# COROS vs Tread Assist

The clearest difference is review sentiment: COROS at 54% against Tread Assist's 0%. COROS also leads on in-app purchases (none vs 1) and ads (none vs shown). Tread Assist's advantage is update cadence (every 5 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Tread Assist sells 1 one-off in-app purchase. COROS asks for nothing beyond the download.

COROS ships an update every 2 weeks, Tread Assist every 5 days. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | COROS | Tread Assist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (797 ratings)](https://appshunter.io/ios/app/coros/id1277625343/reviews)** | — |
| Number of ratings | **797** | — |
| Positive reviews | **54.2% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 856 MB | 8 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [COROS Wearables Inc.](https://appshunter.io/developer/992834306) | [William Coates](https://appshunter.io/developer/1577810369) |

## 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


### Tread Assist

[App page](https://appshunter.io/ios/app/tread-assist/id1632237537)

Track your running cadence and other key metrics on your treadmill. Set targets, receive wrist alerts, and sync your workouts with Apple Health and Strava. Analyze your progress with detailed statistics and charts.

**Highlights:** Cadence tracking (steps per minute), Heart rate and calorie monitoring, Target cadence alerts with Apple Watch haptics, Metronome for cadence matching, Automatic workout uploads to Apple Health/Strava, Progress statistics and charts

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is COROS free?

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

### Is Tread Assist free?

Tread Assist is free to download, with in-app purchases available.

### Do COROS or Tread Assist have ads?

Tread Assist shows ads; COROS does not.

### Which is updated more often, COROS or Tread Assist?

COROS ships an update every 2 weeks, and Tread Assist every 5 days. Most recently, COROS was updated on October 27, 2026 and Tread Assist on October 10, 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.*