# HeartCalc — Heart Rate Training Zones

> Calculates personalized heart rate training zones using multiple scientific formulas. (iPhone/iPad app by Florian Schimanke.)

- Source: https://appshunter.io/ios/app/heartcalc/id6749575285 (this page in markdown: same URL + `.md`)
- Developer: [Florian Schimanke](https://appshunter.io/developer/288399510)
- Category: Health & Fitness, Sports
- Price: $0.49
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 12+
- Requires: iOS 16.6 · 1 MB
- Languages: American English, French (France), German (Germany), Italian, Brazilian Portuguese, European Spanish
- Released: 2025-08-08
- Data updated: 2026-08-09
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/heartcalc/id6749575285/reviews.md

## What is HeartCalc?

Transform Your Training with Precision Heart Rate Zones!

Unlock your fitness potential with the most comprehensive heart rate calculator on the App Store. Whether you're a weekend warrior or elite athlete, discover your optimal training intensity for maximum results.

8 PROVEN FORMULAS
- Sally Edwards & Winfried Spanaus
- Classic Fox & Haskell formula
- Modern Tanaka & Gellish methods
- Latest Nes research (2013)
- Gender-specific Gulati & Miller formulas

COMPLETE TRAINING ZONES
Get personalized heart rate zones instantly:
- Warm-up Zone (50-60%) - Recovery & preparation
- Fat Burn Zone (60-70%) - Optimal fat burning
- Aerobic Zone (70-80%) - Endurance building
- Anaerobic Zone (80-90%) - Performance improvement
- VO₂ Max Zone (90-100%) - Peak athletic performance

KEY FEATURES

- Clean, modern interface following Apple design guidelines
- Instant calculations with detailed explanations
- Automatic data saving - your age and weight remembered
- Multiple language support
- No ads, no subscriptions, no data collection

PERFECT FOR

- Runners preparing for marathons
- Cyclists optimizing training rides
- Gym enthusiasts maximizing workouts
- Personal trainers guiding clients
- Anyone serious about fitness results

Stop guessing your training intensity. Start training smarter with science-backed heart rate zones that deliver real results!

## Key features

- 8 proven heart rate formulas
- Personalized training zones
- Instant calculations
- Detailed explanations
- Automatic data saving
- Clean interface

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/heartcalc/id6749575285/reviews.md

### 5/5 — Outstanding!

*2025-08-16*

The HeartCalc app offers eight heart rate calculation formulas; two of which are gender-specific. (Scientific research links are included in the app as well.)

## Frequently asked questions about HeartCalc

### What heart rate formulas does HeartCalc use?

HeartCalc utilizes 8 proven formulas, including those by Sally Edwards & Winfried Spanaus, Classic Fox & Haskell, Tanaka & Gellish, Nes research (2013), and gender-specific Gulati & Miller formulas.

### What are the different training zones provided by HeartCalc?

HeartCalc provides personalized heart rate zones for Warm-up (50-60%), Fat Burn (60-70%), Aerobic (70-80%), Anaerobic (80-90%), and VO₂ Max (90-100%) to optimize different aspects of your training.

### How much does HeartCalc cost?

HeartCalc is a paid application, available for a one-time purchase of $0.49.

### Does HeartCalc have ads?

No, HeartCalc is ad-free. The app explicitly states 'No ads, no subscriptions, no data collection' in its description.

### What devices is HeartCalc compatible with?

HeartCalc is currently supported on iPhone devices.

### How often is HeartCalc updated?

The latest version of HeartCalc is 1.1, and it was last updated on October 20, 2025. This indicates a recent update and ongoing support.

### What is the age rating for HeartCalc?

HeartCalc has an age rating of 12+, making it suitable for a wide range of users interested in fitness.

### Does HeartCalc integrate with other health apps?

The provided description does not mention integration with other health apps. However, it focuses on providing precise heart rate zone calculations directly within the application.

## Version history (last 2 releases)

### 1.1 — 2025-10-20

Liquid Glass for iOS 26 is here!!!

- Code optimizations
- Bug fixes

### 1.0 — 2025-08-08

No release notes.

## Apps similar to HeartCalc

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Heartino: Heart Rate Monitor](https://appshunter.io/ios/app/heartino-heart-rate-monitor/id6755693818) | — | Free | Health & Fitness |
| [Stillness Timer](https://appshunter.io/ios/app/stillness-timer/id6743715831) | — | Free | Health & Fitness |
| [Void — Meditation](https://appshunter.io/ios/app/void-meditation/id6738365261) | 5.0 (3) | Free | Health & Fitness |
| [Dōan - Meditation Timer](https://appshunter.io/ios/app/doan-meditation-timer/id6744551173) | — | Free | Health & Fitness |
| [Mindful Sound Timer](https://appshunter.io/ios/app/mindful-sound-timer/id6751171293) | — | Free | Health & Fitness |

## More apps by Florian Schimanke

- [Long-2-Short - Link Shortener](https://appshunter.io/ios/app/long-2-short-link-shortener/id486511473)
- [WiFi Priority](https://appshunter.io/ios/app/wifi-priority/id963277048)
- [4Memo](https://appshunter.io/ios/app/4memo/id964039336)
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- [Make My Day: AI Trip Planner](https://appshunter.io/ios/app/make-my-day-ai-trip-planner/id6744061128)
- [City Route](https://appshunter.io/ios/app/city-route/id6745181919)

All apps by Florian Schimanke: https://appshunter.io/developer/288399510

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-09.*