Privacy policy

Blitzter is built to collect as little as possible: no sign-up, no ads, no analytics, no tracking. This policy explains what the Blitzter app and this website process, why, and what your rights are.

Who is responsible

Fehr GmbH, Blumenthal 6, 59457 Werl, Germany
Represented by the managing director Dominik Fehr
Email: info@blitzter.com

What the app processes

• Your player name. The name you type in is stored on your phone and shown to the other players in a game. We don't ask for your real name.
• Song lists. The app downloads the available song packs from our server; this request contains no personal data besides what any internet request carries (see Hosting).
• Games are relayed through our server so the phones can talk to each other: player names, answers and game events pass through it while the game runs and are not stored there.
• Game summary. When a game ends, the host's app sends a summary to our server: mode, room code, song pack, the players' names, teams and scores, and per round the song and how many players got the year, artist and title right. We use it to see which songs and modes work well. The full summary is deleted after 30 days; only daily totals without names are kept. Names and scores are never shown to other players.
• Song previews and covers are loaded by your phone directly from Deezer, so Deezer receives your IP address and the requested song, as described in Deezer's privacy policy. The audio is only kept in memory while the round plays.
• Daily challenge (optional). When you finish the daily challenge, the app sends your player name, points, time and result squares for that day to our server, linked to an anonymous account (below). Your name, points and time appear on that day's leaderboard, which everyone who plays the challenge sees in the app; the squares are not shown. Results are deleted after 30 days.
• Pack codes and the daily challenge (optional). Only if you redeem a code or finish the daily challenge does the app create an anonymous account: a random ID, a token (we only store its hash), your platform (Android, iOS or browser), when it was created and last used, and which packs it unlocked. It contains nothing that identifies you.
• Showing the game on a TV (optional). To find Chromecasts, the app searches your Wi-Fi network for them; nothing about your network leaves your phone. When you cast, your phone asks the Chromecast to open our TV page (blitzter.tv) and gives it the game code. The TV then joins the game like a phone, loads the song previews and covers from Deezer, and is subject to Google's terms for Cast devices. The TV page in a browser works the same way and stores nothing.
• Playing in the browser (blitzter.com/play). The browser version works like the app. Your name, settings, the list of recently played songs and, if you redeem a code, the anonymous account are kept in your browser's local storage; clearing your browser data deletes them. Searches for song previews go from your browser directly to Deezer. When you open Show on TV in Chrome, the page loads Google's Cast library from Google's servers (gstatic.com) so Chrome can list your Chromecasts; casting then works as described above.

The app has no advertising or analytics SDKs and does not access your contacts, location or microphone.

This website

This website uses no analytics. It only sets a cookie when you pick a language at the bottom of the page: lang stores that language for one year so we show you the same one next time. Otherwise the start page picks the language from your browser's language setting and, as a fallback, the country of your connection; neither is stored. Like any web server, our hosting provider processes your IP address and request details to deliver the pages and protect them against abuse.

Hosting

Our server and this website run on Cloudflare (Cloudflare, Inc. and its affiliates), which processes data on our behalf under a data processing agreement. Game summaries and accounts are stored in a database located in the European Union. Requests may be processed by Cloudflare's network outside the EU; Cloudflare relies on the EU standard contractual clauses and the EU–US Data Privacy Framework. Technical request logs are kept for at most a few days.

Legal basis

• Running games, relaying online games, the daily challenge with its leaderboard and redeeming codes: performance of the service you use (Art. 6(1)(b) GDPR).
• Game summaries, statistics and security logs: our legitimate interest in running, improving and protecting the game (Art. 6(1)(f) GDPR).

Deleting your data

Blitzter has no sign-up and no user accounts. The only data about you on our server are game summaries and daily challenge results, and they are deleted automatically after 30 days; only daily totals without names are kept, because they no longer relate to anyone. To have your game summaries deleted sooner, email info@blitzter.com with your player name and roughly when you played; we delete them within a few days. If you redeemed a pack code or played the daily challenge, add your account ID (at the bottom of Settings) and we delete that account and its results too. Your name and settings on your phone are deleted when you uninstall the app (in the browser: when you clear its site data).

Your rights

You can ask for access to, correction or deletion of your data, restrict or object to its processing, and ask for a copy (data portability). Because we don't know who you are, tell us your player name and roughly when you played, or your account ID (at the bottom of Settings). You also have the right to lodge a complaint with a data protection supervisory authority, for example the one where you live or the one responsible for us: Landesbeauftragte für Datenschutz und Informationsfreiheit Nordrhein-Westfalen.

Children

Blitzter is a party game for families and friends. We don't knowingly collect more than a nickname and scores from anyone, and nicknames are only shown inside the game and, for players of the daily challenge, on its leaderboard. Parents can ask us to delete a child's data at any time.

Changes

When the app or our processing changes, we update this page and the date at the top.