| What it does | Free FIRE financial planner with Monte Carlo simulation and historical backtesting
| Free on-screen ruler and measuring tools with calculators
|
|---|
| Stage | Established
| Startup
|
|---|
| Founded | 2019
| 2026
|
|---|
| Based in | Not given
| AE
|
|---|
| Pricing model | Free
| Free
|
|---|
| Pricing | Not given
| Free tools; RulerNest Pro (ad-free version with saved calibrations) coming soon with no pricing announced yet.
|
|---|
| Key features | - Monte Carlo simulation with up to 5,000 runs
- Historical backtesting against every market period since 1872
- US federal, state and payroll tax calculations for all 50 states
- Roth conversion ladder and RMD planning
- Six stress tests including market crash and job loss
- Three withdrawal strategies with 59.5 rule enforcement
- Support for 9 asset types with individual growth rates
- Month-by-month income and expense modeling with custom timelines
- Life event planning
- 9-currency support with auto-detection
| - On-screen ruler calibrated with bank card to 0.5 mm precision
- Unit converter for length, weight, temperature, area, volume
- BMI calculator with WHO bands
- Loan and EMI calculator with interest schedule
- Printable ruler for A4 and Letter paper
- No data collection or email required
- Offline access via service worker
|
|---|
| What makes it different | - Runs entirely in your browser with no account needed or data stored on servers
- Tests retirement against 154 years of historical market data since 1872
- Calculates exact tax liability for all 50 US states plus federal and payroll taxes
- Completely private with no data collection, selling or sharing
- Works offline on Android with full planner functionality
| - All calculations performed locally with no data sent to servers
- 23 specialized tools all in one place for measuring and everyday calculations
- Works offline and saves preferences locally on your device
- Designed specifically for United States and Canada with Imperial units as default
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 12 ● no change since last check | Not checked yet ● no change since last check |
|---|
| Trust Flow (Majestic) | 4 | 0 |
|---|
| Citation Flow (Majestic) | 34 | 0 |
|---|
| Referring domains (Majestic) | 127 | 0 |
|---|
firenum™
RulerNest