CalBook

A paper tape calculator for iPhone. Add up receipts, label every line, keep a sheet per client or month.

• An editable tapeEvery line stays visible. Tap one to fix it and the total updates instantly.
• A sheet for every jobSeparate sheets for each client, project or month. Share as text, an image, or a link.
• CalBook ProLine comments, highlights, PDF and CSV export, unlimited sheets, seven Pro themes. One-time purchase, no subscription.
• Private by designYour sheets stay on your iPhone. No accounts, ads, analytics or tracking.