Effective Date: 7 September 2026
Portfolio Software Limited (“Portfolio Software”, “we”, “us”, “our”) respects your privacy and is committed to protecting your personal data. This Privacy Policy explains what data we collect, how we use it, who we share it with, and your rights.
This Privacy Policy applies to Gridilox, our mobile puzzle game, related websites, and related services (the “Service”).
Portfolio Software Limited
Company No. 04461613
Unit 21 Kingspark Business Centre
New Malden
KT3 3ST
United Kingdom
We are the data controller for personal data processed via the Service.
Gridilox can be played without creating an account.
If you choose to register, additional features such as leaderboards, cloud progress, Daily Puzzle history and cross-device recovery may become available.
We may collect the following types of data.
We may store information about your use of Gridilox, including:
Some data may be stored locally on your device. If you register, some progress and gameplay information may also be stored in our cloud systems so that it can be associated with your account.
Registration is optional.
If you choose to register, we may process:
We do not receive or store your Google or Apple password.
Authentication is handled using supported platform authentication services and Firebase Authentication.
Registered users may participate in Gridilox leaderboards.
Leaderboard information may include:
Leaderboard information is visible to other registered Gridilox users.
We do not display your email address on leaderboards.
Gridilox includes an optional one-time in-app purchase called Gridilox Unlimited.
Gridilox Unlimited unlocks additional features, surfaces, difficulties and unlimited generated puzzles.
We do not collect or store your payment card details.
Purchases are processed by Apple’s App Store or Google Play. RevenueCat may be used to help validate purchases, manage entitlement status and restore purchases.
We may use Google Analytics for Firebase to understand how Gridilox is used.
This may include information such as:
Analytics information is used to understand usage and improve the Service.
We may collect crash reports, performance information, device type, operating system version, app version and related diagnostic information to identify and fix technical problems.
If you contact us through the Gridilox website, by email or through another support channel, we may collect:
We use this information to respond to your enquiry.
We do not intentionally collect your:
We use data to:
We do not use your personal data for targeted advertising.
Where UK or EU data protection law applies, we rely on the following legal bases.
Performance of Contract
To provide Gridilox, provide account functionality, maintain progress, provide purchased features and restore purchases.
Legitimate Interests
To improve, secure, analyse, maintain and develop the Service, including analytics, diagnostics, crash reporting, leaderboard integrity and fraud prevention.
Legal Obligation
To comply with applicable legal, regulatory, accounting, tax, consumer protection and platform requirements.
Consent
Where consent is required by law or platform rules.
Data may be processed using third-party service providers including:
Some providers may process information outside the United Kingdom or European Economic Area.
Where required, appropriate safeguards are used, including adequacy decisions, Standard Contractual Clauses or equivalent lawful transfer mechanisms.
Local Gameplay Data
Local gameplay and settings information may remain on your device until you delete the application, clear its data or otherwise remove it.
Registered Account Data
Account and cloud progress information may be retained while your Gridilox account remains active.
If you delete your account, we will delete or anonymise associated personal information where reasonably possible, subject to information that must be retained for legal, security, fraud prevention, financial or technical reasons.
Purchase Entitlement Data
Purchase entitlement information may be retained for as long as reasonably necessary to verify purchases, restore access, prevent fraud and comply with app-store, accounting, tax or legal requirements.
Leaderboard Data
Leaderboard information may be retained for as long as reasonably necessary to operate leaderboard and historical results features.
Where an account is deleted, personally identifying leaderboard information will be removed or anonymised where reasonably possible.
Analytics Data
Analytics information is retained only for as long as reasonably necessary to understand usage and improve the Service.
Crash and Diagnostic Data
Diagnostic information is retained only for as long as reasonably necessary to investigate and resolve technical issues.
Support Data
Support correspondence may be retained for as long as reasonably necessary to respond to your enquiry and maintain appropriate support records.
We only share information where necessary to operate, support, analyse or improve the Service.
We may share data with:
Apple
For App Store distribution, sign-in, purchases, refunds, payment processing and purchase restoration.
For Google authentication, Google Play distribution, purchases, refunds, payment processing and purchase restoration.
RevenueCat
For purchase validation, Gridilox Unlimited entitlement management and restore-purchase functionality.
Google Firebase
For authentication, cloud data storage, analytics, diagnostics and technical operation.
Service Providers
For hosting, infrastructure, security, diagnostics and operational services.
Legal or Regulatory Authorities
Where required by law, regulation, court order or lawful request.
We do not sell your personal data.
We do not share personal data with unrelated third parties for targeted advertising.
We use appropriate technical and organisational measures intended to protect personal data.
However, no electronic system can be guaranteed to be completely secure.
You should keep your device, Google account, Apple ID and app-store credentials secure.
Depending on where you live, you may have rights including:
You can exercise these rights by contacting:
If you have registered for Gridilox, we may need sufficient information to confirm that the account concerned belongs to you.
You may also have the right to complain to the UK Information Commissioner’s Office (ICO) or your local supervisory authority.
Registered users can delete their Gridilox account and request deletion of associated personal data.
If you can access your Gridilox account, you can initiate account deletion directly within the Gridilox app through Account Settings.
If you cannot access your account, cannot use the in-app deletion option, or otherwise require assistance, you can request account deletion by contacting us at:
Where necessary, we may ask for reasonable information to verify that the account belongs to you before processing a deletion request.
Account deletion removes the Gridilox account and associated cloud data where reasonably possible, including personal leaderboard information.
Deleting an account may also remove:
Some information may be retained where reasonably necessary or required for:
Deleting a Gridilox account does not cancel, reverse or refund purchases made through Apple or Google.
Purchase records may continue to exist with the applicable app store and RevenueCat where required for purchase restoration, fraud prevention, accounting or legal purposes.
Gridilox Unlimited may remain associated with the Apple ID or Google account used to make the original purchase, where supported by the applicable app store.
Account deletion does not necessarily remove local game data already stored on your device. To remove locally stored Gridilox data, you may also need to delete the application or clear its local application data.
For questions or assistance concerning account deletion, contact:
Gridilox is a general-audience puzzle game.
The Service is not directed at children under 13, and we do not knowingly collect personal data from children under 13.
If you believe that a child has provided personal data to us, contact us at support@gridilox.com and we will take appropriate action where required.
Gridilox may contain links to app stores, websites or other third-party services.
We are not responsible for the privacy practices, content or security of third-party services.
We may update this Privacy Policy from time to time.
Material changes may be notified through Gridilox, our website or the relevant app-store listing.
Continued use of the Service following an update means the revised Privacy Policy will apply from its stated effective date.
If you have questions about this Privacy Policy or your personal data, contact:
Portfolio Software Limited
Unit 21 Kingspark Business Centre
New Malden
KT3 3ST
United Kingdom
Company No. 04461613
Email: support@gridilox.com
Website: https://gridilox.com
The main substantive addition is the How You Can Delete Your Account subsection. It now explicitly covers both routes Google/Apple reviewers are likely to look for: deletion from Account Settings, and a support route when the user cannot access the account.