# COROS APEX 4 The text version of the iDevice Guide at https://idevice.com/smart-watches/coros-apex-4/roadmap. Same data as the page, last updated 2026-11-01. > COROS's mountain sports GPS watch: a titanium bezel, sapphire glass, offline maps, a speaker and mic, and up to 65 hours of GPS. From $429. - Status: On sale - List price: $429 (The official starting price.) - Released Oct 15, 2025 (source: [COROS](https://coros.com/stories/press-release/c/coros-announces-apex-4)) - Guide: https://idevice.com/smart-watches/coros-apex-4/roadmap - Last updated: 2026-11-01 ## Can it do this? - **How long does the battery last?** Up to 65 hours of All-Systems GPS and 24 days of daily use on the 46mm; 41 hours and 15 days on the 42mm. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#can-how-long-does-the-battery-last)) - **What does it cost?** It costs $429. That is the list price. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#can-what-does-it-cost)) - **Does it have GPS?** Yes, it has its own GPS. It works without your phone. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#can-does-it-have-gps)) - **Can it get wet — shower, pool, swimming?** Yes, you can shower and swim in it. It is rated to 5 ATM. It is not for scuba diving. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#can-can-it-get-wet-shower-pool-swimming)) - **How big is the screen?** The screen measures 1.3 inches. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#can-how-big-is-the-screen)) - **How heavy is it?** It weighs 64g. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#can-how-heavy-is-it)) - **What kind of screen is it?** It uses mip. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#can-what-kind-of-screen-is-it)) ## Works with A smartwatch that works with iPhone and Android. - **Does the COROS APEX 4 work with Android?** Works. Yes. APEX 4 is set up and synced with the COROS app on Android. Source: [COROS](https://support.coros.com/hc/en-us/articles/42070715941268-Set-Up-Your-COROS-APEX-4). Checked 2026-11-01. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#q-android)) - **Does the COROS APEX 4 work with Bluetooth headphones?** Works. Yes. APEX 4 plays its stored music to Bluetooth headphones or a speaker. Source: [COROS](https://support.coros.com/hc/en-us/articles/41966327204628-Daily-Features). Checked 2026-11-01. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#q-bluetooth-headphones)) - **Does the COROS APEX 4 work with iPhone?** Works. Yes. APEX 4 is set up and synced with the COROS app on iPhone. Source: [COROS](https://support.coros.com/hc/en-us/articles/42070715941268-Set-Up-Your-COROS-APEX-4). Checked 2026-11-01. ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#q-iphone)) ## Questions ### How much does the COROS APEX 4 cost? The 42mm model costs $429 and the 46mm model costs $479, sold at COROS.com and select retailers. Source: [COROS](https://coros.com/stories/press-release/c/coros-announces-apex-4). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faq-how-much-does-the-coros-apex-4-cost)) ### What is the difference between the 42mm and 46mm APEX 4? The 46mm has a 1.3-inch screen and up to 65 hours of All-Systems GPS. The 42mm has a 1.2-inch screen and up to 41 hours. The 42mm costs $429 and the 46mm $479. Source: [COROS](https://coros.com/apex4/specs). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faq-what-is-the-difference-between-the-42mm-and-46mm-apex-4)) ### How long does the battery last? On the 46mm, up to 65 hours of All-Systems GPS and 24 days of daily use. On the 42mm, up to 41 hours and 15 days. Playing offline music cuts GPS time to 17 hours on the 46mm and 11 hours on the 42mm. Source: [COROS](https://coros.com/apex4/specs). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faq-how-long-does-the-battery-last)) ### Does it have offline maps? Yes. Global topographic and landscape maps with street and trail names, plus turn-by-turn navigation and points of interest. Source: [COROS](https://coros.com/stories/press-release/c/coros-announces-apex-4). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faqs-does-it-have-offline-maps)) ### Can I take calls on the APEX 4? Yes. It has a built-in speaker and microphone for hands-free calls, audible pace and turn alerts, and voice notes. Source: [COROS](https://coros.com/stories/press-release/c/coros-announces-apex-4). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faqs-can-i-take-calls-on-the-apex-4)) ### Is the APEX 4 waterproof? It is rated 5 ATM. COROS says that suits surface water activities, not diving. Source: [COROS](https://coros.com/apex4/specs). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faqs-is-the-apex-4-waterproof)) ### How much does it weigh? The 46mm weighs 64g with the silicone band and 51g with the nylon band. The 42mm weighs 56g and 44g. Source: [COROS](https://coros.com/apex4/specs). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faqs-how-much-does-it-weigh)) ### What is the APEX 4 made of? A Grade 5 titanium alloy bezel, sapphire glass over the screen and a fiber reinforced polymer case. Source: [COROS](https://coros.com/apex4/specs). ([on the Guide](https://idevice.com/smart-watches/coros-apex-4/roadmap#faqs-what-is-the-apex-4-made-of)) --- Source: iDevice (https://idevice.com). Every spec, rumor and grade above links to where it came from. Full Guide: https://idevice.com/smart-watches/coros-apex-4/roadmap. This file: https://idevice.com/guide-text/coros-apex-4.md. ## Questions and answers ### Using it **What does it cost?** It costs $429. That is the list price. Source: COROS **Does it have GPS?** Yes, it has its own GPS. It works without your phone. Source: COROS **How big is the screen?** The screen measures 1.3 inches. Source: COROS **How heavy is it?** It weighs 64g. Source: COROS **What kind of screen is it?** It uses mip. Source: COROS ### Sizing and fit **What sizes does it come in?** Grade 5 titanium bezel, fiber reinforced polymer case; 46.2 x 46.2 x 13.7mm or 42.6 x 42.6 x 14mm. Source: COROS ### Water **Can it get wet — shower, pool, swimming?** Yes, you can shower and swim in it. It is rated to 5 ATM. It is not for scuba diving. Source: COROS ### Price and models **Is there a newer one?** No. The COROS APEX 4 is the current model. Source: iDevice