📈Last 7 days+132 installs — 15% faster than the week before (+115) · 14/day since Sep 29
🏆Among Sports appstop 9% by installs gained this week (179 peers growing)
🛠Updatesactively updated · updated 7 days ago · every ~12 days (4 updates tracked)
Installs since launch
+580 installs
since Sep 29
Update history
3.21.20Nov 3, 2026 · seen Nov 10, 2026
Get an interrupted workout back: if you swipe Strap Zone away or it crashes, the app offers to recover what you recorded the next time you open it. CSV exports have a new local_time column with your workout's local time. CSV and TCX file names now include your workout's name, so your exports are easier to find.<br>
3.21.19Oct 24, 2026 · seen Nov 1, 2026
Workout times in History are right again. After you close and reopen Strap Zone, start times now stay in your local time. Your recorded workouts were never changed.<br>
3.21.18Oct 18, 2026 · seen Oct 21, 2026
Your route map is back: after a GPS workout, your zone-colored route appears on a dark street map again.<br>
3.21.11Sep 29, 2026
See your heart rate over the last 5 minutes with the new live graph. Tap the top-right menu during a workout to switch views and choose which metrics to show. Your choices are shared with Settings and saved for future workouts.<br>
Chest Strap HR Monitor is a sports app by Turtle Tunes Studio with 1,000+ downloads (about 1.3K estimated). +132 installs in the last 7 days. Released Feb 26, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Strap Zone connects your Bluetooth heart rate chest strap directly to your phone — no smartwatch required. See your heart rate zones in real-time and train smarter.
Strap Zone Pro starts with a 7-day annual trial. Prefer paying once? A lifetime unlock is available too.
SIMPLE HEART RATE ZONE TRAINING
Just heart rate…”