Kerythos Invoice
Invoicing · Estimates · Payments

Invoicing that gets you paid.

Quote the job, send a professional invoice, and collect by card, all from your phone. Tell Lucy what you did and she writes the invoice for you.

or create a free estimate
New: now live on the App Store
Download on theApp StoreGet it onGoogle PlayComing soon

14-day free trial · no credit card required

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Kerythos Invoice
Get paid by card2FA + biometric lockTalk to Lucy in your language

Built on tools you already trust

StripeAnthropicClaudeKethosbaseOracleAWSVercelCloudflareLinkGitHubGecadi Technology
Everywhere you work

One account. Every device.

Start on your phone, keep going on the web, and do the heavy lifting on desktop. Your clients, invoices and payments stay in sync across all of them.

iPhone & iPadAvailable now

Bill from the field and talk to Lucy, wherever the job is.

Web appAvailable now

The full app in any browser. Nothing to install.

AndroidComing soon

The same app, coming to Google Play.

WindowsComing soon

A native desktop app with offline mode, reports and finance.

macOSComing soon

The desktop experience, coming to the Mac.

Kerythos Invoice

Dashboard

This month

Outstanding

$4,820

Paid

$12,340

Overdue

$640

Revenue

Last 8 weeks

Miller Residence

INV-0042

$275.00Paid

Oak Street Café

INV-0041

$1,180.00Sent

Vega Auto

INV-0040

$640.00Overdue

The web and desktop app: dashboard, advanced reports and finance. In your browser now, on Windows and macOS soon.

How it works

From a sentence to a paid invoice

Three steps. No spreadsheets, no forms to wrestle with.

01

Say it

Tell Lucy what you did, by voice or chat. She turns it into a clean, itemized invoice.

02

Send it

Send a branded invoice by email or text, or share a link your client can open anywhere.

03

Get paid

Your client pays by card on the spot. The invoice reconciles to Paid automatically.

Speak your language, bill in English

Describe the job to Lucy in Spanish or Portuguese, and she sends the polished English invoice your client expects. Built for the way US business really works.

Why Kerythos Invoice

Built different where it counts

Not just another invoice form. It's the things that actually get you paid.

Talk, don't type

A genuinely conversational assistant builds the invoice for you, while most apps still hand you a form.

Speak Spanish, bill in English

Describe the job to Lucy in your language; your client receives a polished English invoice. Built for how US business really works.

One app, the whole job

Estimates, invoices, purchase orders, credit memos, projects and time, not just invoices, all in one place.

Closes the loop on cash

Pay-by-card, partial deposits and auto-reconcile to Paid. The invoice collects the money for you.

Nothing for clients to install

Share a hosted link and your client views, approves and pays right in the browser. No download needed.

Runs from your phone

Built to bill from the field, not a desk. Quote, send and collect between jobs.

Everything in one app

Built to bill and get paid

Quotes, invoices and the whole back office, on the device you already carry.

Estimates, invoices & more

Estimates, invoices, purchase orders, credit memos and receipts, with per-item tax, discounts and your logo.

Get paid faster

Card payments, ACH, checks and partial deposits. Clients pay online; you watch it mark itself Paid.

Projects & time tracking

Track hours and costs against each project, see budget vs billed, and turn your time into an invoice.

Looks like a real company

Customizable, professional PDF templates with your brand, and preview before you send.

Fits your trade

One system that molds to your business

Turn on only what you need. Kerythos Invoice grows from a solo freelancer to a full auto shop, with industry modules and power tools that go beyond a basic invoice.

Available

Auto Repair

VIN decode, vehicles, service history, and parts-vs-labor built in.

Available

Body Shop

A ready-to-go parts catalog and vehicle tracking for collision work.

Coming

More trades coming

Home cleaning, handyman, HVAC, painting and more, on the way.

Advanced reports

A/R aging, revenue, client ranking and tax summaries. Export to CSV.

Finance & expenses

Track expenses with receipts and see profit and loss at a glance.

Recurring & reminders

Auto-send recurring invoices, chase late payers, and add late fees.

Offline + sync

Keep working with no connection on desktop; everything syncs when you're back.

Industry and power modules are on the web app today, and coming to Windows and macOS. The iPhone app covers everyday invoicing and Lucy.

Built on trust

Serious about your money and your data

The boring stuff that matters, handled.

Payments by Stripe

Card payments run on Stripe's trusted rails, the same infrastructure used by millions of businesses.

2FA + biometric lock

Two-factor authentication and biometric unlock keep your billing locked down on your device.

Powered by Kerythos AI

Built and backed by Kerythos AI, so Lucy's intelligence comes from the same lineage.

No card to start

A 14-day free trial with no credit card. Try everything before you pay a cent.

Pricing

Simple pricing. Start free.

A 14-day free trial on every plan, no credit card required.

Starter

For solo freelancers

$5.99/mo

or $4.99/mo billed annually

Get started
  • 1 company
  • 5 invoices / month
  • 5 estimates / month
  • Card & online payments
  • Email support
Most popular

Pro

For freelancers & small businesses

$14.99/mo

or $11.99/mo billed annually

Get started
  • Up to 3 companies
  • 30 invoices / month
  • Unlimited estimates
  • Projects & time tracking
  • Purchase orders & credit memos
  • Lucy AI assistant
  • No PDF branding

Business

For accountants & multi-company owners

$34.99/mo

or $27.99/mo billed annually

Get started
  • Unlimited companies
  • Unlimited invoices & estimates
  • Everything in Pro
  • Higher Lucy AI limits
  • Priority email + chat support

It's not a cost, it's the fastest way to get paid. One invoice paid on time more than covers the month.

All plans include a 14-day free trial. No credit card required. Cancel anytime.

FAQ

Questions, answered

Everything you need to know before your first invoice.

Is Kerythos Invoice on the App Store?

Yes. Kerythos Invoice is live on the App Store for iPhone and iPad. Android, Windows and macOS are coming soon, and you can use the full app in any browser right now.

Is there a desktop app?

A native Windows app is on the way, with macOS to follow, adding offline mode, advanced reports and finance. Today you can use the web app in any browser, no download needed.

Will my clients need to install anything?

No. You send a hosted link, and your client opens it in any browser to view, approve and pay. There's nothing to download.

Are card payments safe?

Payments run on Stripe, and the app adds two-factor authentication plus biometric unlock, so your billing stays locked down.

I don't write English well. Can I still use it?

Yes. Tell Lucy what you did in Spanish or Portuguese, and she sends the polished, professional English invoice your client expects.

How much does it cost?

Plans start at $5.99/month, with a 14-day free trial on every plan and no credit card required to start.

I already use QuickBooks or FreshBooks.

Kerythos Invoice is simpler, phone-first and AI-assisted, and it speaks your language. Quote, invoice and get paid from the device you already carry.

What's included in the free trial?

14 days with Pro features unlocked, new accounts only, one per device, no credit card. Cancel anytime.

Get paid, starting today.

Download Kerythos Invoice on iPhone, or open it in your browser. Your first invoice is only minutes away.

Free account, no card. The same login works on the web and in the app.