---
title: "HeartCalc - Reviews, Revenue and Downloads in Bulgaria | Apple App Store"
description: "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 at"
---

# HeartCalc — Bulgaria
> Heart Rate Training Zones

![HeartCalc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/3e/2b/16/3e2b1610-83bf-e465-c37b-292dfc5e3c69/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png)

**Developer:** [Florian Schimanke](https://apptail.io/developer/florian-schimanke-hgL)
**Category:** Health Fitness
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.flappdev.heartrater
**Store:** Apple App Store
**Country:** Bulgaria
**Version:** 1.1 (released 2025-10-20)
**Original Release:** 2025-08-08
**Languages:** German, Italian, French, English, Portuguese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/bg/app/app/id6749575285)
**AppTail Page:** [https://apptail.io/app/heartcalc-nHww/bulgaria](https://apptail.io/app/heartcalc-nHww/bulgaria)

## HeartCalc Description
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!

## HeartCalc Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/0d/0b/fd/0d0bfd49-87fb-3c72-1744-14736b73c6bc/01.png/1290x2796.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f4/99/44/f4994462-9cbf-699b-25ab-6dc80fbf83af/02.png/1290x2796.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6b/42/d2/6b42d272-a8ba-c98b-c563-096020ede5f8/03.png/1290x2796.png)







## HeartCalc Available In
- [Bulgaria](https://apptail.io/app/heartcalc-nHww/bulgaria)
- [Croatia](https://apptail.io/app/heartcalc-nHww/croatia)
- [Iceland](https://apptail.io/app/heartcalc-nHww/iceland)
- [Cayman Islands](https://apptail.io/app/heartcalc-nHww/cayman-islands)
- [Lithuania](https://apptail.io/app/heartcalc-nHww/lithuania)
- [North Macedonia](https://apptail.io/app/heartcalc-nHww/north-macedonia)
- [Malta](https://apptail.io/app/heartcalc-nHww/malta)
- [Slovenia](https://apptail.io/app/heartcalc-nHww/slovenia)
- [Slovakia](https://apptail.io/app/heartcalc-nHww/slovakia)

---

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