Is SpreadsheetConverter a one-time purchase?

Yes. SpreadsheetConverter is sold as a lifetime license starting around $254, with no recurring monthly fees, rather than as a subscription.

Does SpreadsheetConverter host my web app for me?

No. SpreadsheetConverter is an Excel add-in that generates HTML/JavaScript output, which you then host yourself. Appizy hosts the published app for you as part of the service.

Are my formulas visible to users with SpreadsheetConverter?

SpreadsheetConverter's output runs calculations client-side in the generated page, so the logic is present in the page's code. Appizy runs formulas server-side, so end users don't see the underlying logic.

Appizy vs SpreadsheetConverter: SaaS vs One-Time License in 2026

Last verified: September 15, 2026, against SpreadsheetConverter's own website.

SpreadsheetConverter takes a different shape from most tools on this list: it’s an Excel add-in you install and buy once, rather than a hosted service you subscribe to. That’s a real, deliberate difference in philosophy — not a case of one being simply “better.”

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Appizy vs SpreadsheetConverter at a glance

	Appizy	SpreadsheetConverter
Delivery model	Hosted SaaS	Excel add-in you install locally
Pricing model	Free plan, paid plans from $12/mo ($9/mo billed yearly)	One-time license from $254, no monthly fees
Hosting	Included	You host the generated files yourself
Updates when you change the spreadsheet	Re-upload and republish in the browser	Re-run the add-in in Excel and re-upload the output yourself
File formats	.xlsx and .ods	.xlsx (Excel add-in)
Formula protection	Runs server-side, hidden from end users	Runs client-side in the generated page

Where SpreadsheetConverter is strong

If you dislike recurring subscriptions, SpreadsheetConverter’s one-time license (from $254) is a real advantage — pay once, keep using the add-in indefinitely. It also runs the calculation logic client-side in the generated HTML/JavaScript page, which means there’s no server dependency at runtime once the file is generated: you host it wherever you like, including on infrastructure you already control.

Where Appizy is strong

No hosting or install to manage. Appizy hosts your published app; there’s no local add-in to install, keep updated, or reinstall on a new machine.
Formulas stay off the page. Because Appizy calculates server-side, your formulas and business logic aren’t visible in the page’s client-side code the way a client-side-rendered converter’s output can be.
Faster iteration. Updating a live app is upload → publish from a browser, without re-running a desktop add-in and manually re-deploying the output files.
LibreOffice support. SpreadsheetConverter is an Excel add-in; if your source file is a LibreOffice/ODS spreadsheet, Appizy reads it directly.

Choose SpreadsheetConverter if…

You strongly prefer a one-time purchase over any recurring subscription.
You already have somewhere to host static HTML/JS output and want full control over that hosting.
Your calculation logic isn’t sensitive enough to matter if it’s visible in the page’s client-side code.

Choose Appizy if…

You’d rather not manage hosting, installs, or manual redeployment when your spreadsheet changes.
You want your formulas and business logic to stay server-side, out of view.
Your source file is in LibreOffice/ODS format, or you switch between Excel and LibreOffice.

Skip the install — publish straight from your browser

Upload your spreadsheet and Appizy hosts and updates it for you.

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