Amazfit Helio Strap vs Amazfit Active Max
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Amazfit Helio Strap |  Amazfit Active Max |
|---|---|---|
| Price | KSh 22,000.00 | KSh 24,000.00 |
| Display | — | 1.5-inch AMOLED touchscreen |
| Battery capacity | 232 mAh rated | 658 mAh rated |
| Water resistance | 5 ATM; suitable for splashes, showering and shallow-water swimming, not diving or high-pressure water activities | 5 ATM |
| Storage | — | 4 GB |
| Operating system | — | Zepp OS 6 |
| Network / cellular | — | No cellular network support documented |
| Positioning / GNSS | — | Built-in five-satellite positioning |
| Health & wellness features | 24-hour heart rate, blood oxygen, stress, BioCharge energy level, PAI and heart-rate recovery; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, stress, BioCharge, LifeLoad and one-tap health measurement; wellness readings are not intended for medical diagnosis |
Full specifications
2 of 4 products
| Specification | Amazfit Helio Strap | Amazfit Active Max |
|---|---|---|
| Identity & design | ||
| Brand | Amazfit | Amazfit |
| Model | Helio Strap (A2445) | Active Max |
| Announced | — | December 2025 |
| Dimensions | 33.97 × 24.3 × 10.59 mm (heart-rate sensor base excluded) | 48.5 × 48.5 × 12.2 mm without heart-rate sensor base |
| Weight | 20 g | 39.5 g without strap |
| Build materials | Fiber-reinforced polymer sensor body | Aluminum-alloy frame and polymer case with strengthened glass |
| Wrist size | 145–205 mm | — |
| Strap / band | 22 mm nylon strap with hook-and-loop fastening | 22 mm silicone strap with classic pin buckle |
| Controls / buttons | Screen-free smart band with indicator lights; controls and data are managed through the Zepp app | Two physical buttons and touchscreen |
| Display | ||
| Display | — | 1.5-inch AMOLED touchscreen |
| Screen resolution | — | 480 × 480 pixels, 323 ppi |
| Display protection | — | Strengthened glass with anti-fingerprint coating |
| Display features | — | Always-on display; up to 3,000 nits peak brightness |
| Performance & software | ||
| Storage | — | 4 GB |
| Operating system | — | Zepp OS 6 |
| Connectivity | ||
| Network / cellular | — | No cellular network support documented |
| SIM / eSIM | — | No SIM or eSIM support documented |
| Wi-Fi | — | No Wi-Fi support listed |
| Bluetooth | Bluetooth 5.2 BLE | Bluetooth 5.3 BLE |
| NFC | — | NFC support not listed for this configuration |
| Positioning / GNSS | — | Built-in five-satellite positioning |
| Ultra Wideband (UWB) | — | UWB support not listed |
| Satellite features | — | No satellite messaging feature documented; GNSS positioning is listed separately |
| Audio & communication | ||
| Speaker | — | Built-in speaker |
| Microphone | — | Built-in microphone |
| Calling | — | Bluetooth calling and Android message replies when paired |
| Sensors, health & fitness | ||
| Sensors | BioTracker 6.0 PPG biometric sensor (5PD + 2LED), accelerometer, gyroscope and temperature sensor | BioTracker PPG sensor, accelerometer, gyroscope, geomagnetic sensor, barometric altimeter, ambient-light sensor and temperature sensor |
| Health & wellness features | 24-hour heart rate, blood oxygen, stress, BioCharge energy level, PAI and heart-rate recovery; wellness measurements are not intended for medical diagnosis | Heart rate, blood oxygen, stress, BioCharge, LifeLoad and one-tap health measurement; wellness readings are not intended for medical diagnosis |
| Sleep tracking | Sleep stages including REM, naps, sleep schedule, sleep HRV, breathing quality and sleep score | RestoreIQ sleep quality, stages, breathing patterns and naps |
| Sports / workout modes | 50+ sports modes, including smart strength training and official HYROX Race mode | More than 170 sports modes with smart strength-training recognition |
| Training & outdoor features | — | Zepp Coach, PeakBeats, offline maps, route navigation, virtual pacer and compatible workout peripherals |
| Diving / depth features | — | Not rated for diving; water resistance is 5 ATM |
| Battery & durability | ||
| Battery capacity | 232 mAh rated | 658 mAh rated |
| Battery life | Up to 10 days typical use | Up to 25 days typical use, 13 days heavy use, 10 days always-on display or 64 hours continuous GPS |
| Charging | Magnetic charging head; less than 2 hours; USB-C cable is not included | Magnetic charging head |
| Water resistance | 5 ATM; suitable for splashes, showering and shallow-water swimming, not diving or high-pressure water activities | 5 ATM |
| Compatibility | ||
| Phone compatibility | Android 7.0 or later; iOS 15.0 or later | Android 7.0 or later; iOS 14.0 or later |
| Companion app | Zepp app; supports synchronization with Strava, TrainingPeaks, adidas Running, komoot, Relive, Google Fit and Apple Health where available | Zepp app |
| Colors | Black | Black |
| Additional specifications | ||
| Vibration motor | Rotor motor | — |
| Charging time | Less than 2 hours from empty | — |
| Smart recognition | Recognizes 25 strength-training movements | — |
| Offline data storage | Stores up to 21 days of offline heart-rate data | — |
| Real-time heart-rate broadcast | Supported; heart rate can be synchronized to compatible third-party smartwatches | — |
| Workout status | PeakBeats training-status system | — |
| Energy, load and readiness features | BioCharge energy-level tracking | — |
| Other health features | PAI health assessment and heart-rate recovery | — |
| Third-party fitness apps | Strava, TrainingPeaks, adidas Running, Runna, komoot, Relive, Google Fit and Apple Health; availability varies by region and platform | — |
| Packing list | Smart band and strap assembled, magnetic charging head without cable, and instruction manual | — |
| Packaging materials | Made with 100% recyclable materials | — |
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