Small, useful software.
Built one app at a time.
A small software studio in California.
What we’ve made
RentReceipts
Security-deposit help for California renters: find out where you stand, and generate a demand letter that quotes the law.
About
Harelin is a one-person software studio run from California. Every app is built and maintained by hand, with an emphasis on being accurate, honest, and respectful of the people who use it.
No ads. No dark patterns. No selling your data.
Get in touch
Questions, feedback, or support: support@harelin.com