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Best Strap Zone Apps

20+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our strap zone list covers 20+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Strap Zone Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Chest Strap HR MonitorChest Strap HR MonitorFree4.3★ (16)NoYesSep 2026
2ZoneLockZoneLockFree—NoYesSep 2026
3BPM: Heart Rate MonitorBPM: Heart Rate MonitorFree—NoNoSep 2026
4Jolt Cycling: Zone 2 TrainingJolt Cycling: Zone 2 TrainingFree—NoYesSep 2026
5ZoneCycle: HIIT Bike TrainerZoneCycle: HIIT Bike TrainerFree——NoAug 2026
6Strap SentryStrap SentryFree—NoNoAug 2026
7WatchZone VideoWatchZone VideoFree—NoYesSep 2026
8Freestyle USAFreestyle USAFree4.9★ (8)NoNoSep 2026

Top Picks for Strap Zone

Chest Strap HR Monitor#1

Chest Strap HR Monitor by Wojciech Zieba

Zone 2 Training - No Watch
Editor's Choice
⚽ Sports
4.3(16 ratings)
FreeIn-App Purchases
Chest Strap HR Monitor screenshot 1
Chest Strap HR Monitor screenshot 2
Chest Strap HR Monitor screenshot 3
Chest Strap HR Monitor screenshot 4
Chest Strap HR Monitor screenshot 5
Chest Strap HR Monitor screenshot 6

Train effectively using your Bluetooth chest strap and iPhone to monitor real-time heart rate zones. Ideal for zone 2 training, fat burning, and HIIT without needing a smartwatch. Features audio alerts and custom workout creation.

More Strap Zone apps to explore

FAQ about Strap Zone

What are the best strap zone apps for iPhone?
Chest Strap HR Monitor tops our strap zone apps ranking as of September 2026, with a 4.3-star average from 16 App Store ratings, and it's free to download.
Yes — 18 of the top strap zone apps we rank are free to download, including Chest Strap HR Monitor and ZoneLock.
Chest Strap HR Monitor has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 20+ strap zone apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Chest Strap HR Monitor is available for iPhone, iPad, and Mac with Apple Silicon. It supports Split Screen on iPad for enhanced multitasking during workouts.
Chest straps are reported to be 99.6% accurate, offering significantly more reliability than wrist-based monitors for heart rate data.