Fortnox vs Plex Smart Manufacturing Platform: Complete Comparison (2026)
An in-depth comparison of Fortnox and Plex Smart Manufacturing Platform to help you choose the right tool for your business.
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.
Plex Smart Manufacturing Platform
5.3/10
Cloud ERP and MES platform from Rockwell Automation that gives manufacturers accounting, consolidation, inventory costing and shop-floor control in one system.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.5/10 | 5.3/10 |
| Scalability | 6/10 | 7/10 |
| Analytics | 5/10 | 6/10 |
| Compliance | 7/10 | 7/10 |
| Integration | 8/10 | 7/10 |
| Security | 6/10 | 6/10 |
| Support | 7/10 | 4/10 |
| Cost | 6/10 | 2/10 |
| Customization | 5/10 | 5/10 |
| Ease of Use | 7/10 | 4/10 |
| Pricing | ||
| Free plan | No | No |
| Cheapest paid plan | SEK 238/mo Mini | Contact for pricing |
| Estimated cost for 10 users | SEK 238/mo Mini | Contact for pricing |
| Features | ||
| Accounts Payable | ||
| Financial Reporting | ||
| General Ledger | ||
| Invoicing | ||
| Accountant Access | Not listed | |
| Audit Trail | Not listed | |
| Bank Reconciliation | Not listed | |
| Budgeting and Forecasting | Not listed | |
| Corporate Cards | Not listed | |
| Expense Management | Not listed | |
| Inventory Accounting | Not listed | |
| Multi-currency | Not listed | |
| Multi-entity Consolidation | Not listed | |
| Payroll | Not listed | |
Fortnox vs Plex Smart Manufacturing Platform cost by team size
| Team size | Fortnox | Plex Smart Manufacturing Platform |
|---|---|---|
| 1 user | SEK 238/moMini | Contact for pricing |
| 5 users | SEK 238/moMini | Contact for pricing |
| 10 users | SEK 238/moMini | Contact for pricing |
| 25 users | SEK 238/moMini | Contact for pricing |
| 50 users | SEK 238/moMini | Contact for pricing |
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 Cost score (6/10 vs 2/10)
- Higher Support score (7/10 vs 4/10)
- Better fit for small business (9/10 vs 2/10)
Why choose Plex Smart Manufacturing Platform
- Higher Scalability score (7/10 vs 6/10)
- Higher Analytics score (6/10 vs 5/10)
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.
Plex Smart Manufacturing Platform
Pros
- Accounting, inventory and production share one cloud database, so cost of goods and inventory values update straight from shop-floor activity.
- Consolidates statements across business units and translates currencies automatically using monthly average and spot rates.
- Strong lot traceability and quality records support audits and recalls in regulated manufacturing.
- Backed by Rockwell Automation, which brings machine connectivity and industrial automation integration.
Cons
- Analysts and reviewers describe the financial management as functional but not deep compared with finance-first ERPs.
- No public pricing, and implementation commonly costs more than $100,000.
- Reviewers report a steep learning curve that needs significant training, plus rigid workflows.
- Some reviews mention outages that stopped production labeling, and support responsiveness that varies.
Not sold on either?
Frequently Asked Questions
Fortnox scores higher on our Finance Software criteria: 6.5/10 against 5.3/10 for Plex Smart Manufacturing Platform. The largest gap is in Cost: 6/10 for Fortnox and 2/10 for Plex Smart Manufacturing Platform.
No, neither Fortnox nor Plex Smart Manufacturing Platform lists a free plan.
Fortnox is the better fit for small business: we rate it 9/10 for them, against 2/10 for Plex Smart Manufacturing Platform.
