REISEN & REISEKASSE
Android · Web · iPhone
Kurven&Kröten
Travel together. Split costs fairly.
Plan trips, record experiences and share expenses clearly. A motorcycle in the logo - for everyone travelling together.
RAINBOW-DATA APPS
Four apps. Less effort. More control over your data.
Travel with Kurven&Kröten and Sack&Pack. Organise everyday life with Pillen&Puffer and Geben&Nehmen. Four Rainbow-data apps combining practical help with a careful approach to your data.
Stored locallyPrivate records without an accountNo advertising tracking
Travel tools
TRAVEL PREPARATION, CLEARLY ORGANISED
Sack&Pack
Prepare calmly. Remember what matters.
From your first plans to the packed bag: Sack&Pack brings personal packing lists and timely tasks together. Shaped around your trip, your routines and your support needs.
Everyday helpers
Doses & Stock
Android · Now on Google Play
Pillen&Puffer
Doses in view. Refills in time.
Manage medicines, doses and stock. Plan prescription requests around absences so supplies can be arranged in time.
Borrow & Lend
Android · Web · iPhone
Give&Take
Borrow, lend and keep track.
Keep a private record of items and money you lend or borrow – in the Android app or the installable web app for iPhone, Android and computers.
RAINBOW-DATA
Useful tools. Less personal data.
Many apps offer travel budgets, packing lists, medicine management and loan records. Their business models deserve a closer look: advertising, usage profiles and data sharing may be part of the offer. Rainbow-data focuses on use without ads, local private records and clear choices about online features. Your personal content is neither sold nor analysed for advertising.
Local wherever possible
Private records are designed to stay on your device. These core functions need no community account. Optional online features such as the lending marketplace process the necessary information on the server, separately from your private records.
Choose what you share
Whether exporting, emailing, backing up to a cloud or publishing a community offer, choose the content and recipients carefully. Take particular care with other people’s information and protect your backups. We remain responsible for our handling of data in services we operate.
European providers preferred
For websites and online services we operate, we prefer European providers and server locations in Europe wherever we can choose and influence them. The presentation website uses IONOS. This is no guarantee that every external service processes data exclusively in Europe.
Large platforms used selectively
We integrate additional services from large technology companies only when required for the relevant feature. Google Play distributes and updates Android apps, for example. The device platform and browser may involve further providers; optional web push uses Apple, Google or Mozilla depending on the browser. Where available, web apps can be installed without an app store. The privacy notices explain the individual data flows.