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.
Expenses
Receipts pile up on your desk
AI extracts fields – you review the draft
Invoices
Writing invoices takes forever
Automatic invoices from tracked time and materials
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
Smart Inbox
Turn emailed receipts and supplier invoices into reviewable drafts.
- 2
AI receipt capture
Accept or complete recognized fields and review them before saving.
- 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)

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

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

Reports & Export
Meaningful reports and exports for your accountant or tax return.
- Balance sheet & income statement
- VAT settlement
- Export for tax software

Transparent pricing
Choose the right plan for your business
Trial
30 days free access to all features
- All AI Pro features
- Up to 10 users
- 1000 AI calls
- Test custom logo
- No credit card required
Standard
For freelancers and small teams
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 StandardAI Pro
Full feature set for growing businesses
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 ProVAT 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
