Fortnox vs KashFlow Comparison
Compare Fortnox vs KashFlow features, pricing, and more.
Last updated: November 2026
Fortnox
6.5/10
Swedish cloud accounting platform covering bookkeeping, invoicing, payroll, supplier invoice approval and reporting for small and mid-sized Swedish businesses and accounting firms.
KashFlow
5.3/10
KashFlow is a UK cloud accounting package from IRIS for sole traders and small businesses. It covers invoicing, bank feeds, VAT filing, and basic payroll.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.5/10 | 5.3/10 |
| Scalability | 6/10 | 3/10 |
| Analytics | 5/10 | 5/10 |
| Compliance | 7/10 | 6/10 |
| Integration | 8/10 | 5/10 |
| Security | 6/10 | 5/10 |
| Support | 7/10 | 3/10 |
| Cost | 6/10 | 8/10 |
| Customization | 5/10 | 3/10 |
| Ease of Use | 7/10 | 6/10 |
| Pricing | ||
| Free plan | No | No |
| Cheapest paid plan | SEK 238/mo Mini | £14/mo Starter |
| Estimated cost for 10 users | SEK 238/mo Mini | £28/mo Business |
| Features | ||
| Accountant Access | ||
| Expense Management | ||
| Financial Reporting | ||
| General Ledger | ||
| Invoicing | ||
| Payroll | ||
| Accounts Payable | Not listed | |
| Bank Reconciliation | Not listed | |
| Corporate Cards | Not listed | |
| Inventory Accounting | Not listed | |
| Multi-currency | Not listed | |
| Online Payments | Not listed | |
| Tax Compliance | Not listed | |
Fortnox vs KashFlow cost by team size
| Team size | Fortnox | KashFlow |
|---|---|---|
| 1 user | SEK 238/moMini | £14/moStarter |
| 5 users | SEK 238/moMini | £28/moBusiness |
| 10 users | SEK 238/moMini | £28/moBusiness |
| 25 users | SEK 238/moMini | £28/moBusiness |
| 50 users | SEK 238/moMini | £28/moBusiness |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Fortnox
- Higher Support score (7/10 vs 3/10)
- Higher Scalability score (6/10 vs 3/10)
- Better fit for accountants and bookkeepers (9/10 vs 6/10)
Why choose KashFlow
- Higher Cost score (8/10 vs 6/10)
Pros & Cons
Fortnox
Pros
- More than 500 integrations, and one 189 kr licence covers all of them.
- A single platform covers bookkeeping, invoicing, payroll, supplier invoice approval, payments and a company card, which suits Swedish SMEs.
- Accounting firms get a dedicated bureau package for working in their clients' books.
- New companies get six months free, and every new subscription has a 30-day open purchase period.
- Trustpilot and Shopify app reviewers frequently praise customer service and sync reliability.
Cons
- Usage fees for invoices, paid employees and interpretations, plus an Access fee that scales with activity, make total cost hard to predict.
- Three-month agreements cost 15 percent more than the 12-month list prices.
- The product is Swedish-focused, and users have asked for an English interface.
- Some users call the reporting tools dated and say neobank integrations such as Revolut are missing.
KashFlow
Pros
- Low entry price, with steep introductory discounts for new customers
- Payroll for up to five employees is included rather than sold separately
- VAT management and online submission are built into both plans
- Stock control and multi-currency are included even on the cheapest plan
- Accountants can use KashFlow Connect at no charge
Cons
- The Starter plan caps invoices at 10 and bank reconciliation at 25 transactions, and allows only one user
- Reviewers call it too basic for medium-sized businesses and difficult to customise
- Very low Trustpilot rating (1.4) and app store ratings, with complaints about customer service
- The API is SOAP-based, and some reviewers say it integrates less well than rivals
Not sold on either?
Frequently Asked Questions
Fortnox scores higher on our Finance Software criteria: 6.5/10 against 5.3/10 for KashFlow. The largest gap is in Support: 7/10 for Fortnox and 3/10 for KashFlow.
No, neither Fortnox nor KashFlow lists a free plan.
Fortnox is the better fit for accountants and bookkeepers: we rate it 9/10 for them, against 6/10 for KashFlow.
