AetherTime vs spreadsheets

A spreadsheet is free, familiar, and works offline. It is also where wrong hours, double-counted time, and missing invoices come from. Here is the honest trade-off.

Why spreadsheets fail at billing

Every practitioner starts with a sheet. It is free and it works — until it does not. The failure modes are almost always the same:

You forget to start or stop the timer. A manual cell needs a human to remember, at the exact moment they are busy doing billable work.
The totals drift. A formula changed in one row, a deleted column, a hidden filter, and the invoice is quietly wrong.
Rounding is manual and inconsistent. Six-minute legal increments by hand invite both under-billing and disputes.
There is no invoice. The sheet gives you hours; you still rebuild a document to send the client.
It does not travel. One file, one machine, one night of lost work if the laptop dies.

A spreadsheet costs your time, and it costs you the hours you forget to bill. AetherTime costs $99 once and puts a real timer, correct rounding, and a PDF invoice in one place — still offline, still yours.

Where they differ

AetherTime is not trying to replace every spreadsheet. It replaces the one job a sheet is worst at: tracking billable time accurately and turning it into an invoice. You still get Excel and CSV export, so the data can go back into a sheet whenever you want.

	AetherTime	Spreadsheets
Pricing	$99 one-time	Free
One-click timer, incl. auto-pause	✓	✗ manual entry
Configurable rounding (1/6/15/30 min)	✓	✗ manual
PDF invoices from the data	✓	✗
Works offline / from USB	✓	✓ (if the file is local)
Data stays on your machine	✓	✓
Spreadsheet access to the raw data	✓ Excel / CSV export	✓
Automatic backups	✓ rotating local backups	✗ whatever you set up

AetherTime exports to Excel and CSV, so you are never locked out of a spreadsheet workflow.

When a spreadsheet is still right

If you bill a flat fee, track only a few hours a month, or genuinely enjoy maintaining the sheet, keep it. AetherTime earns its $99 when you bill by the hour for more than two or three clients and the cost of one forgotten timer or one wrong invoice is more than the price of the app.

Common questions

Is AetherTime worth it over a free spreadsheet?

If you bill by the hour for several clients, usually yes. The app pays for itself the first time it prevents a forgotten timer or a wrong total. If you bill a flat fee or track very little time, a spreadsheet may be all you need.

Can I export AetherTime data to a spreadsheet?

Yes. AetherTime exports to Excel and CSV, including an itemized time-savings breakdown, so you can keep using a spreadsheet for anything the app does not cover.

Does AetherTime work offline like a local spreadsheet?

Yes. It is a desktop app with a local database. It runs offline and from a USB drive, and your data stays on your machine, the same way a local spreadsheet file does.

Ready to stop renting your time tracker?

Private beta is open. Email us for a free copy before launch — no account, no credit card, no data sent anywhere.

Request Beta Access

Also compare: AetherTime vs Clio · AetherTime vs Toggl · AetherTime vs Clockify · AetherTime vs Harvest · One-time purchase · Runs from a USB drive · For freelancers & consultants · AI email triage · How tuning works