Centwren Budget Planner · Downloads
Know where every dollar goes, all year
Know where every dollar goes, all year. Monthly budget, 12 month tabs, sinking funds and net worth, Excel + Google Sheets.
Store › Downloads › Spreadsheet & Printables Bundles
2 CyberMax downloads for $19 instead of $26 bought separately.

| Bundle | Items | Separately | Bundle |
|---|---|---|---|
| Home Money | Centwren, Debtfell, Streakwren | $36 | $25 |
| Small Business | Ledgerfern, Marginmoor | $26 | $19 |
| Everything | all 6 downloads | $68 | $45 |
bundle prices vs. buying each item (CyberMax Store, 2 Oct 2026)
14-day money-back promise: if it doesn't work as described, email us within 14 days and we fix it or refund you in full. Refund terms.
2 CyberMax downloads for $19 instead of $26 bought separately.
Buy nowOr pay by card with Stripe3 CyberMax downloads for $25 instead of $36 bought separately.
Buy nowOr pay by card with Stripe6 CyberMax downloads for $45 instead of $68 bought separately.
Buy nowOr pay by card with Stripe2 CyberMax downloads for $19 instead of $26 bought separately.
Spreadsheets work in Microsoft Excel (2010+), Google Sheets and LibreOffice, with no macros; each comes as an example copy and a blank copy with a Quick Start PDF. Every file is recalculated and checked against an independent calculation before release.
Licence: each product's own licence (personal, business or classroom as listed on its page). One-time purchase, instant download of every zip. © 2026 CyberMax.
Checkout is handled by Polar. Your download, licence key or API key and your receipt arrive by email right after payment.
Yes. If it doesn't work as described, email us within 14 days and we fix it or refund you in full. See the refund policy.
Card details go only to Polar (merchant of record, payments by Stripe). CyberMax never sees them; sales tax or VAT is calculated at checkout.
Spreadsheet & Printables Bundles · from $19
Centwren Budget Planner · Downloads
Know where every dollar goes, all year. Monthly budget, 12 month tabs, sinking funds and net worth, Excel + Google Sheets.
Debtfell Debt Payoff Planner · Downloads
See your debt-free date, then get there faster.
Kevscope Patch Playbook + Prioritizer · Downloads
Patch what attackers actually exploit. A 6-page KEV + EPSS patch playbook and a workbook that looks up up to 2,000 of your CVEs in the…
Billsprig · For business
Billsprig makes invoices, quotes and receipts as real PDFs in your browser.
Prices and plans generated from live Polar data on 02 Oct 2026.