Privacy · Organisation
Écrin
What matters to you
deserves its own space.
Photos, videos, documents and notes belong in albums and folders behind a passcode. Organise your content on iPhone and iPad, then choose what you export or share.
Available
Independent studio · Apple apps
Useful ideas.
Distinctive apps.
Keep a place for your private content. Prepare a copy before you send it. OS Studio designs Apple apps around these practical needs.
Design. Develop. Refine.Independent, by choice.For Apple devices.
Our apps
Our apps at a glance.
2 apps
Watermarks · Capture · Metadata
OS Watermark Pro
Prepare everything before sharing.
Compose a watermark on a PDF, photo or video. Adjust its appearance, inspect supported metadata and export a copy suited to its intended use.
Version 1.0 · AvailableiPhone and iPad · Requires iOS/iPadOS 17 or later
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Which app fits your needs?
Écrin organises a personal space. OS Watermark Pro prepares copies you want to send or publish. Their features serve different stages of your work.
| Your goal | Écrin | OS Watermark Pro |
|---|---|---|
| Your goal | Organise and view personal content in a private space. | Indicate a copy’s intended use with a watermark before sending it. |
| Your content | Photos, videos, documents and notes. | PDFs, photos and videos; watermark compositions and supported metadata. |
| How you work | Albums, folders, search, passcode access and selective sharing. | Layers, file previews, templates, batch processing and copy exports. |
| Availability | Available on the App Store for iPhone and iPad. | Available on the App Store for iPhone and iPad. |
Before you choose
Which app should I choose?
Choose Écrin to organise photos, videos, documents and notes in a private space. OS Watermark Pro prepares copies with watermarks, timestamps and metadata settings. Both apps are available on the App Store.
Do I need an OS Studio account?
No. The apps presented here do not require an OS Studio account. In Écrin, iCloud backups and shared albums use Apple services when you enable those features.
What do the plans include?
Écrin offers Free with ads, plus ad-free Premium and Family plans with advanced features. OS Watermark Pro also offers Free, Premium and Family, with limits suited to creating copies. Check each app’s comparison and the terms displayed before any purchase.
Where can I get help?
Each app has its own guide and privacy page. The studio’s Support section also lets you ask a question or send feedback through the contact form.
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
Clear choices, services suited to each app and ongoing care for your privacy.
A direct conversation
Your feedback reaches the studio that develops and improves the app.
Contact the studioFrom idea to everyday use
Start with a need
An app starts with a practical use: finding a private document, choosing photos to show or preparing a file to send. Usefulness guides the features.
Connect the steps
Design and development stay together at the studio. Features belong to a journey: add, organise, check, then choose what to keep or share.
Keep listening to your feedback
Guides and support are part of the app. Your questions and suggestions reach the studio that develops it and supports its ongoing improvements.
OS Studio on YouTube
Our creations,
in motion.
Demonstrations, updates and ideas from the studio: explore our apps and the ways to use them on our channel.
Support
How can
we help?
A question or a suggestion? Each app has its guides and a way to contact the studio.