Billdu
Billdu is paid invoicing software for the web, iOS, and Android.
What Billdu is
Billdu is paid invoicing software for the web, iOS, and Android. It supports recurring invoices, online payments, payment reminders, and multi-currency invoicing. The Lite plan costs $4.99 a month, billed annually, and includes unlimited invoices, 10 clients, expense and invoice-status tracking, image attachments, and client signatures. Standard costs $9.99 a month, billed annually; it adds unlimited estimates, up to 50 clients, two team members, payment reminders, and payment receipts. Premium costs $19.99 a month, billed annually, with unlimited clients, up to 10 team members, recurring invoices, API access, and high-priority support. Billdu has no free plan but offers a 7-day trial. The listed pricing information includes one team user, while higher plans specify larger team allowances. Billdu, the maker, was founded in 2012 and is headquartered in London, United Kingdom.
Good
- Web, iOS, and Android access
- Recurring invoices and online payments
- Multi-currency invoicing
- 7-day trial available
- Higher plans add API access
Watch out
- No free plan
- Prices require annual billing
- Lite allows only 10 clients
- Premium costs $19.99 USD monthly
Who it suits
It suits individuals and teams needing invoicing across web and mobile devices. Choose among the plans based on client volume, team size, estimates, recurring billing, and API needs.
Verdict
Billdu covers core invoicing and payment tasks across three platforms, with plan limits that scale clients and team members. Its 7-day trial offers a short evaluation period before paid billing.
Plans and prices
From Billdu's own pricing page, checked 21 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Lite | $4.99 a month | unlimited invoices · 10 clients · expense tracking · invoice status tracking · image attachments · client signature · $4.99 monthly average with annual subscription; $7.99 monthly billing |
| Standard | $9.99 a month | unlimited invoices and estimates · 50 clients · 2 team members · payment reminders · payment receipts · $9.99 monthly average with annual subscription; $14.99 monthly billing |
| Premium | $19.99 a month | unlimited invoices and estimates · unlimited clients · 10 team members · recurring invoices · high-priority support · API · $19.99 monthly average with annual subscription; $27.99 monthly billing |
| Free | Free | expense tracking · instant website · accountant connection |
The facts
Each one read from Billdu's own pages, with the date it was checked.
What it does
- API availability
- API access is website-only, limited to account owners and included in Premium.checked 21 Oct 2026
- API resources
- Billdu links an API client on GitHub, Apiary API documentation, a PHP package on Packagist and a Node.js package on npm.checked 21 Oct 2026
- API scope
- The API can create clients, invoices and orders and send documents by email, but it only accepts one-way data into Billdu.checked 21 Oct 2026
- Desktop availability
- Billdu states that it has no dedicated Mac or PC application and directs desktop users to my.billdu.com.checked 21 Oct 2026
- Documentation and support
- The help center provides feature guides, troubleshooting articles, FAQs, knowledge-base content, email support and chat support.checked 21 Oct 2026
- Estimates
- Billdu supports professional quotes and estimates and can convert accepted estimates into invoices.checked 21 Oct 2026
- Expense tracking
- The product records expenses and scans receipts for organizing business spending.checked 21 Oct 2026
- Integrations
- Official pages describe integrations with Xero for accounting and Stripe and PayPal for payments.checked 21 Oct 2026
- Inventory
- The feature set includes inventory tracking, stock management and barcode scanning.checked 21 Oct 2026
- Invoice creation
- Users can create and send professional invoices from mobile apps or the web application.checked 21 Oct 2026
- Invoice tracking
- Billdu records invoice status and can notify users when an invoice is opened or viewed.checked 21 Oct 2026
- Legal entity
- Billdu's terms identify the operator as BILLDU LTD, company number 9812233, registered at Solar House, 915 High Road, North Finchley, London N12 8QJ.checked 21 Oct 2026
- Licence
- Billdu is delivered as a proprietary hosted service under Billdu LTD terms rather than as open-source software.checked 21 Oct 2026
- Limit: pricing and tier restrictions
- GetApp reviewers report that price increases and feature or invoice restrictions can make higher tiers expensive for very small businesses.checked 21 Oct 2026
- Limit: subscription recognition
- Trustpilot reviewers report paid subscriptions sometimes being shown as inactive, blocking work until support intervenes.checked 21 Oct 2026
- Limit: support responsiveness
- G2 and Trustpilot reviewers report slow, unresponsive or bot-based support responses.checked 21 Oct 2026
- Limit: technical glitches
- App Store reviewers report lost invoices, missing client names, synchronization problems and documents disappearing after updates or reinstallations.checked 21 Oct 2026
- Mobile requirements
- The iOS app requires iOS 15 or later and the Android app requires Android 6 or later.checked 21 Oct 2026
The company
- Company founded
- Billdu was founded by Erik Hudák in 2012, originally under the name miniFaktúra.checked 21 Oct 2026
- Company size
- LinkedIn lists Billdu as a privately held software-development company with 11–50 employees and headquarters in Bratislava.checked 21 Oct 2026
- Founded
- 2012checked 28 Sep 2026
- Headquarters
- London, United Kingdomchecked 28 Sep 2026
- Included team users
- 1checked 19 Sep 2026
Money
- Free plan
- Nochecked 19 Sep 2026
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