Electrical Prep

Privacy Policy

Effective 13 October 2026

There is no account, no analytics and no advertising. Your study progress never leaves your iPhone. One screen — the tutor — sends the question you type to our server so it can be answered; nothing else in the app uses the internet at all.

What we collect

No personal data. There is no sign-in, no profile and no advertising, attribution or analytics SDK of any kind. We never sell anything to anyone.

The one exception is the tutor, and only while you are using it. See below.

The tutor

If you tap Ask the tutor, the app sends to our server: the question you typed, which question of the app's own material you were looking at, the language of the screen, and a random identifier that the app generates on your iPhone the first time you use the tutor. That identifier is not your Apple ID, not your device's advertising identifier and not anything Apple gives us: it is a random string whose only job is to count how many questions have been asked from one iPhone today, so that one person cannot use up the daily allowance for everybody.

Our server answers using the app's own study material and keeps, for that purpose: the answer it produced, a fingerprint (a one-way hash) of the request so the same question does not have to be answered twice, that random identifier, the date, and how long the answer took. We do not keep a copy of your typed question as text, and we have no way of connecting any of it to you as a person.

Do not type personal details, names, addresses or anything confidential into the tutor: treat it like asking a question out loud on a job site.

You can also speak the question instead of typing it. The recording is turned into text on your iPhone: the audio is never sent to us, to Apple or to anyone else. If your iPhone cannot recognise the chosen language without sending the audio away, the app tells you and dictation stays off rather than doing it. What leaves the phone is the text, exactly as if you had typed it.

The answering is done by a language model run under our own account. The text of the request is processed by Anthropic's Claude for that purpose and is not used to train anyone's model. If you never open the tutor, none of this happens and the app makes no network requests at all.

What the app stores on your device

The app keeps your study progress — which questions you have answered, how you graded yourself, your review schedule, your exam date and your settings — in its own container on your iPhone. Only the app can read it. It is included in your iPhone backup (iCloud or local, whichever you use), and Apple's own privacy terms govern that backup. We have no access to it.

Tracking

The app does not track you. It does not use the advertising identifier, it does not build a profile, it does not follow you across apps or websites, and it shares nothing with data brokers.

Children

The app is a study aid for adults and apprentices. Nothing in it asks for anyone's personal details, at any age.

Third parties

The app embeds no third-party SDKs. Our server reaches the language model that answers tutor questions (Anthropic's Claude) and sits behind Cloudflare, which carries the connection. Apple provides the App Store download and any purchase or crash reporting you have consented to in your own iOS settings; that relationship is between you and Apple and is governed by Apple's privacy policy.

Deleting your data

Delete the app from your iPhone. That removes your study progress, which only ever existed there, and the random tutor identifier with it. To have the tutor records tied to that identifier deleted from our server, write to us with it (Settings shows it) and we will delete them.

Your rights

Rights such as access, correction, portability, erasure and objection under the GDPR, the CCPA and comparable laws apply to data a company holds about you. The only thing we hold is the tutor records described above, which are not tied to a person; write to us and we will confirm what exists for a given identifier, or delete it.

Changes

If this policy ever changes, the revised version will be posted here with a new effective date. Material changes will also be described in the app's release notes.

Contact

[email protected]