COROS PACE 4 Pro vs COROS APEX 4
The COROS PACE 4 Pro lists for about $20 more than the COROS APEX 4. On the headline smartwatch-mode figure, 21 days for the COROS PACE 4 Pro against 15 days for the COROS APEX 4. For a GPS workout the figures are 60 h and 34 h. Every other published figure for both is in the table, with the rows where they differ tinted.
COROS
COROS PACE 4 Pro
~$449
COROS's first PACE with a titanium bezel and sapphire glass, released in September 2026 above the plastic PACE 4.
Best for: Runners and triathletes who want an AMOLED screen without giving up multi-week battery life
COROS
COROS APEX 4
~$429
COROS aims APEX 4 at trail running, climbing and ski touring, with a titanium bezel, sapphire glass and reinforced lugs.
Best for: Trail runners and mountain athletes who want maps and a sunlight-readable screen in a smaller case
| Specification | COROS PACE 4 Pro | COROS APEX 4 |
|---|---|---|
| Approx. price | ~$449 (Standard titanium-bezel PACE 4 Pro, silicone or nylon band, $449.00 on coros.com) | ~$429 (APEX 4 42 mm, $429.00 on coros.com (46 mm $479.00)) |
| Type | Running | Multisport |
| Platform | COROS | COROS |
| Case sizes | 47.6 mm | 42 mm / 46 mm |
| Weight | 47.6 mm: 51 g (with silicone band (43 g with nylon band)) | 42 mm: 56 g · 46 mm: 64 g (with silicone band (44 g with nylon band)) |
| Battery, smartwatch mode | 21 days (COROS spec: Daily Use & Sleep Tracking 21 Days) | 15 days (COROS spec: Daily Use & Sleep Tracking 15 days (42 mm); 24 days (46 mm)) |
| Battery, always-on display | 7 days (COROS spec: 7 Days (with Always-On Display)) | Not published by the maker |
| Always-on keeps | 33% of the headline figure | not published |
| Battery, GPS workout | 60 h (COROS spec: High All Systems (GPS, GLONASS, Galileo, Beidou, QZSS) 60 Hours; 45 Hours with Always-On Display; 17 with offline music playing) | 34 h (COROS spec, 42 mm: All Systems 34 hours (46 mm: 53 hours)) |
| Battery, dual-band GPS | 40 h | 26 h |
| Battery note | Dual-frequency figure from the spec table (Max Dual Frequency 40 Hours, 30 with AOD); the product page FAQ calls it a 45-hour mode, so the spec table is used. COROS: 30 minutes of charging returns roughly 10 hours of GPS. | MIP display is always on, so there is no separate AOD figure. Dual-frequency 26 h (42 mm) / 41 h (46 mm); Endurance All Systems mode 41 h (42 mm) / 65 h (46 mm), the 65 h headline COROS advertises. |
| Works with | iPhone and Android | iPhone and Android |
| iPhone | Yes | Yes |
| Android | Yes | Yes |
| Phone limits | COROS app on iOS and Android; COROS lists Message/Call Alert on both, and its FAQ says the app syncs with Apple Health and Google Fit. | COROS app on iOS and Android; COROS lists Message/Call Alert on both, and its FAQ says the app syncs with Apple Health and Google Fit. |
| Paid tier | No paid tier sold by the maker | No paid tier sold by the maker |
| Update years | Not published by the maker | Not published by the maker |
| Cleared health features | None the maker cites | None the maker cites |
| Display | AMOLED | MIP |
| Always-on display | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Maps | Full topo maps on the watch (COROS: Landscape (with trail and street names) and Topo downloadable global maps on 32GB, turn-by-turn navigation) | Full topo maps on the watch (COROS: Landscape and Topo global maps with trail and street names, POIs and turn-by-turn; 32GB) |
| Music on the watch | Yes | Yes |
| LTE | No LTE version | No LTE version |
| Contactless pay | No | No |
| Flashlight | No | No |
| Water rating | 5 ATM | 5 ATM |
| Case | Grade 5 titanium bezel, fiber-reinforced polymer case | Grade 5 titanium bezel, fiber-reinforced polymer case |
| Released | 2026 | 2025 |
COROS PACE 4 Pro: what it gives up
- No contactless payments; COROS states payment is not supported
- Costs about the same as the APEX 4 46 mm, which has a longer MIP battery and better outdoor durability
- 5 ATM rating, below the 10 ATM of the VERTIX line
- No third-party app store, so smartwatch functions stop at notifications and media control
COROS APEX 4: what it gives up
- The 42 mm gets 34 hours of all-systems GPS against the 46 mm's 53
- MIP colors and resolution look dull next to the AMOLED PACE 4 Pro at a similar price
- 5 ATM water rating despite the mountain positioning
Full pages: COROS PACE 4 Pro · COROS APEX 4