Apex 4
Titanium MIP mountain watch with offline maps, dual-frequency GPS, and long endurance battery.
- Ultra / Adventure Watches
- Mip
- 52g

- Best forBuilding a clear role for instead of forcing one product to cover every session.
- Battery53 hours
- MapsYes
- Release dateOct 2025
Overview
Titanium MIP mountain watch with offline maps, dual-frequency GPS, and long endurance battery.
Kitletics notes particular strengths around full offline topo/street maps on a durable sapphire mip and strong dual-frequency gps battery on the 46 mm size.
- Full offline topo/street maps on a durable sapphire MIP
- Strong dual-frequency GPS battery on the 46 mm size
- Titanium bezel build lighter than Vertix for most trail days
At a glance
- Weight
- 52 g
- Display
- Mip
- GPS Battery
- 53 hours
- Battery Smartwatch
- 24 days
- Multi-band GPS
- Yes
- Maps
- Yes
- Heart Rate
- Yes
- Category
- GPS Watches
- Best for
- Building a clear role for instead of forcing one product to cover every session
Assessment
- GPS accuracy9.2
- Battery9.0
- Screen readability7.8
- Comfort & weight7.1
- Training analytics9.0
- Navigation & mapping9.2
Overall score: 9.0
Pros & cons
Pros
- Full offline topo/street maps on a durable sapphire MIP
- Strong dual-frequency GPS battery on the 46 mm size
- Titanium bezel build lighter than Vertix for most trail days
Cons
- No music storage or contactless payments
- Smaller third-party app ecosystem than Garmin
How it fits different uses
| Use case | Score |
|---|---|
Trail Running COROS Apex 4 suitability for trail running based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 93 |
Ultra COROS Apex 4 suitability for ultra based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 93 |
Half Marathon COROS Apex 4 suitability for half marathon based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 90 |
Marathon COROS Apex 4 suitability for marathon based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 90 |
5K COROS Apex 4 suitability for 5K / 10K racing based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 87 |
Daily Training COROS Apex 4 suitability for daily running based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 86 |
HYROX Training COROS Apex 4 suitability for HYROX based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 79 |
Beginners COROS Apex 4 suitability for beginner runners based on GPS, battery, training tools, navigation and ecosystem — not shoe-style cushioning factors. | 66 |
Secondary context
HYROX performance
Training suitability
Strong
- GPS accuracyExcellent
- BatteryExcellent
- Screen readabilityStrong
- Comfort & weightGood
- Training analyticsExcellent
- Navigation & mappingExcellent
- EcosystemStrong
- Ease of useGood
- Smartwatch featuresFair
- Sensor supportStrong
- DurabilityStrong
- ValueStrong
Best for: Full offline topo/street maps on a durable sapphire MIP; Strong dual-frequency GPS battery on the 46 mm size
Trade-off: No music storage or contactless payments; Smaller third-party app ecosystem than Garmin
Qualitative labels from structured recommendations — not measured race times. Find HYROX shoes
Compare with
View full comparison →Specifications
- Weight
- 52g
- Display
- Mip
- GPS Battery
- 53hours
- Battery Smartwatch
- 24days
- Multi-band GPS
- Yes
- Maps
- Yes
- Heart Rate
- Yes
Display
| Display | Mip |
|---|---|
| Display Size | 1.3 mm |
| Touchscreen | No |
Battery
| Battery Smartwatch | 24 days |
|---|---|
| GPS Battery | 53 hours |
Sensors & metrics
| Heart Rate | Yes |
|---|---|
| ECG | No |
| SpO2 | Yes |
| Running Dynamics | No |
| Training Readiness | No |
| Recovery Metrics | Yes |
Features
| Multi-band GPS | Yes |
|---|---|
| Maps | Yes |
| Navigation | Yes |
| Music | No |
| Payments | No |
| Water Rating | 5 ATM |
| Weight | 52 g |
Other
| Case Size | 46 mm |
|---|---|
| Solar Charging | No |
| Battery Multi-band GPS | 41 hours |
| Offline Maps | Yes |
| Barometric Altimeter | Yes |
| Strava Sync | Yes |
Apex family
Where to buy
Showing offers for Netherlands. Prices may change at the retailer.
Amazon.nl
in stockMarketplaceNLLast checked 12 September 2026€ 430View on Amazon
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Sources & evidence
Kitletics does not invent star ratings or buyer reviews. Below is the structured evidence behind this product page.
How we assessed this product
Kitletics has not personally tested this product. Claims below are limited to the linked evidence types.
- Verified specification
Official product specifications
Used to verify identity, published measurements, materials and official features.
Verified 12 September 2026
- Editorial research
Independent expert reviews & Kitletics editorial analysis
Used to cross-check ride, fit, category placement and buying trade-offs. Not a Kitletics personal wear-test.
Verified 12 September 2026

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Product data verified 12 September 2026. Prices checked 12 September 2026.
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