COROS vs FLOWBIO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Daily data tracking (sleep, steps, calories)
- Activity summaries for all sports
- Map and route management
- Device and personal settings customization
- Third-party app integration
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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
FLOWBIO
This app analyzes sweat data to provide personalized hydration and recovery strategies for athletes. It connects to a sweat sensor to track fluid and sodium loss, offering tailored plans and pre-session predictions to optimize performance.
- Personalized hydration strategies
- Tailored recovery plans
- Pre-session performance predictions
- Intake logging
- Support for electrolyte brands
- Integrations with Garmin, Wahoo, Zwift, Coros
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Dehydration, cramps, poor recovery? Most athletes face these problems because they don’t know what they’re really losing in sweat. The FLOWBIO System solves this. By pairing the world’s most accurate sweat sensor with the FLOWBIO App, you can finally connect sweat data to your performance, recovery, and progress. FLOWBIO Sensor: Measures your sweat in real time with lab-grade accuracy, tracking your unique fluid and sodium losses in every run, ride, and race. FLOWBIO App - Transforms your sweat data into simple, personalised hydration strategies. - Tailored recovery plans built from your actual losses. - Pre-session predictions so you start properly prepared. - Intake logging and support for your preferred electrolyte brands. Integrations: - Garmin - Wahoo - Zwift - Coros
Screenshots
Verdict
The clearest difference is review sentiment: COROS at 54% against FLOWBIO's 0%. COROS also leads on rating (4.3 vs 3.0) and ratings volume (796 vs 2). On price, update cadence, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
COROS holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: COROS has 796 ratings behind it against 2, 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 0% of FLOWBIO's.
COROS ships an update every 2 weeks, FLOWBIO fortnightly. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.
| Parameter | COROS | FLOWBIO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (796 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 54.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 796 — better | 2 |
| Update frequency | Every 2 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 856 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | COROS Wearables Inc. | FLOWBIO LTD |
Customer experience
COROS
FLOWBIO
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
FLOWBIO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
COROS
No in-app purchases
FLOWBIO
No in-app purchases









