Free Software Invoice Template

Free invoice templates for software companies, software developers, IT vendors, app businesses, implementation teams, software consultants, licensing providers, maintenance providers, support teams, and technology service businesses. Download and edit in PDF, Word, Excel, Google Docs, or Google Sheets.

Use this software invoice template to bill for software licenses, custom software work, implementation, setup, onboarding, maintenance, support plans, upgrades, integrations, training, usage charges, subscriptions, taxes, discounts, deposits, and final client balances in a clear and professional way.

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Software Invoice Template

Download Free Software Invoice Templates

Download a template, then edit it in PDF, Word, Excel, Google Docs, or Google Sheets. Print it, save it, or send it to your client after a software license period, development milestone, implementation project, support cycle, or maintenance period is complete.

Use these templates for software vendors, app developers, custom software teams, SaaS providers, IT consultants, implementation partners, licensing providers, support teams, and technology businesses billing clients for software products and services.

How to Invoice for Software Products and Services

A good software invoice should clearly show the customer details, software product or service provided, billing period, license terms, quantities, support charges, taxes, and final amount due.

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In 5 Steps:

  1. Confirm the client details, software product, license type, service scope, billing period, user count, implementation work, support plan, discounts, taxes, deposits, and payment terms before preparing the invoice.
  2. Add invoice details such as the invoice number, invoice date, due date, customer name, company name, product name, purchase order number, contract reference, subscription ID, or license key reference.
  3. List each software charge clearly, including license fees, custom development, implementation, onboarding, maintenance, technical support, integrations, upgrades, training, hosting, storage, usage, or professional services.
  4. Separate one-time fees, recurring charges, seat-based pricing, usage charges, support costs, reimbursable expenses, discounts, credits, deposits, taxes, and the final balance due so the client can review the invoice quickly.
  5. Send the invoice with accepted payment methods, bank or online payment details, renewal notes, license terms, support notes, delivery references, and late payment terms when applicable.

With Invoize, you can create software invoices faster, save customer details, reuse common software line items, add licenses, subscriptions, implementation fees, support charges, taxes, discounts, and track paid, unpaid, and overdue invoices from your phone.

What to Include in a Software Invoice

A professional software invoice should include the details needed to identify the customer, software product, service period, license terms, charges, payment terms, and final balance.

Invoice and Customer Details

  • Invoice numberHelps track the invoice, payment record, customer account, software order, and billing history.
  • Customer name, company name, billing contact, and addressShows who purchased the software product or service and who is responsible for payment.
  • Software company, developer, vendor, or consultant detailsShows who provided the software, license, implementation, support, or professional service and where payment should be sent.
  • Product name, license reference, contract number, purchase order, or account IDConnects the invoice to the correct software product, agreement, order, approval, or finance record.
  • Invoice date, due date, service date, renewal date, or billing periodShows which software period or project phase is being billed and when payment is expected.

Software Product and Service Details

  • Software descriptionExplains the software product or service being billed, such as a license, app, custom module, integration, platform access, or implementation project.
  • License type or billing methodShows whether the charge is one-time, monthly, annual, per user, per device, per project, per milestone, or usage-based.
  • Users, seats, devices, modules, support hours, or usage unitsShows how the software quantity, license count, support time, storage, API usage, or service amount was calculated.
  • Rate, unit price, license fee, support fee, or fixed project amountShows the agreed pricing method for each software line item.
  • Delivery, implementation, support, or renewal notesGives clients context for reviewing software delivery, setup work, maintenance, support coverage, or renewal terms.

Payment and Final Notes

  • Software fees, setup fees, support fees, and reimbursable costsSeparates different software cost types so the client can review each charge clearly.
  • Discounts, credits, deposits, renewals, upgrades, or advance paymentsShows prepaid amounts, plan credits, upgrade charges, package discounts, and remaining balance.
  • Subtotal, tax, fees, and total amount dueShows the final amount the client needs to pay.
  • Payment methodsLists bank transfer, card payment, PayPal, Stripe, ACH, check, or other accepted payment options.
  • Software notes and payment termsRecords due date, late fees, license limits, renewal dates, support period, delivery status, or cancellation notes.

Billing Scenarios for Software Businesses

Use clear invoice labels so clients understand the software product, license period, implementation work, support coverage, usage charges, taxes, deposits, and final amount due.

ScenarioInvoice line itemsBest used forHow to describe it
Software license saleProduct name, license type, quantity, unit price, renewal termsSoftware vendors and app businesses selling licenses.Show whether the license is perpetual, annual, monthly, per user, or per device.
Custom software projectProject name, development phase, deliverables, fixed fee or milestone amountDevelopment teams and software consultants.Break large projects into milestones or phases for easier client approval.
Implementation serviceSetup work, configuration, migration, onboarding, training, service datesSoftware providers implementing systems for clients.Separate implementation fees from license or subscription fees.
Maintenance and support planSupport period, included hours, response level, monthly or annual feeSoftware companies offering ongoing support.Mention the coverage period and what support level is included.
Software subscriptionBilling period, plan name, user count, recurring feeSaaS and subscription software businesses.Add the service period and renewal date clearly.
Seat-based billingNumber of users, seat price, plan type, billing cycleB2B software companies with team accounts.Show the seat count and price per seat.
Usage-based billingAPI calls, transactions, storage, messages, credits, or units consumedPlatforms that charge based on usage.Add the usage period and unit rate.
Upgrade or add-on invoicePlan upgrade, new module, premium feature, prorated chargeSoftware vendors adding features or modules.Show prorated amounts and effective dates when needed.
Training or onboarding sessionTraining date, session length, attendee count, trainer feeSoftware providers offering client enablement.List training sessions separately from license fees.
Renewal invoicePrevious license, renewal period, renewal amount, due dateAnnual licenses, support renewals, and maintenance contracts.Mention the renewal period and expiration date.
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Common Charges and Fees for Software Invoices

Software invoices may include license fees, subscription fees, custom development, implementation, support, training, integrations, hosting, usage charges, discounts, taxes, deposits, and late payment fees.

Charge or serviceUnitWhen to useHow to show it
Software license feeAccess to a software product or applicationWhen selling a licenseSoftware license fee
Subscription feeRecurring access to software or a cloud platformFor monthly or annual software billingSoftware subscription fee
Custom development feeProgramming, feature work, modules, or software customizationFor custom software projectsCustom software development
Implementation feeSetup, configuration, migration, and launch supportWhen onboarding a clientSoftware implementation fee
Onboarding feeAccount setup, training, and initial guidanceFor new software customersCustomer onboarding fee
Support plan feeTechnical support, troubleshooting, and service desk helpFor ongoing client supportSoftware support plan
Maintenance feeBug fixes, patches, monitoring, and updatesFor maintenance contractsSoftware maintenance fee
Integration feeConnecting the software with another system or APIFor integration projectsSystem integration fee
Training feeUser training, admin training, or team workshopsWhen training is billed separatelySoftware training session
Usage chargeAPI calls, transactions, storage, seats, or other metered useFor usage-based billingSoftware usage charge
Hosting or storage feeServer hosting, cloud storage, backups, or infrastructureWhen hosting is billed separatelyHosting and storage fee
Upgrade or add-on feePremium modules, extra features, or plan upgradesWhen a client adds featuresSoftware upgrade fee
Tax or VATRequired tax based on location or software rulesWhen tax appliesTax / VAT
Late payment feeFee charged after the invoice due dateIf allowed by payment termsLate payment fee

Common Software Invoicing Mistakes

Software invoices should be specific about product names, billing periods, license terms, user counts, implementation work, support coverage, taxes, and payment terms. Avoid vague line items that slow down approval.

MistakeWhy it causes problemsHow to fix it
Not naming the software productClients may not know which license, app, or platform the invoice covers.Add the product name, module, plan, or account reference.
Missing the billing periodSubscriptions, support plans, and renewals become hard to verify.Add the start date, end date, renewal date, or service period.
Not separating license fees and servicesImplementation or support charges can look like hidden license costs.Separate license, implementation, support, training, and usage line items.
Leaving out user or seat countSeat-based billing can be disputed without quantity details.Show the number of users, devices, seats, or licenses.
Using vague implementation descriptionsClients may not understand what work was completed.List setup, migration, training, configuration, or integration tasks clearly.
Forgetting credits or discountsPlan changes and promotions can create billing questions.Show credits, discounts, prorations, deposits, and remaining balance.
Not explaining usage chargesMetered invoices may be disputed if usage details are unclear.Add usage period, units consumed, and unit rate.
Missing tax detailsSoftware tax rules can vary by location and product type.Add tax or VAT as a separate line when applicable.
No payment or renewal termsClients may delay payment or miss renewal deadlines.Add due date, payment methods, renewal notes, and late fee terms.
Sending invoices without support notesSupport or maintenance invoices can be unclear without coverage details.Mention support level, included hours, maintenance period, or service agreement.

Questions

Frequently Asked Questions

What is a software invoice?

A software invoice is a billing document used to charge clients for software licenses, subscriptions, custom software, implementation, onboarding, maintenance, support, training, integrations, usage charges, taxes, and final balances.

What should a software invoice include?

A software invoice should include customer details, vendor details, invoice number, invoice date, due date, product name, license or account reference, billing period, service descriptions, rates, taxes, discounts, deposits, and total amount due.

Can I use this template for software licenses?

Yes. Add the software product name, license type, quantity, unit price, license period, renewal date, tax if applicable, and payment terms.

Can I use this template for custom software development?

Yes. List project phases, milestones, development tasks, deliverables, fixed fees or hourly rates, deposits, and the remaining balance due.

Can I invoice for implementation and onboarding?

Yes. Add setup, configuration, migration, onboarding, training, and support line items separately from license or subscription charges.

Should software support be listed separately?

Yes. If support or maintenance is billed separately, include the support period, service level, included hours, and support fee so the client can review it clearly.

Can this template handle subscription software billing?

Yes. Use it for monthly, quarterly, annual, seat-based, or usage-based software subscriptions by adding the billing period, plan name, quantity, and renewal details.

How do I invoice for usage-based software charges?

Include the usage period, unit type, units consumed, unit price, subtotal, tax, and total due. Examples include API calls, storage, transactions, credits, or messages.

Can I add taxes and discounts to a software invoice?

Yes. Add tax, VAT, discounts, credits, prorations, deposits, or advance payments before showing the final amount due.

Can I use this software invoice template for SaaS?

Yes. It can be used for SaaS subscriptions, software licenses, cloud platforms, support plans, user seats, implementation work, and customer billing.

Used by Businesses Around the World

From freelancers to growing companies, Invoize helps businesses create professional invoices, manage billing, and get paid faster.