charges apply, bill you. Legal basis: contract, and legitimate interests in running detwer.
- To send service and account messages, including notice of changes. Legal basis: contract, and legitimate interests.
- To fix and improve detwer. Legal basis: legitimate interests in running a working product.
- To meet legal duties, and to make or defend legal claims. Legal basis: legal obligation, and legitimate interests.
5. Automated decisions
Some decisions are made by our systems without a person. They check information about an account, its business, its sign-ins, its computers and its connections for signs of fraud, copying, tampering or other misuse. The result can be that a signup is held for review, or that access to the whole account is suspended or ended at once. For a person who relies on the account for their work, that can mean they cannot use detwer until the decision changes.
If this happens to you, you can ask us about the decision, tell us your side, ask for a person to review it and challenge it, by emailing privacy@detwer.com.
6. Who we share it with
We share personal data with these categories of recipient:
- hosting, storage and network providers
- email delivery providers
- security providers
- business listing search providers
- payment providers, if charges apply
- app stores
- the business that holds your account, and other people on that account
- professional advisers and insurers
- the police, courts, regulators and others where the law requires or allows it, or to prevent fraud
- anyone who buys or takes over all or part of our business
7. Transfers outside the UK
We send personal data outside the UK. Some goes to places UK regulations approve. For the rest we rely on safeguards the law allows, such as the data protection clauses issued by the Information Commissioner (now the Information Commission). To get a copy, email privacy@detwer.com.
8. How long we keep it
We keep these records for no longer than shown:
- Sign-in records, requests to approve a computer, and records of connection checks: 90 days.
- Desktop software activity logs and browser error reports: 30 days.
- Email delivery records and support messages: 90 days, unless we need a message for a dispute or appeal, in which case until that is resolved.
We keep everything else, including account, business and usage records, the phone records in section 2, sign-in codes, browsers you have chosen to trust, records of signup checks, claims to a business and appeals, records of suspected misuse and records of your acceptance of our Terms.
9. Cookies and storage on your device
We store small pieces of information in your browser and on your computer, and read them back. We use them to sign you in, keep you signed in, recognise a browser you have used so we need not email you a code each time, keep detwer secure and prevent fraud. We need these to provide the service you asked for.
10. Your rights
You have the right to ask us for access to your personal data, to correct or erase it, to restrict how we use it, and to ask for a copy to move elsewhere. These rights do not apply in every case. Email privacy@detwer.com.
Your right to object. Where we rely on legitimate interests, you can object at any time to our use of your personal data, on grounds relating to your situation. Email privacy@detwer.com.
You have the right to complain to us. Use the same address. You also have the right to complain to the Information Commission, the UK data protection regulator, at ico.org.uk.
11. Do you have to give us your data?
You need to give us your account and business details because the contract requires them. Without them you cannot have an account. You are not otherwise legally required to give us personal data.
12. The diagnostics app
The detwer app runs hardware checks on the phone it is installed on. It has no account. It asks for the phone permissions each check needs, and you can refuse them, or withdraw them in your phone's settings. A refused check is skipped or fails. The app sends the check results, the phone's model and software version, and references that link the results to the right shop and device. The shop is the controller of those results, so see section 2. Deleting the app removes what it stored on the phone.
13. Changes
We may change this policy. The current version is on this page.