Dundue: Invoice Reminders

Get invoices paid, politely

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

You did the work. Dundue helps you get paid for it — politely. Track the invoices you're waiting on, and Dundue tells you exactly when to follow up and writes the email for you: a six-step reminder ladder that escalates from a friendly heads-up (3 days before due) to a firm final notice (30 days past), every message professional, courteous, and ready to send from your own mail app. • See what's outstanding and overdue at a glance • A "reminders to send" queue so nothing slips • Six polite templates, from courtesy note to final notice • Sent reminders are logged — the ladder never repeats itself • Clients with balances, payment tracking, write-offs • Versioned JSON backup you control • Light and dark mode Private by design: everything stays on your phone. No account, no servers, no tracking — and every email goes out from your address, not ours. Free for your first 15 invoices. One $9.99 purchase unlocks unlimited invoices, forever. Pay once. Own it forever. No subscription. The Pro unlock is $9.99, one time.

Ratings & Reviews

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Small improvements, including a one-time prompt asking how you're liking the app.

Version 1.1

The developer, Simon Shih, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Simon Shih
Size
  • 38.2 MB
Category
  • Business
Compatibility
Requires iOS 16.4 or later.
  • iPhone
    Requires iOS 16.4 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 SimonBuilds
  • Privacy Policy

    • More by Simon Shih