Comparison

FLOWBIO vs Una Watch

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

Una Watch

Sync activities, analyze data, and customize your wearable device. Connect to other applications for a comprehensive health and fitness experience.

Highlights
  • Sync activities
  • Analyze data
  • Customize watch settings
  • Connect to third-party apps
  • Easy-to-use interface
Features
Read full description

Unlock the full potential of your UNA Watch by downloading our mobile application. Sync your activities, analyse data, customise your watch and connect to third-party applications all from our easy to use app

Screenshots

FLOWBIO4 screens
Una Watch4 screens

Verdict

The call

The clearest difference is review sentiment: Una Watch at 100% against FLOWBIO's 0%. Una Watch also leads on rating (4.1 vs 3.0) and update cadence (every 5 days vs fortnightly). On price, ads, in-app purchases and monetization model 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

Una Watch holds the better App Store score, 4.1 against 3.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews point the same way: 0% of FLOWBIO's written reviews are positive against 100% of Una Watch's.

UpkeepUpdate frequency

FLOWBIO ships an update fortnightly, Una Watch every 5 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
FLOWBIO versus Una Watch: the parameters behind the verdict, then further details
ParameterFLOWBIOUna Watch
PriceFreeFree
Rating3.0 (2 ratings)4.1 (7 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings27 — better
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size37 MB67 MB
Age rating17+4+
DeveloperFLOWBIO LTDUNA Watch Ltd

Customer experience

FLOWBIO

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Una Watch

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

FLOWBIO

No in-app purchases

None

Una Watch

No in-app purchases

Questions

Is FLOWBIO free?
FLOWBIO is free to download, with no in-app purchases.
Is Una Watch free?
Una Watch is free to download, with no in-app purchases.
Which has better reviews, FLOWBIO or Una Watch?
Una Watch is rated higher. FLOWBIO averages 3.0 out of 5 from 2 ratings, while Una Watch averages 4.1 from 7 ratings.
Do FLOWBIO or Una Watch have ads?
Neither FLOWBIO nor Una Watch shows ads.
Which is updated more often, FLOWBIO or Una Watch?
FLOWBIO ships an update fortnightly, and Una Watch every 5 days. Most recently, FLOWBIO was updated on October 5, 2026 and Una Watch on October 2, 2026.

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