Comparison

COROS vs HDOR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

COROS

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
Read full description

The COROS app is your tool to help improve your fitness, download training plans, navigate with confidence, customize your devices, and more. The app will help you to track, and view: - Daily Data such as Sleep, Steps, Calories and more - Activity Summaries for all sports recorded on your watch - The Explore Page to manage maps, routes, and saved locations - Profile Page to customize your watch and personal settings - Connect and sync to 3rd party apps like Apple HealthKit, Google Health Connect, Strava, and more Note: - Sync steps, heart rate and other data to Apple devices using HealthKit - Continuous background use of GPS can decrease battery life

About

HDOR

This app encourages daily running as a habit for improved fitness. It facilitates participation in global running challenges and integrates with health apps to track steps for related competitions.

Highlights
  • Daily running encouragement
  • Global running challenges
  • Habit formation for fitness
  • Steps data tracking
  • HealthKit integration
Read full description

100 Days of Running (HDOR) is a global fitness movement started in 2015 with a simple goal - to help people make running and physical activity a part of their everyday lives. The challenge is built around consistency, discipline and community. For 100 days, participants commit to staying active, building healthier habits and pushing themselves a little further each day. The 2026 edition begins on 10 October 2026 and is expected to bring together more than 50,000 participants from India and around the world, making HDOR one of the largest multi-day fitness challenges of its kind. HDOR is not about being the fastest runner. It is about showing up, staying committed and making movement a habit - whether you are taking your first steps towards fitness or already an experienced runner. Track your journey, stay motivated, participate in challenges, celebrate milestones and be part of a growing community that believes every goal is achievable with consistency. Mumkin Hai. Come What May. 100 Days. One Commitment. A Habit for Life.

Screenshots

COROS4 screens
HDOR4 screens

Verdict

The call

The clearest difference is rating: COROS at 4.3 against HDOR's 3.4. COROS also leads on ads (none vs shown) and ratings volume (800 vs 22). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

COROS holds the better App Store score, 4.3 against 3.4. That said, the two scores are not equally well evidenced: COROS has 800 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 54% of COROS's written reviews are positive against 49% of HDOR's.

UpkeepUpdate frequency

COROS ships an update every 2 weeks, HDOR every 11 days. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
COROS versus HDOR: the parameters behind the verdict, then further details
ParameterCOROSHDOR
PriceFreeFree
Rating4.3 (800 ratings) — better3.4 (22 ratings)
Positive reviews54.2% of reviews — better49.1% of reviews
Number of ratings800 — better22
Update frequencyEvery 2 weeksEvery 11 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.6
Further details — not scored
Size856 MB123 MB
Age rating4+12+
DeveloperCOROS Wearables Inc.Procam International Private Limited

Customer experience

COROS

All ratings796 ratings
Positive80.3%
Neutral6.3%
Negative13.4%
Written reviews782 reviews
Positive54.2%
Neutral13.6%
Negative32.2%

HDOR

All ratings22 ratings
Positive63.6%
Neutral0.0%
Negative36.4%
Written reviews53 reviews
Positive49.1%
Neutral9.4%
Negative41.5%

Bugs and requests

COROS

Reported bugs

5 issues
  • 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

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

HDOR

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

COROS

No in-app purchases

None

HDOR

No in-app purchases

Questions

Is COROS free?
COROS is free to download, with no in-app purchases.
Is HDOR free?
HDOR is free to download, with no in-app purchases.
Which has better reviews, COROS or HDOR?
COROS is rated higher. COROS averages 4.3 out of 5 from 800 ratings, while HDOR averages 3.4 from 22 ratings.
Do COROS or HDOR have ads?
HDOR shows ads; COROS does not.
Which is updated more often, COROS or HDOR?
COROS ships an update every 2 weeks, and HDOR every 11 days. Most recently, COROS was updated on November 3, 2026 and HDOR on November 3, 2026.

Other comparisons