Both work. Here's what each does better, and why Sheetful supports both.
Founder, Vault & Compass

The spreadsheet debate in personal finance communities tends to generate strong opinions. Excel loyalists point to its superior formula depth and offline reliability. Google Sheets advocates point to collaboration and cross-device access. Both camps are largely right about what they claim.
For most people, the choice comes down to what you already use and what fits your workflow, not a technical verdict. Here's an honest breakdown.
Collaboration. Google Sheets lives in the cloud by default. Sharing with a partner or spouse is a URL. Real-time simultaneous editing works without version conflicts. Version history is automatic. For couples managing finances together, this is genuinely useful.
Ecosystem integrations. =GOOGLEFINANCE("GOOG") pulls live stock prices into any cell. The Google Apps Script ecosystem makes it easy to build automations. The template library for personal finance (Vertex42, Tiller, and dozens of individual creators) skews heavily toward Google Sheets format.
Accessibility. No software to install. Works on any device with a browser.
Formula depth. Excel's formula engine is more powerful for advanced analysis. LAMBDA, LET, and dynamic array functions (FILTER, SORT, UNIQUE) exist in both, but Excel's implementation is often ahead.
Pivot tables and Power Query. For large-scale data analysis (multiple years of transaction history, complex categorization), Excel's Power Query and pivot table capabilities are more mature.
Offline reliability. Excel works without an internet connection. Google Sheets has an offline mode but it's less reliable.
Data model. Excel's internal data model and Power Pivot support analysis at scales that Google Sheets can't match.
For most people tracking household finances (monthly income, expenses, net worth, one portfolio), these advantages rarely come into play.
If you're starting from scratch with no existing preference, either works. Pick whichever you'll actually open. The best personal finance spreadsheet is the one you maintain.
If you're already embedded in one ecosystem, stay there. The switching cost almost never justifies the improvement.
Sheetful syncs your bank transactions into whichever spreadsheet you use. Connect a Google Sheet and transactions flow directly in via the Google Sheets API. Connect an Excel workbook stored in OneDrive and transactions flow there instead via Microsoft Graph.
The same pre-built templates (budgeting, net worth, cash flow) are available for both. You pick the spreadsheet tool you already trust; Sheetful handles the data pipeline.
The goal is to remove the friction that causes people to abandon their spreadsheets, not to tell you which one to use.
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