8 small apps.
One very small studio.

Independent · shipping iOS · iPadOS · macOS · watchOS Privacy · Support · Guides
№ 01 macOS
Batch invoice printing, made calm
HerdPrint
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№ 02 macOS
Batch watermarks, clearly under control
PineMark
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№ 03 macOS
Ink out private info in a PDF
Inkfish
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№ 04 iOS · watchOS Coming soon
Tap once, remembered
Tapsy
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№ 05 iOS Coming soon
Less phone, more focus — paper checklists for a quieter day
HappyPaper
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№ 06 iOS Coming soon
Your lab reports and treatment on one timeline
宁榆 Niyu
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 From the desk Notes
Print a worksheet packet in order

Batch printing homework and worksheet photos on Mac in the right page order.

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Focus & craft · Native utilities for macOS

Calm tools for focused workflows.

No accounts, zero cloud uploads, and no analytics telemetry. Native Mac apps that do one job thoroughly on your local machine.

Available on App Store macOS 14+

HerdPrint · Batch Invoice Printing

Native workspace for electronic invoice and receipt printing. Fits two invoices per A4 sheet (2-up), groups by date with subtotals, and leaves clean margins for stapling and binding. Fully offline.

A4 2-up layout Amount & date subtotals Binding margins
How it works → App Store ↗
Available on App Store macOS 14+

PineMark · Batch Watermarks & Protection

Batch watermark workspace for photos, documents, and sensitive IDs. Apply consistent text, logo, or tiled stamps, override individual frames without breaking the batch, and compare side-by-side offline.

Per-image fine tuning Side-by-side compare Offline ID protection
How it works → App Store ↗
Available on App Store macOS 14+

Inkfish · Offline PDF Redaction

Review names, contact details, ID and financial numbers found in a PDF. Inkfish removes the text you confirm from a new copy, verifies the result, and keeps the work on your Mac.

Permanent redaction Scanned PDF support Offline on Mac
How it works → App Store ↗

Privacy, support and guides for every app.

Stable links, kept current as each app ships.

/legal · /contact · [email protected]