Apps by Andre de Groot

Small apps.
More ease.
Every day.

Find the right paint again. Prepare everything for the babysitter. Or take a moment with a small companion. Discover the apps from Big Apps.

View the appsAbout the maker
Woningboek: your home and maintenance in one overview
Living room · south wallSage greenS 3010-G10Y · Matt Your small companion A little clarity. A little joy.

Easy to startEvery app has a clear purpose.

Your data stays yoursYou choose what to keep and share.

Pleasant to useClear, careful, and designed with attention to detail.

The apps

What makes your day
easier?

From home maintenance to a night out: choose the app that helps. Meet your own companion in Yourling or go treasure hunting with Clumori.

01On the App StoreWoningboek

Everything about your home. Easy to find again.

From the latest boiler service to the manual for your heating system: keep it in Woningboek and find it when you need it.

Explore Woningboek
Today screen in Woningboek

TodayWhat needs attention appears first.

02On the App StoreMeterkast

Which circuit belongs to the kitchen?

Record which circuit belongs to which room or appliance. Add labels to a photo of your meter cupboard and print an overview to keep inside it.

Explore Meterkast
Meter cupboardCircuit overview
  1. 01KitchenOn
  2. 02Living roomOn
  3. 03LaundryOn

Main switch · bottom left

03On the App StoreVerfpaspoort

Which colour was that again?

Save the brand, colour code, and finish for each wall, frame, or room. Useful when you want to touch up or repaint later.

Explore Verfpaspoort
Living room · south wall

Sage green

Colour code
S 3010-G10Y
Finish
Matt
Last coat
2026
04On the App StoreOppaspas

A good evening starts with clear agreements.

Bedtime, evening routines, and who the babysitter can call: put the essentials together and share only what is needed for that evening.

Explore Oppaspas
Parent dashboard in Oppaspas

No accountTonight’s agreements, ready to hand.

05Coming soonYourling

Your companion. At your pace.

Meet a Yourling with its own look, voice, and habits. Discover what your companion does and come back whenever you feel like it.

Explore Yourling
Pip, a blue and green Yourling

A moment for yourselfCome back whenever you want.

06On the App StoreClumori

A treasure hunt for a children’s party at home.

Host a treasure hunt at home with Clumori. Print clues and let children solve puzzles together on iPhone or iPad. Try the theater adventure for free.

Explore Clumori
Mori at the lit shadow theater

The first hunt is freeMori and the Bird in the Theater

Everything about your home together

From paint and circuits
to one home book.

Do you also use Woningboek? Keep a copy of your data from Meterkast and Verfpaspoort there. The copy is not updated automatically; every app also works independently.

MeterkastOn the App Store
VerfpaspoortOn the App Store
copy of your data
Woningboekeverything about your home together
Big AppsFrom idea to app.
Made by Andre.

Big Apps

Self-conceived.
Made with care.

I’m Andre de Groot, the maker behind Big Apps. I create apps for things you want to remember, arrange, or simply experience for a moment. With clear screens and attention to your privacy. Have a question or idea? I’d love to hear from you.

Get in touch