Royale Guru
Privacy Policy
Last updated: October 4, 2026
This Privacy Policy describes what Sly Trunk LLC (“the Company”, “We”, “Us” or “Our”) collects when You use Royale Guru (the “Service”: the mobile app, the website at royaleguru.com, and the servers that analyze Your battles), how We use it, who We share it with, and the choices You have.
Your video never leaves your phone. When You record a battle, the app keeps one still snapshot per second on Your device and uploads only those snapshots. The video recording itself, and any sound or microphone audio, stay on Your phone and are never sent to Us.
We don't sell Your data and We don't show ads.
Royale Guru is not affiliated with, endorsed, sponsored, or specifically approved by Supercell. Supercell has its own privacy policy for Clash Royale; this policy covers only Royale Guru.
What We Collect
Battle snapshots
Still images of Your screen, one per second, taken during a recording You start, and uploaded when You ask for a Battle Review. Recordings stop by themselves after 7 minutes. The snapshots show whatever was on Your screen, so stay in Clash Royale while recording: if a notification or another app appears, it may be in the snapshots.
Battle Reviews
What Our analysis produces from Your snapshots: the cards played, where and when, the result, and the Insights, plus the questions You ask the Guru about an Insight and its answers.
Your player tag and public Clash Royale data
The Clash Royale player tag You enter. With it We fetch, from Supercell's official API, the public data Supercell publishes for that tag: player name, trophies, card collection and levels, and recent battle log (including the names, tags and decks of opponents in those battles). This data is public in Clash Royale; We use it to identify the battle You recorded and to give advice that fits Your cards.
Account information
When You first open the app We create an anonymous account with a random identifier; no name or email is needed to record. If You create an account, We also store Your email address (and Your password, which Our authentication provider stores in hashed form; We never see it). If You sign in with Apple or Google, We receive the email address and identifier that provider shares with Us.
Purchases
When You buy analysis credits, Apple or Google processes the payment. We receive a transaction identifier, the product bought and the date, and keep Your credit balance. We never receive Your card number or other payment details.
Feedback
Ratings and reports You send about an Insight, such as marking it as a misread.
Notifications
If You allow notifications, a push token for Your device so We can tell You when a Battle Review is ready.
App usage
Which screens You open and what You do in the app, such as starting or cancelling a recording, uploading a battle or buying credits, with the time, Your account identifier, a random identifier for this install, the app version, Your phone's model and operating system, and its language setting. We use it to see where the app is confusing or breaking and to improve it. It doesn't include Your player tag, name, email, snapshots or anything You type.
Technical data
Like most online services, Our servers log requests, including IP address, time, app version and errors, to keep the Service running and secure. We don't use advertising identifiers, and We don't track You across other companies' apps or websites.
What We don't collect
The video recording, sound, microphone audio, Your contacts, Your photos library, or Your location.
How We Use It
- To provide the Service: analyze Your battles, produce Battle Reviews, answer Your questions, suggest decks, and notify You when a review is ready.
- To manage Your account and purchases: sign-in, credits, verifying purchases with Apple or Google, and the one free review per player tag.
- To improve the Service: We and people working for Us may look at snapshots, Battle Reviews and Feedback to find where the analysis was wrong and make it more accurate. We look at App usage, counted across all users, to find where people get stuck. We also track what each review costs to run.
- To keep the Service secure and prevent abuse and fraud.
- To contact You about Your account, purchases or important changes to the Service. We don't send marketing email.
- To comply with the law and enforce Our Terms of Service.
Who We Share It With
We share data only with service providers that process it for Us under contract, and only what they need:
| Provider | What for | What they get |
|---|---|---|
| Google Cloud and Firebase (Google LLC) | Hosting, database, file storage, sign-in | Everything listed above, stored in the United States |
| Anthropic, PBC | The AI that reads snapshots and writes Battle Reviews and answers | Battle snapshots, the battle's public Clash Royale data, Your questions. Under its commercial terms Anthropic does not train its models on this data. |
| Supercell (Clash Royale API) | Fetching public player data | The player tag You entered |
| Apple and Google | In-app purchases, Sign in with Apple / Google, push notifications | Purchase receipts, sign-in tokens, push tokens |
| Amplitude, Inc. | Product analytics | App usage, as described above. Not used for advertising. |
| Expo (650 Industries, Inc.) | Delivering push notifications | Push token and the notification text |
We may also disclose data if required by law or a valid request from public authorities, to protect the rights, property or safety of the Company, Our users or others, or as part of a merger, acquisition or sale of assets, in which case We will tell You before Your data becomes subject to a different privacy policy.
We do not sell Your personal information, and We do not share it for cross-context behavioral advertising.
How Long We Keep It
- Battle snapshots and Battle Reviews: until You delete Your account. We may delete old snapshots sooner.
- Account, player tag, Feedback and push tokens: until You delete Your account or turn notifications off.
- Purchase records: as long as needed for accounting, tax and fraud prevention, even after You delete Your account.
- Server logs: about 30 days.
- App usage: up to 2 years.
Deleting Your Data
You can delete Your account in the app (Profile → Delete account). This deletes Your battles, snapshots, Battle Reviews, questions, player tag and sign-in, except purchase records We must keep. App usage isn't deleted automatically yet; email Us and We will delete it too. You can also email royaleguru@slytrunk.com and We will delete Your data for You. Step-by-step instructions are on Delete Your Account. Deleting the app alone does not delete Your data on Our servers.
Security
Data is encrypted in transit and at rest, and each account can read only its own battles. No method of transmission or storage is 100% secure, so We cannot guarantee absolute security.
Where Your Data Is Processed
The Company and its service providers are in the United States, and Your data is processed and stored there. If You use the Service from outside the United States, You understand that Your data will be transferred to the United States, where data protection laws may differ from those where You live.
Children
The Service is not meant for children under 13, and We do not knowingly collect personal information from anyone under 13. If You are a parent or guardian and believe Your child under 13 has given Us personal information, contact Us and We will delete it. Users between 13 and 18 need a parent's or guardian's permission to use the Service, as set out in Our Terms of Service.
Your Rights
Depending on where You live, You may have the right to know what personal information We hold about You, get a copy of it, correct it, delete it, object to or restrict how We use it, and withdraw consent. To exercise any of these rights, email royaleguru@slytrunk.com. We will need to confirm the request comes from the account holder, and We will respond within the time the law requires. We will not treat You differently for exercising Your rights.
California residents (CCPA/CPRA)
In the past 12 months We have collected these categories of personal information, from You and Your device and from Supercell's public API, for the purposes described above:
- Identifiers: email address, account identifier, Clash Royale player tag, IP address, push token.
- Commercial information: records of analysis credits bought.
- Internet or other electronic network activity: App usage and server logs.
- Audio, electronic, visual or similar information: battle snapshots (visual only, never audio).
- Inferences: Your play style and mistakes, as described in Battle Reviews.
We disclose these categories to the service providers listed above for business purposes. We do not sell or share personal information as those terms are defined in California law, and We do not use or disclose sensitive personal information for purposes that would give You the right to limit it. You have the right to know, delete, correct, and opt out of sale or sharing, and to not be discriminated against for using these rights. You may use an authorized agent to make a request on Your behalf.
European Economic Area and United Kingdom
We process Your data to perform Our contract with You (providing the Service and Your purchases), for Our legitimate interests (improving the Service, keeping it secure), and to comply with legal obligations. Where We rely on consent, such as for notifications, You can withdraw it at any time. You may complain to Your local data protection authority.
Links to Other Websites
The Service may link to websites We don't operate, such as Clash Royale deck links. We have no control over and are not responsible for their content or privacy practices.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will post the new version on this page and update the “Last updated” date, and for material changes We will let You know in the app or by email before the change takes effect.
Contact Us
Questions about this Privacy Policy: royaleguru@slytrunk.com, or Sly Trunk LLC, 481 N. Santa Cruz Ave. #120, Los Gatos, CA 95030.