for the use of applications and services offered by heidenreich.app, in particular the apps “heidenreich do” and “heidenreich log”
1. Provider
heidenreich.dk
Ing. René Heidenreich
Burgenlandstraße 93
7301 Deutschkreutz
Austria
Website: https://heidenreich.app
E-Mail: hello@heidenreich.app
2. Scope
These Terms of Use apply to the use of applications, websites, and digital services offered by heidenreich.app, in particular:
- heidenreich do – task planning and management, available on iOS, Android, web, and desktop
- heidenreich log – generic recording and analysis of personal measurements and observations, available on iOS and Android
By using any of the services, the user agrees to these Terms of Use.
3. Service Description
heidenreich do is an application for planning, organising, and managing tasks. Depending on the selected plan, additional features such as synchronisation, collaboration, and cross-device use are available.
heidenreich log is an application for freely recording and analysing personal measurements and observations (e.g. blood pressure, weight, sleep, or other individually defined parameters). All data is stored exclusively on the user’s device. An optional backup feature allows the user to save data to their personal cloud storage (iCloud on iOS, Google Drive on Android).
The provider reserves the right to modify, further develop, restrict, or discontinue features, content, and the technical design of the services, provided this is reasonable for the user.
4. User Account
Certain features of heidenreich do require the creation of a user account. The user is obliged to provide truthful and complete information during registration and to keep their access credentials confidential. The user is responsible for all activities carried out under their account, to the extent attributable to them.
heidenreich log does not require a user account. All recorded data remains exclusively on the user’s device.
5. Service Plans
heidenreich do:
- Free – free of charge, ad-supported
- Basic – paid subscription
- Pro – paid subscription
heidenreich log:
- Free – free of charge, ad-supported
- Ad-free – one-time purchase (to permanently disable advertising)
- Pro – paid subscription (to disable ads and increase AI limits)
The exact scope of each plan is described in the current feature overview within the app or on the website.
6. Paid Services
Paid upgrades are available exclusively through the mobile platforms iOS and Android. Purchase and billing are handled by the respective app store of the platform operator.
For heidenreich do, subscription management may be handled via RevenueCat.
For heidenreich log, the upgrade is a one-time in-app purchase with no ongoing fee. Once purchased, the ad-free status remains active permanently. The purchase can be restored at any time via the respective app store.
RevenueCat may be used for the technical management of in-app purchases and subscriptions.
7. Payment, Renewal, and Cancellation of Subscriptions
This section applies exclusively to paid subscriptions for heidenreich do and heidenreich log.
Subscription fees are due on the date of purchase or on each renewal date, unless the subscription is cancelled beforehand. Subscriptions automatically renew for the selected billing period unless cancelled in time through the respective app store. Upon cancellation, the subscription remains active until the end of the already paid period.
8. Prices and Price Changes
The prices displayed in the app or in the respective app store at the time of purchase apply.
The provider reserves the right to adjust subscription prices for future billing periods. Affected users will be informed of any price changes in a timely manner before they take effect. Users may cancel their subscription before the price change takes effect.
9. Advertising
Users of the free plan may be shown advertisements. On iOS and Android, this is done in particular via Google AdMob. In the web and desktop versions of heidenreich do, partner or advertising banners may also be displayed.
In heidenreich log, advertising is permanently disabled upon purchase of the “Ad-free” one-time upgrade.
10. User Obligations
Users agree to use the services only in a lawful and contractually compliant manner. In particular, it is prohibited to:
- post or distribute unlawful, offensive, or harmful content,
- circumvent technical protection measures,
- use the services in a manner that impairs their stability, security, or availability.
11. Collaboration and Content
Where heidenreich do provides collaborative features, users are solely responsible for the content they create, share, or edit. The provider does not adopt third-party content as its own.
heidenreich log does not provide any collaboration features. All data remains exclusively with the respective user on their device.
12. Usage Rights
The provider grants the user a simple, non-exclusive, non-transferable right to use the provided applications for the duration of the contractual relationship, within the agreed scope.
All rights to the services, software, design, trademarks, and other content remain with the provider or the respective rights holders.
13. Suspension and Termination for Cause
The provider is entitled to temporarily suspend or permanently deactivate user accounts of heidenreich do in the event of a serious breach of these Terms of Use or suspected misuse of the services.
14. Warranty
Statutory warranty provisions apply to the extent they are applicable and cannot be effectively limited.
For services provided free of charge, warranty is excluded to the extent permitted by law.
15. Reference to Separate Disclaimer
In addition to these Terms of Use, the separately published disclaimer applies in its current version.
16. Changes to These Terms
The provider is entitled to amend these Terms of Use if there is a valid reason to do so, in particular in the event of changes in the legal framework, technical developments, or modifications to the services offered. Users will be notified of material changes in an appropriate manner.
17. Applicable Law
Austrian law applies, excluding its conflict-of-law rules and the UN Convention on Contracts for the International Sale of Goods, provided no mandatory consumer protection provisions to the contrary apply.
18. Place of Jurisdiction
For disputes with business entities, the competent court at the provider’s registered place of business shall have jurisdiction, to the extent permitted by law. Statutory places of jurisdiction apply for consumers.
19. Severability Clause
Should any provision of these Terms of Use be or become wholly or partially invalid, the validity of the remaining provisions shall not be affected.
Last updated: August 2026