Daily Brain 5

Privacy Policy

Effective and last updated: 26 October 2026

This policy explains what information the iPhone app "Daily Brain 5" (the "app") handles and how it is used. The app is provided by foco apps ("we", "us"). If this English version and the Japanese version differ, the Japanese version prevails.

1. In short

2. What we collect

InformationDetailsPurpose
Anonymous IDA random ID the app creates on your device. It is not linked to your name or other identity. It is shared by analytics, crash reports and purchase management. The analytics service also creates its own per-app ID.Usage statistics, crash investigation, purchase management
Usage dataApp launches, screens viewed, progress through the first-run guide, the puzzles you play and their results (level, stars, time taken, hints used and similar), streak, puzzle unlocks, ads shown and rewards, paywall views and purchase actions, settings changes, share actions, opening the app from a reminderTuning puzzle difficulty and improving the app; reviewing the ad and purchase screens
Answers in the first-run guide (optional)The age group (for example, 40s) and goals (for example, memory, spare moments) you chose. You can skip them.Usage trends; care for younger users (section 6)
Device and environmentDevice model, OS and app version, language, time zone, and country or region estimated from your IP address (nothing more precise than a city)Statistics, delivering settings, investigating crashes and speed, serving ads
Crash and performance dataCrash logs (including the app state at the time), time taken to launch and to show puzzlesFixing bugs, improving speed
Purchase informationProducts bought, price and currency, purchase and renewal dates, free trial status. We never receive your payment method or card number (Apple handles payment).Applying and restoring purchases, purchase statistics
Advertising informationAds shown and your interactions with them. The advertising identifier is used only if you allow tracking on your iPhone.Serving ads and measuring them, ad revenue statistics

Daily reminders are scheduled on your device; no information is sent for them. Sharing uses the iPhone share sheet; the app does not receive who you share with or what you send.

3. Consent and your choices

4. Who receives information

We use the following service providers for the purposes above. We do not sell your information.

ProviderServices and roleTheir policy
Google LLCFirebase (Google Analytics: analytics; Crashlytics: crash reports; Performance Monitoring: speed; Remote Config: settings and experiments), Google AdMob (ads and the consent form), Google Cloud (storing and analysing analytics data)Google Privacy Policy, How Google uses information from sites or apps that use its services
RevenueCat, Inc.Purchase management (which purchases are active, restoring)RevenueCat Privacy Policy
Apple Inc.App Store purchases and payment, app distributionApple Privacy Policy

These are US companies, and information may be processed outside your country, including in the United States. We use them after confirming that they take measures to protect personal information. We do not give information to any other third party except where required by law.

5. How long we keep it

6. Children and younger users

The app is not directed at children under 13. In regions where ad consent is required, if you choose "under 20" as your age group in the first-run guide, usage data is not sent and only limited, age-appropriate ads are shown.

7. Your rights

Depending on where you live (for example, under Japan's Act on the Protection of Personal Information or the EU General Data Protection Regulation), you may ask to access, correct or delete your information, or to stop its use. Please contact us at the address below. Because we do not hold names or email addresses, we may ask you to follow steps that let us find which information is yours, and we may be unable to act if we cannot. You can always delete the information on your device with Delete all data on this device. If you live in the European Economic Area or the UK, you may also complain to your local data protection authority.

8. Security

Information is sent over encrypted connections, and the app is designed not to send information that directly identifies you, such as your name. Access to analytics data is limited to us.

9. Changes to this policy

When we change this policy, we update this page and the date above. We announce significant changes in the app as well.

10. Contact

foco apps (run by an individual; the operator's name and address are provided without delay on request)
Email: support@focoapps.dev