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dofun.app Studio · Native iOS & macOS

Calm tools for everyday tasks.

Thoughtful, single-purpose utilities built with local-first privacy, zero advertisements, and dignified simplicity.

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Explore Flagship Apps
100% On-Device Privacy
Zero Ads or Trackers
Offline & Local-First
ItemizeReceipt iPhone Screenshot

Featured Flagships

Built to solve one task with precision.

Explore our three primary utilities designed for quiet focus, offline reliability, and absolute privacy.

Finance & Expenses

ItemizeReceipt

Turn paper receipts into clean, editable items in seconds. Automatic on-device OCR extracts line items, calculate splits, and exports professional PDFs without uploading sensitive financial receipts.

  • Smart Auto-OCR: Instant photo recognition without internet connection.
  • Bill Splitting: Divide totals effortlessly between teammates or dining partners.
  • Clean Export: Share formatted itemized receipts for tax and reimbursement.
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App Store
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ItemizeReceipt iPhone Screenshot
AllergyCard iPhone Screenshot
Travel & Health

AllergyCard

Clear, dignified food allergy communication cards for dining abroad and emergency situations. High-contrast typography and accurate translations ensure waiters and chefs understand critical dietary boundaries.

  • One-Screen Glance: Large bold text formatted for restaurant staff readability.
  • Multilingual Translations: Translate severe food allergies into local languages.
  • 100% Offline Emergency Access: Never depend on cellular roaming in foreign countries.
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App Store
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Privacy & Security

SnapRedact

Hide sensitive information in screenshots before sharing them online or in team chat. On-device Vision Machine Learning automatically detects credit cards, emails, phone numbers, and addresses for single-tap redaction.

  • Smart Auto-Detect: Automatically spots private text fields and sensitive patterns.
  • Multiple Redaction Styles: Smooth Gaussian blur or solid impenetrable color blocks.
  • Zero Server Uploads: Built entirely on Apple Vision Framework. No images leave your device.
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App Store
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SnapRedact iPhone Screenshot
Curated Catalog

Complete App Catalogue

All 15 calm, focused utilities organized by platform.

Browse Full Directory with Filters

iOS & iPadOS Utilities

14 Apps

Single-purpose daily assistants engineered for iPhone and iPad with offline-first local data storage.

macOS Desktop Utilities

1 App

Lightweight menu bar accessories and presentation tools crafted specifically for Mac workflows.

Studio Philosophy

Why we build calm apps.

Modern software is overcrowded with invasive tracking, deceptive subscriptions, and infinite notifications. We craft tools that do the opposite.

Private by Architecture

We don't maintain servers collecting your financial receipts, health cards, or habits. All calculations happen on Apple silicon.

No Ad SDKs or Traps

Zero full-screen ads, no background data brokers. We believe in transparent one-time purchases and respectful trials.

Single-Task Dignity

Each app handles one workflow thoroughly. You open it, get your task accomplished in under 30 seconds, and get back to life.

Follow new app releases

We continuously design new calm tools. Leave your email to receive launch notifications whenever a new utility is released on the App Store. No promotional spam.