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Support

App Support.

If you have a question or a problem with one of our apps, you are in the right place.

Last updated: 6 August 2026

Contents

  1. Contact us
  2. Frequently asked questions
  3. Reporting a problem

This is an English courtesy translation. In case of discrepancy, the Turkish text prevails.

Contact us

Email is the fastest route. We usually reply within 1–2 business days. Telling us which app and which device you are using helps us resolve things faster.

Email: [email protected]
Phone: +90 501 666 34 00
WhatsApp: send a message

Apps we support:

Leranis General KnowledgeiOS — store page
Leranis HabitsiOS and Android · coming soon

Frequently asked questions

How do I cancel my subscription?

Subscriptions are managed by Apple and Google. On iOS go to Settings → your Apple ID → Subscriptions; on Android, Google Play → Profile → Payments & subscriptions. After cancelling, premium features stay available until the end of the period you have paid for.

I bought Premium but it did not unlock. What should I do?

Try Restore Purchases in the app and make sure you are signed in with the same Apple/Google account you used for the purchase. If the problem persists, send us your purchase receipt and we will look into it.

I switched devices. Is my progress lost?

No. Your progress is tied to your account. Sign in on the new device with the same Apple or Google account and your records come back. If you used the app without signing in, the data may only exist on that device.

I cannot sign in.

Check your internet connection and your device's date and time settings. If you use Sign in with Apple and chose to hide your email, signing in with a different method creates a new account. If you get stuck, write to us.

Notifications are not arriving.

Make sure the app has notification permission in your device settings and that Focus / Do Not Disturb is off. If you granted permission later, you may need to close and reopen the app once.

I want to delete my account and data.

The steps are on the Account and Data Deletion page. Deletion cannot be undone and is completed within 30 days at the latest.

Reporting a problem

If you have spotted a bug, including the following when you write to us speeds up the fix:

  • App name and version (shown at the bottom of the Settings screen)
  • Device model and operating system version
  • The step at which the problem occurs
  • A screenshot, if available

For questions about privacy and data use, you can also see ourPrivacy Policy andKVKK Privacy Notice pages.

Have questions?

We are happy to answer anything on your mind about these documents.

Get in Touch

Have a project in mind?

Let’s look at it
together.

Get in TouchMessage on WhatsApp

Bursa-based software company. We build internal business systems, corporate websites and mobile apps.

Taking on new projects — Bursa --:--

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App PrivacyTerms of UseAccount DeletionApp SupportKVKK Notice
[email protected]+90 501 666 34 00Leranis General Knowledge — App StoreLinkedIn

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