# COROS vs Boulder Pass

COROS and Boulder Pass are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COROS ships an update every 2 weeks, Boulder Pass every 3 weeks. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | COROS | Boulder Pass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (796 ratings)](https://appshunter.io/ios/app/coros/id1277625343/reviews)** | — |
| Number of ratings | **796** | — |
| Positive reviews | 54.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 856 MB | 20 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [COROS Wearables Inc.](https://appshunter.io/developer/992834306) | [Williams Kwan](https://appshunter.io/developer/1658651535) |

## What reviewers say

### COROS

[App page](https://appshunter.io/ios/app/coros/id1277625343)

Enhance your fitness journey with detailed daily data, activity summaries, and advanced navigation tools. Customize your devices, download training plans, and seamlessly sync with popular third-party health platforms.

**Highlights:** Daily data tracking (sleep, steps, calories), Activity summaries for all sports, Map and route management, Device and personal settings customization, Third-party app integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent battery life
- 👍 Intuitive and easy to use app
- 🚀 Quick sync with watch
- 👍 Detailed data and metrics
- 👍 Responsive customer service

**What reviewers complain about**

- 🐛 Connectivity issues with watch
- 🐛 Inaccurate heart rate tracking
- 🐛 Syncing problems with third-party apps
- 🐛 Buggy after recent updates
- 🐛 Confusing user interface changes

**Reported bugs**

- App crashes frequently
- Inability to log in or sync data
- Inconsistent data between watch and app
- Elevation/GPS tracking issues
- Strength training mode not working properly

**Requested features**

- Add more watch face options
- Improve sleep tracking accuracy
- Integrate with Apple Health app
- Add ability to edit/delete activities
- Provide more customization options


### Boulder Pass

[App page](https://appshunter.io/ios/app/boulder-pass/id1658651533)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is COROS free?

COROS is free to download, with no in-app purchases.

### Is Boulder Pass free?

Boulder Pass is free to download, with no in-app purchases.

### Do COROS or Boulder Pass have ads?

Neither COROS nor Boulder Pass shows ads.

### Which is updated more often, COROS or Boulder Pass?

COROS ships an update every 2 weeks, and Boulder Pass every 3 weeks. Most recently, COROS was updated on October 15, 2026 and Boulder Pass on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*