Best Fat Burn In Zone 2 Apps

240+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

Fat Burn is the household name in fat burn in zone 2, but it's far from the only option. We track 240+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Fat Burn In Zone 2 Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fat Burn: Weight Loss TrackerFat Burn: Weight Loss TrackerFree4.6★ (41)NoYesOct 2026
2Zone2 — Heart Rate ZonesZone2 — Heart Rate ZonesFree—NoNoJun 2026
3Zone 2: Heart Rate TrainingZone 2: Heart Rate TrainingFree4.6★ (243)NoYesOct 2026
4Zone 2 - Fat loss & EnduranceZone 2 - Fat loss & EnduranceFree—NoYesOct 2026
5BURN LABURN LAFree5.0★ (331)YesNoOct 2026
6Zone2 PulseZone2 PulseFree—NoNoMay 2026
7Lose Belly Fat | Flat TummyLose Belly Fat | Flat TummyFree4.7★ (32)YesYesOct 2026
8Heart Rate Zone MonitorHeart Rate Zone MonitorFree1.0★ (1)NoNoOct 2026

Top Picks for Fat Burn In Zone 2

Zone 2: Heart Rate Training#3

Zone 2: Heart Rate Training by Shannon Bolick

VO2 Max, Cardio & HR Zones
Worth Considering
💪 Health & Fitness
4.6😊(243 ratings)
FreeIn-App Purchases
Zone 2: Heart Rate Training screenshot 1
Zone 2: Heart Rate Training screenshot 2
Zone 2: Heart Rate Training screenshot 3
Zone 2: Heart Rate Training screenshot 4
Zone 2: Heart Rate Training screenshot 5
Zone 2: Heart Rate Training screenshot 6

This app helps you track your weekly workout time spent in the Zone 2 heart rate range. It provides detailed tracking, connectivity with various heart rate monitors and Strava, and real-time feedback on your progress towards your fitness goals.

What We Love

  • 👍 Simple and intuitive user interface
  • ⏱️ Accurate real-time zone tracking during workouts
  • 📊 Comprehensive cumulative time tracking by zone
  • 🎯 Customizable heart rate zones and weekly goals
  • 🔗 Seamless integration with Apple Health and HR monitors
  • 📱 Large, easy-to-read display
  • 🎧 Audio alerts for zone changes
  • ⌚ Works effectively with Apple Watch
  • 🚀 Responsive developer with quick feature implementation
  • 💬 Excellent customer support from developer Shannon
  • 🎨 Polished and elegant design
  • 🔄 Background app functionality

Room to Improve

  • 🐛 Frequent Bluetooth disconnections from HR monitors
  • 🐛 App crashes and freezes mid-workout
  • 🐛 Tracking stops randomly during workouts
  • 📵 Portrait-only orientation (doesn't support landscape properly)
  • 💳 Pricing confusion and unexpected charges
  • 🔔 Excessive review prompts during workouts
  • ⚠️ Compatibility issues with some iPhone models
  • 📊 Zone calculation based on HRR instead of max HR percentage
  • 🎯 Mandatory Zone 2 goal that can't be disabled
  • ❌ Requires Apple Fitness subscription (according to one user)

More Fat Burn In Zone 2 apps to explore

FAQ about Fat Burn In Zone 2

What are the best fat burn in zone 2 apps for iPhone?
Fat Burn: Weight Loss Tracker tops our fat burn in zone 2 apps ranking as of October 2026, with a 4.6-star average from 41 App Store ratings, and it's free to download.
Yes — 20 of the top fat burn in zone 2 apps we rank are free to download, including Fat Burn: Weight Loss Tracker and Zone2 — Heart Rate Zones.
Fat Burn: Weight Loss Tracker has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 240+ fat burn in zone 2 apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.