Excel is the reference point for every spreadsheet app, so this comparison is specific: formulas, pivots, file fidelity, AI and price.
Where Excel is strong
Excel deserves its reputation in a few areas:
- Power Query, Power Pivot and data models for enterprise-scale analysis.
- VBA macros and industry-specific add-ins that companies have built over decades.
- Very large workbooks and extreme calculation performance at the top end.
If your workflows depend on those, keep Excel for those jobs.
Where RixSheets wins
RixSheets takes a different bet: a native Rust xlsx engine plus AI that is included, not upsold:
- Full formula engine. Math, statistical, financial, logical, lookup, text and date-time functions — SUMIFS, VLOOKUP, INDEX/MATCH, IRR, NPV, PMT and hundreds more — with an Insert Function dialog, formula view and trace arrows.
- Real analysis tools. Pivot tables with pivot charts, slicers, timeline panel, subtotal, consolidate, advanced filter, dedupe, data validation and conditional formatting.
- AI chat with workbook tools on every plan. The assistant reads your ranges, formats and sheet features, proposes operations, explains formulas and summarizes data — with unlimited pages on all plans, including the $0.59 Starter.
- Rust xlsx sidecar. A native engine that opens and saves .xlsx quickly while preserving formatting.
- Price. One subscription covers Docs, Sheets, Slides, PDF and Markdown from $0.59/month. Copilot in Excel requires a Microsoft 365 Copilot license.
Side-by-side
| Aspect | Rixoffice (RixSheets) | Microsoft Excel |
|---|---|---|
| Starting price | $0.59/month (all five apps) | Microsoft 365 subscription |
| AI analysis | Included on every plan, unlimited workbook AI | Copilot add-on, extra cost |
| .xlsx fidelity | Rust engine, open and save | Native format |
| Pivot tables | Yes, with pivot charts and slicers | Yes, deepest implementation |
| Local AI (Ollama) | Yes, on Pro API & Local plan | No |
| Fully offline | Editing and saving always; AI too with Ollama | Editing yes; Copilot needs cloud |
| Platforms | Windows, macOS, Linux | Windows, macOS, web |
| Power Query / VBA | No | Yes |
Who should choose which
- Choose Rixoffice if you want a capable formula-and-pivots spreadsheet with AI included, offline work and honest .xlsx compatibility — without paying for an AI add-on every month.
- Choose Excel if you need Power Query pipelines, VBA or workbooks that push into millions of rows.
A common setup: heavy data engineering stays in Excel or a database; day-to-day modelling, budgeting and AI-assisted analysis happen in RixSheets.