Comparison

FLOWBIO vs Sineco

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

Head to head
About

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.

Highlights
  • Personalized hydration strategies
  • Tailored recovery plans
  • Pre-session performance predictions
  • Intake logging
  • Support for electrolyte brands
  • Integrations with Garmin, Wahoo, Zwift, Coros
Features
Read full description

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

About

Sineco

Features
Read full description

Sineco is AI-powered music for peak performance. Whether you're running, lifting, cycling, or stretching, Sineco listens to your body and plays music that matches how hard you're working — in real time. SUBSCRIPTION REQUIRED Full access to Sineco requires an auto-renewable subscription (In-App Purchase). A free trial may be available. Prices and terms are shown in the app before you buy. HOW IT WORKS • Start a session and choose your activity (running, yoga, strength training, cycling, and more) • Sineco reads your heart rate from Apple Health, your Apple Watch, or a paired Garmin watch • Music intensity adapts automatically as your heart rate rises and falls • Tracks advance to keep you in the right zone for your workout BUILT FOR YOUR WORKOUT • 14+ activities including running, walking, cycling, yoga, pilates, strength training, tennis, basketball, and more • Set your context — home, gym, or outdoor — for smarter music matching • Live heart rate and intensity display during every session • Save and replay tracks you love; review your workout history APPLE WATCH & GARMIN SUPPORT • Apple Watch companion app streams live heart rate during workouts • Pair a compatible Garmin watch via Bluetooth for real-time BPM without Apple Health • Manual intensity mode if you prefer not to use a heart rate source PERSONALISED FROM DAY ONE • Pick your favourite genres during onboarding • Quick-start shortcuts based on how you actually train • Recently played tracks and session history on your home screen YOUR DATA, YOUR CHOICE • Health and behavioural data are only used with your explicit consent • No ads, no data selling, no cross-app tracking • Export your data or delete your account at any time from Settings IMPORTANT Sineco is not a medical device and does not provide medical advice. Always consult a healthcare professional before starting a new exercise programme. Download Sineco and let your heartbeat set the tempo. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sineco.ai/privacy

Screenshots

FLOWBIO4 screens
Sineco4 screens

Verdict

The call

The clearest difference is in-app purchases: FLOWBIO at none against Sineco's 2. Sineco's advantage is device support (4 vs 1) and iOS requirement (15.1 vs 26.0). On price, update cadence and ads 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. Sineco sells 2 in-app purchases, starting at $7.99 per month. FLOWBIO asks for nothing beyond the download.

UpkeepUpdate frequency

FLOWBIO ships an update fortnightly, Sineco every 2 weeks. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

Scorecard3 real differences · 7 level
FLOWBIO versus Sineco: the parameters behind the verdict, then further details
ParameterFLOWBIOSineco
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS26.015.1 — better
Further details — not scored
Size37 MB70 MB
Age rating17+12+
DeveloperFLOWBIO LTDSineco

In-app purchases

None

FLOWBIO

No in-app purchases

2 purchases

Sineco

Subscriptions2
  • Sineco Premium1 Month trial$7.991 Month
  • Sineco Premium1 Month trial$79.991 Year

Questions

Is FLOWBIO free?
FLOWBIO is free to download, with no in-app purchases.
Is Sineco free?
Sineco is free to download, with in-app purchases available.
Do FLOWBIO or Sineco have ads?
Neither FLOWBIO nor Sineco shows ads.
Which is updated more often, FLOWBIO or Sineco?
FLOWBIO ships an update fortnightly, and Sineco every 2 weeks. Most recently, FLOWBIO was updated on October 5, 2026 and Sineco on October 9, 2026.

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