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AI-assisted bookkeeping.Swiss control included.

Smart Inbox, AI receipt capture, and booking suggestions prepare the work. You review – with QR invoices and double-entry bookkeeping in one app.

No credit card required

Developed in Switzerland

Transparent AI processing

30

days free

4

languages

Review

before posting

From receipt to balance sheet.In one app.

This is what your day looks like in Slonge Billing – real screen recordings, not mockups.

  1. Expenses

    Receipts pile up on your desk

    AI extracts fields – you review the draft

  2. Invoices

    Writing invoices takes forever

    Automatic invoices from tracked time and materials

  3. Overview

    Bookkeeping is complicated and time-consuming

    AI-powered booking suggestions following Swiss standards

AI with control

AI prepares. You decide.

Three connected workflows reduce data entry without giving up control of your bookkeeping.

  1. 1

    Smart Inbox

    Turn emailed receipts and supplier invoices into reviewable drafts.

  2. 2

    AI receipt capture

    Accept or complete recognized fields and review them before saving.

  3. 3

    Booking suggestions

    Receive account and VAT-code suggestions from the existing Swiss chart of accounts.

Everything you need

From receipt capture to balance sheet and income statement

Swiss QR-Bill

Create professional invoices with automatic QR payment slip. Compliant with Swiss standards.

  • Automatic QR payment slip
  • PDF export and email sending
  • Status tracking (draft to paid)
Swiss QR-Bill

AI Receipt Scanning

Photograph receipts. AI reads relevant fields and fills a draft for you to review before saving.

  • Automatic text recognition (OCR)
  • AI-powered categorization
  • Booking suggestions
AI Receipt Scanning

Smart Inbox

Forward receipts and PDF supplier invoices by email. Slonge creates reviewable drafts in the appropriate workflow.

  • Personal inbox address
  • Receipt and supplier-invoice drafts
  • Account and VAT-code suggestions for expenses
  • Save, post, or discard

AI Booking Assistant

The booking assistant uses your inputs and existing chart of accounts to prepare reviewable account and VAT suggestions.

  • Account suggestions from the existing chart
  • VAT suggestions
  • Warnings for unclear accounts
  • Review the draft before posting
  • Integrated chat assistant for questions

Double-Entry Bookkeeping

Swiss SME chart of accounts integrated. Balance sheet and income statement at the click of a button.

  • Swiss SME chart of accounts
  • Automatic booking suggestions
  • Balance sheet & income statement
  • Export for Abacus, ASR

Client Management

Manage all customer data centrally. Contacts, addresses, and invoice history.

  • Central contact management
  • Invoice history per customer
  • Notes and documents
Client Management

Reports & Export

Meaningful reports and exports for your accountant or tax return.

  • Balance sheet & income statement
  • VAT settlement
  • Export for tax software
Reports & Export

Transparent pricing

Choose the right plan for your business

Early adopter price until end of 2026
30 days free

Trial

30 days free access to all features

Free
  • All AI Pro features
  • Up to 10 users
  • 1000 AI calls
  • Test custom logo
  • No credit card required
Start free

Standard

For freelancers and small teams

CHF14,90/month

CHF 19.90/month

  • 20 projects
  • 3 users included
  • 1 GB storage
  • 100 AI calls/month
  • Swiss QR-Bill
  • Email support
  • Custom logo
  • Priority support

+CHF 4.00/month per additional user

Choose Standard
Popular

AI Pro

Full feature set for growing businesses

CHF29,90/month

CHF 39.90/month

  • Unlimited projects
  • 10 users included
  • 10 GB storage
  • 1000 AI calls/month
  • Swiss QR-Bill
  • Custom logo & domain
  • Priority support
  • Export Abacus/ASR

+CHF 5.00/month per additional user

Choose AI Pro

VAT included

Frequently asked questions

Yes! You get 30 days free access to all features – no credit card required. After that, simply choose a suitable plan.

Core application data is stored in Switzerland. When AI features are used, selected inputs or document content may be sent to OpenAI for processing. See the privacy policy for details.

Yes, you can cancel at the end of the month and export your data beforehand. Data is deleted after a transition period unless legal retention duties apply.

Photograph a receipt. AI attempts to read the date, amount, currency, and vendor and fills a draft. You review and complete the details before saving.

Yes, all plans include automatic Swiss QR-Bill generation. You just need to enter your IBAN or QR-IBAN in the settings.

Yes, you can export bookings in Abacus and ASR format. VAT statements can also be easily created and exported.

Ready to simplify your bookkeeping?

Start today with 30 days of free access

Start free now
  • No credit card
  • 30 days free
  • Cancel anytime