Privacy · Organisation
Écrin
What matters to you
deserves its own space.
Keep your photos, videos, documents and notes in a private space. Organise, find, back up and share only what you choose.
Independent studio · Apple apps
Care in every detail.
Every day.
OS Studio designs and develops apps for Apple devices. Thoughtful tools, care for your privacy and support provided by the studio.
Developed in FranceLocal processingHuman support
Our apps
Every need deserves
a space of its own.
Watermarks · Capture · Metadata
OS Watermark Pro
Prepare everything before sharing.
Add watermarks to PDFs, photos and videos. Adjust metadata, capture with timestamps and organise copies on your iPhone.
Coming soonNot yet available on the App Store.
The studio
Independent.
And committed.
OS Studio brings design, development and support together. The same care goes into every stage, from the first idea to everyday improvements.
Useful by design
Features that meet real needs, with journeys that are easy to understand.
Respect for your choices
Optional online services and clear offers. Each app's terms are explained, including whether it may show ads.
A direct conversation
Your feedback reaches the studio that develops and improves the app.
Get supportHere to help
A question?
Let’s talk.
Support comes directly from the studio.