Invoicing software: how to choose one
Invoicing is the most local software category there is. What matters is rarely the feature list — it is whether the tool knows the rules, the registries and the payment habits of the country you invoice in.
What to look for
Does it know your country's requirements?
Legal invoice contents, VAT handling and electronic invoicing mandates are national. A tool that is excellent internationally may not be usable where you are.
How much typing does an invoice take?
Company lookup from a public registry, saved items and templates are the difference between two minutes and ten.
How do clients pay?
Local payment habits matter more than card support. A payment code your clients' banking apps recognise gets invoices paid faster than a payment link they ignore.
Does it match payments automatically?
Reconciling by hand is the part everyone underestimates. Check how the tool learns that an invoice was paid.
What does your accountant need?
Ask them before you choose. An export they already know beats a feature list you liked.
Do you need recurring invoices?
If you bill the same thing every month, this feature is worth more than everything else combined.
Where do the invoice lines come from?
If you bill for time or work, a tool that only issues invoices leaves you assembling the lines by hand somewhere else.
Can you get your data out?
Invoicing records outlive tools. Check the export format before you have four years of history in it.
What matters when you invoice in the Czech Republic
There is no electronic invoicing mandate for business-to-business invoices in the Czech Republic, which makes the market unusually open — though public contracting authorities must be able to receive an electronic invoice, so check that if you sell to the public sector. What there is instead is a set of conventions a tool either supports or it does not, and doing them by hand is tedious enough that most people give up.
- Company details filled from the ARES registry by IČO, so you are not retyping addresses or checking VAT numbers
- A QR payment code in the SPAYD format, which Czech banking apps read directly from the invoice
- The variable symbol carried through, so the payment can be matched back to the invoice automatically
- Legal invoice contents for a tax document, and correct handling for non-VAT-registered businesses
- An export your accountant already works with — ask them by name rather than guessing
- For VAT-registered businesses, an export carrying the details the VAT control statement needs, since invoices above 10,000 CZK including VAT are reported individually
Kinds of tool on the market
Dedicated invoicing services
Do one job and do it thoroughly, including the local details. Cheap, quick to start, and they know nothing about the work you are billing for.
Invoicing with accounting attached
Add VAT returns and the reports an accountant expects. The right answer if the accounting side is the reason you are buying.
Work tools that invoice
The invoice lines come from tracked time or completed tasks rather than being typed. Fewer accounting features, less retyping.
Full accounting systems
Complete but heavy. Generally more than a small business or a sole trader needs to issue invoices.
What the tools cost
Czech tools quote net of VAT and mostly charge per account rather than per user, so comparing them to international per-seat pricing needs care.
| Tool | Best for | Price |
|---|---|---|
| Fakturoid | Sole traders who need invoicing done properly and nothing else. | From 151 CZK a month, billed annually, excl. VAT |
| iDoklad | Invoicing tied into VAT returns and handover to an accountant. | From 187 CZK a month for the account, billed annually, excl. VAT |
| Vyfakturuj | New businesses watching every crown. | From 175 CZK a month, billed annually, excl. VAT |
| FreshBooks | Invoicing with double-entry bookkeeping, outside Czech specifics. | 23 USD a month for the account |
| Oplero | Invoices built from tracked time and approved timesheets. | Free during the beta, then 1.99 USD per user a month |
Prices checked July 20, 2026
Common mistakes
Choosing on features rather than on local fit
An international tool with a longer feature list can still be unusable if it does not know your registry, your payment format or your tax document rules.
Not asking the accountant first
The export they already work with is worth more than any feature. This is a five-minute conversation that prevents a year of friction.
Migrating issued invoices
Accounting records belong in the system that issued them. Move the client list, continue the number series, and leave history where it is.
Buying invoicing when the problem is upstream
If the hard part is working out what to bill rather than issuing the document, a faster invoicing tool will not help.
Where Oplero fits
Oplero invoices with the Czech essentials — ARES lookup by IČO, a SPAYD QR payment code, the variable symbol carried through, and automatic matching when you forward the bank notice. What makes it different from a dedicated invoicing service is where the lines come from: tracked hours collect into a timesheet, the client approves it through a link, and the approved version becomes the invoice. If you only issue invoices, a specialist tool is cheaper and quicker. If you spend longer working out what to bill than issuing the document, this is the part that changes.
Frequently asked questions
What is the cheapest invoicing software in the Czech Republic?
Among the tools here, Fakturoid starts at 151 CZK a month billed annually excluding VAT, Vyfakturuj at 175 CZK and iDoklad at 187 CZK. All three have free tiers with low limits. Oplero is free for everyone during its beta.
Does invoicing software need to handle ARES and QR payments?
It is not a legal requirement, but doing it by hand is tedious enough that it decides the choice for most people. Registry lookup removes the retyping and a SPAYD QR code gets invoices paid noticeably faster.
Should I switch invoicing software mid-year?
You can, but do not migrate issued invoices. Move the client list, continue the invoice number series in the new tool from where the old one stopped, and leave the accounting history where your accountant already filed it.