Calki: Retro OCR Calculator

Calki combines a full-featured unit converter, and a beautifully designed calculator into one lightweight app. No banners. No pop-ups. No interruptions. Ever.

Key Features

- Smart Calculator
- Live Preview: Expressions and results update in real-time as you type.
- Advanced History: Label your calculations, double-tap to reuse past results, and long-press to edit previous expressions.
- Notes: Add a personal note to any calculation so you never forget what it was for.
- Bulk Actions: Multi-select, clear, and save functions keep your history perfectly organized.
- Powerful Unit Converter
- 12 Built-In Categories: Instantly convert Length, Weight, Volume, Temperature, Speed, Pressure, Power, Force, Energy, Area, Time, and Currency without ever switching apps.
- Favorites & Workflow
- Quick-Access Favorites: Save numbers you reach for often, ike tax rates, exchange rates, or frequent measurements, so they are always just one tap away.
- Ticker Discovery System: Say goodbye to annoying tutorial pop-ups. Calki uses a subtle, self-dismissing ticker system to surface helpful tips right when they're relevant.
- Retro Theme :A nostalgic nod to old-school screens built for modern displays, complete with a classic calculator aesthetic. Free for everyone, always.

CALKI PRO
Upgrade to unlock the ultimate Calki experience. Available as a flexible monthly, yearly, or one-time lifetime purchase.

- Camera Number Scanner (OCR): Point your camera at any receipt, document, or screen to instantly extract digits for your calculations.
- Op-Mode: Auto-apply an operation (+, -, ×, ÷) after every scan. The absolute fastest way to tally receipts or handle batch entries.
- Auto-Detect: Rapid-fire scanning that instantly locks onto the dominant number on your screen.
- Manual Mode: Preview and confirm each number before it enters your expression.
- Converter Integration: The scanner works directly inside Converter Mode, letting you scan a physical value and convert it on the spot.
- Premium Themes & Customization: Take full control over how Calki looks and feels. Unlock a curated selection of premium fonts, display colors, textures, and visual effects.
- Includes the bold Industrial Theme, inspired by precision instruments (with more themes added in future updates!).

WHY CALKI?

- 100% Ad-Free: Forever. No exceptions.
- Privacy First: Minimal data collection, strictly limited to feature usage and error reporting to make the app better.
- Optimized Feel: Enjoy satisfying haptic feedback, smooth animations, and a lightning-fast startup on all devices.

Download Calki today, the smarter, cleaner way to calculate.


Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/