Privacy policy

Last updated 28 September 2026

This policy covers the Dungeons & Digraphs app for iPhone, iPad and Android, and this website. I’m the developer, a sole trader, and I’m responsible for it. You can reach me at dvrmmrdev@gmail.com.

What stays on your device

Each hero’s name, appearance, class, school year, gold, badges and word-practice history are saved in the app’s own storage on the device. So are a grown-up’s custom word lists and the UK or US spelling setting. I don’t receive any of this. Deleting the app removes it.

A hero’s name doesn’t need to be a child’s real name.

Your phone’s own backup (iCloud, or Android’s backup to Google) may include app data, depending on your device settings. I don’t receive it.

Google Drive backup (optional, for grown-ups)

Backup is off unless a grown-up opens Parent Settings, then Backup & Restore, and signs in with Google.

• What is saved: the hero data described above, as one file.
• Where: a hidden folder in the grown-up’s own Google Drive that only this game can open. It never appears among their normal files.
• What access the game asks for: the Google Drive “app data” permission (drive.appdata). It lets the game read and write its own hidden folder and nothing else. It can’t see your other files.
• What I receive: nothing. The sign-in happens with Google. I never see your Google password, your email address or the backup itself.

Dungeons & Digraphs’s use and transfer to any other app of information received from Google APIs will adhere to the Google API Services User Data Policy, including the Limited Use requirements.

Removing a backup

Deleting a hero in the app is carried across on the next backup. To remove the backup file itself, open Google Drive in a desktop web browser, choose the gear icon, then Settings, then Manage apps. Find Dungeons & Digraphs, choose Options, then Delete hidden app data. This can’t be done from the Drive mobile app. You can also remove the game’s access from your Google Account’s security settings.

Purchases

There is one optional, one-time purchase. The app store (Apple or Google) takes the payment, so I never see card details or your name. To check that a purchase has been made, the app uses a service called RevenueCat, run by RevenueCat, Inc. in the United States. It receives an anonymous ID that the app makes up on your device, plus purchase information from the store. It doesn’t receive your name or email address. RevenueCat’s own policy is at revenuecat.com/privacy.

Reading words aloud

Words and clues are read out by your device’s built-in speech engine. The app doesn’t record audio, and it doesn’t ask for access to the microphone.

Privacy is a core part of the app's design

• No advertising, and no advertising or analytics tools of any kind.
• No accounts, sign-ups or email addresses.
• No location, camera, microphone, contacts or photos.
• No chat, messaging or social features, and no way that a child types can reach anyone else.
• No selling or sharing of data. I deliberately don’t have any to sell.

One thing the app loads from elsewhere

When the app opens, it downloads its styling code from the Tailwind CSS content delivery network (cdn.tailwindcss.com). Your device makes that request directly, so that service can see your device’s IP address and basic technical details, as any web server does when it’s asked for a file. Nothing from your heroes or settings is sent with it.

Children

The game is made for children in Reception to Year 6 (ages 4-11), to be used with a parent or guardian nearby. There’s no account and I collect no personal information from children. Parent Settings, backup and purchases sit behind a grown-up maths question.

This website

The website is a few static pages. It sets no cookies, has no analytics or advertising, and hosts its own fonts rather than loading them from another company. My web host, Fasthosts, keeps standard server logs (such as IP addresses and the pages requested) to run and secure the service, under its own policy.

If you email me, I use your address and message only to reply and to keep a record of the conversation, and I delete it when it’s no longer needed.

Your rights

Because I don’t hold personal information about people who play the game, there is normally nothing for me to look up or delete. Your heroes are on your device, and any backup is in your own Drive, where you control it. For emails you’ve sent me, you can ask to see, correct or delete them. If you’re in the UK and unhappy with how I’ve handled something, you can complain to the Information Commissioner’s Office at ico.org.uk/make-a-complaint.

Changes

If I change this policy, I’ll update the date at the top.

Contact

dvrmmrdev@gmail.com