sparksbloom.com
SparksBloom
A calm early reading app for children aged 2 to 7.
- 11 phonics stages, from SATPIN to diphthongs
- Decodable stories a child can truly read alone
- Mastery checks instead of streaks
Independent product studio
A small lab that ships
useful software
The Prod Labs builds focused web apps from Germany. Each one does a single job well, opens straight in the browser, and keeps your data on your device. Three products live in the lab right now.
Three products in the lab
invoiceno.com
Invoice No.
A free invoice generator that runs entirely in your browser.
- 10 document types, from quote to expense report
- PDF ready in about 60 seconds
- No signup, and nothing leaves your device
passcitizen.com
PassCitizen
Citizenship test practice with official questions for 8 countries.
- Timed mock exams with the real pass marks
- German course from A1 to B1 included
- Free, with no account needed
How we build
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Free to start
Invoice No.'s generators and all of PassCitizen cost nothing and never ask for an account. SparksBloom keeps the first stage of every learning world free.
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Data stays with you
Invoice No. builds PDFs on your device, PassCitizen stores progress in your browser, and SparksBloom collects no child data at all.
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The browser is the platform
All three products are installable web apps. No app store required, updates arrive on every visit, and PassCitizen keeps working offline.
Contact
Talk products, or just say hi
A human reads every mail that lands in the lab.