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Excel workbooks · One-time purchase · No subscription
Choose what fits your retirement plan
Start with the workbook you need, or get all 8 together. Review the contents and your choice on Slowshore before continuing to secure payment.
From $9 · 14-day money-back guarantee · Pay by card, Apple Pay, or Google Pay
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Built by an economist and tech founder
Christian Elkrog holds an MSc in Economics and has more than a decade of experience as a business owner, investor, and consultant, including a successful company exit.
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Transparent assumptions
Sources, assumptions, formulas, and limitations are documented so you can trace the reasoning behind each result.
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Your data stays with you
No account connection or hidden data collection. The figures you enter remain in your own files.
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14-day money-back guarantee
Full refund, no questions asked. Described in our refund policy.
Excel workbooks
Choose what fits you
Start with one workbook for $9, or get all 8 for $59. One-time purchase. No subscription.
Excel
A single tool
Excel Bundle
All 8 workbooks
The bundle includes all 8 U.S. Excel workbooks. Individually they cost $72. The bundle is a $59 one-time purchase, and you keep the files with no subscription.
Individual Excel
Per-tool prices
| Tool | Price | Status | |
|---|---|---|---|
| Retirement Calculator 2026 | $9 | Available | See workbook |
| Early Retirement / FIRE Calculator 2026 | $9 | Available | See workbook |
| RMD & Withdrawal Planner 2026 | $9 | Available | See workbook |
| Estate Organization Workbook 2026 | $9 | Available | See workbook |
| Social Security Claiming Optimizer 2026 | $9 | Available | See workbook |
| Tax-Efficient Withdrawal Sequencing 2026 | $9 | Available | See workbook |
| Home Equity in Retirement 2026 | $9 | Available | See workbook |
| Healthcare Bridge Planner 2026 | $9 | Available | See workbook |
14-day money-back guarantee
Try the tool with no pressure. If it does not fit, reply "refund" to your receipt within 14 days and the money is back on your account within 3 business days. No questions asked.
Pricing FAQ
Common questions
What is included in the bundle?
All 8 U.S. Excel workbooks: Retirement Calculator 2026, Early Retirement / FIRE Calculator 2026, RMD & Withdrawal Planner 2026, Estate Workbook 2026, Social Security Claiming Optimizer 2026, Tax-Efficient Withdrawal 2026, Home Equity in Retirement 2026, and Healthcare Bridge 2026. You get them as Excel and Google Sheets files that you keep with no subscription. Corrections to the 2026 edition are included, and you get 50% off the 2027 edition when it ships.
What if I buy one workbook first and later want the bundle?
Email support@slowshore.com within 30 days of your first purchase and we deduct what you have already paid in full from the bundle price. No questions asked.
Why 14 days money-back?
We would rather have customers who are happy than customers who feel stuck. Try the tool for 14 days. If it does not fit, you get the money back within 3 business days. If you prefer the browser version, join the beta waitlist.
What if I want the online version?
Slowshore Online is in beta right now. Join the waitlist above, or email support@slowshore.com and we will write when the next beta round opens.
Can I share with my spouse?
Yes. One license covers the household, both Excel and web app.