| What it does | Free Karvonen formula heart rate zone calculator
| Privacy-first financial calculators with zero tracking and no data collection
|
|---|
| Stage | Established
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Free
| Freemium
|
|---|
| Pricing | Not given
| Free: 14 calculators (lifestyle, regional, utility) free forever with ads; 3 daily calculations on financial calculators. Pro: $9.99/month (30 days) or $79/year (365 days, save $40.88)
|
|---|
| Key features | - Five personalized training zones based on heart rate reserve
- Accounts for resting heart rate and cardiovascular fitness
- Custom maximum heart rate input from multiple formulas
- No signup required, runs entirely in browser
- Weekly resting heart rate logging and progress tracking
- Zone-specific training guidance for different goals
- Shareable and printable zone results
- Embeddable calculator widget for websites
| - 19 specialized calculators covering financial, lifestyle, utility, and regional categories
- Zero data collection with all calculations performed locally in browser
- Multi-currency support for USD, EUR, GBP, INR, CAD, AUD, JPY, SGD
- Professional PDF reports with charts, tables, and analysis
- Works offline with PWA functionality
- No registration required for any calculator
- Embed calculators on websites with responsive iframe code
- SIP calculator with smart analysis and inflation consideration
- Regional calculators for 8 countries with local market data
- Mobile-first design optimized for touch-friendly interfaces
|
|---|
| What makes it different | - More accurate than age-only formulas, accounting for individual cardiovascular fitness
- Zones adapt as your fitness improves and resting heart rate drops
- Based on 1957 Karvonen research used by coaches and sports scientists
- Independent, no data collection or external servers
- No ads inside the calculator, free to use with optional embedding
| - Complete privacy protection with zero data collection and no tracking
- Industry-standard formulas verified by financial professionals at accessible pricing
- No registration or sign-up required to access any calculator
- All calculations happen locally in your browser with offline capability
- Free tier includes 14 calculators completely free forever with no limits
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 11 ● no change since last check | 9 ● no change since last check |
|---|
| Trust Flow (Majestic) | 19 | 3 |
|---|
| Citation Flow (Majestic) | 25 | 25 |
|---|
| Referring domains (Majestic) | 40 | 16 |
|---|
CalculateMyHeartRate
CalcIQ