Callergy vs Invoice Office

Digital allergy calendars showing the major allergens in the air in cities across an entire year.

The web tool also gives monthly allergy forecasts and handpicks a product that is tailored for that city's allergens.
The startup has just had success on early adopter site ProductHunt. The company's goal is to alleviate allergy symptoms in people and make them live healthier and happier lives.

All-in-one! Simple business invoicing & accounting software

Invoice Office is an all-in-one invoicing and time tracking solution for small and mid-sized companies and freelancers. The software is very intuitive and easy to use for everyone, regardless of your accounting or administration skills.

With a focus on your business needs and processes, all the software features are designed to save you time and money, so you can spend more time on growing your business.

Location: Nijmegen, Netherlands