Comparison

FLOWBIO vs GymVoice

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

GymVoice

Features
Read full description

Your gym. Voice guided. Any program. Voice guided. GymVoice turns any workout into a voice-guided session using the real equipment in your gym. Bring a workout from your personal trainer, your gym, your favourite fitness app, ChatGPT, a photo of a whiteboard, or simply tell the AI what you feel like training today. However your program starts, GymVoice guides you through it. Walk in. Press Start. Train. Put your phone in your pocket. Keep your music playing. Keep your eyes up. GymVoice works seamlessly with Apple Music, automatically starting your music when your workout begins. It speaks only when you need guidance and stays quiet while you train. "Head to the cable station behind the free weights." "You lifted 12kg last week." Machine busy? Just say so. GymVoice finds another route. Need an easier option? Want a harder workout? Control everything with your voice, Apple Watch, or Lock Screen. Leave your phone at home and complete your entire session from your wrist using the Apple Watch companion app. Every workout is automatically recorded in Apple Health, helping close your Activity Rings while you train. Create workouts for yourself or share them with friends. Personal trainers can build a program and instantly send it with AirDrop or a simple link. GymVoice understands your gym's layout and equipment, guiding you from exercise to exercise like Google Maps guides you from place to place. No wandering. No guessing. No staring at your phone. Just follow the voice. Whether you're following your PT's plan, your gym's featured workout, or a program you've created yourself, GymVoice makes every workout easier to follow. Don't see your gym? Help bring GymVoice to your gym by showing them the QR code in the app. GymVoice - Music on. Headphones on. Start your workout. Terms of Use https://www.gymfloor.ai/terms-of-use

Screenshots

FLOWBIO4 screens
GymVoice4 screens

Verdict

The call

The clearest difference is in-app purchases: FLOWBIO at none against GymVoice's 1. On price, update cadence, ads and device support 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. GymVoice sells 1 in-app purchase, starting at $9.99 per month. FLOWBIO asks for nothing beyond the download.

UpkeepUpdate frequency

FLOWBIO ships an update fortnightly, GymVoice every 10 days. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

Scorecard1 real difference · 9 level
FLOWBIO versus GymVoice: the parameters behind the verdict, then further details
ParameterFLOWBIOGymVoice
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyFortnightlyEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS26.026.0
Further details — not scored
Size37 MB47 MB
Age rating17+4+
DeveloperFLOWBIO LTDJens Wikholm

In-app purchases

None

FLOWBIO

No in-app purchases

1 purchases

GymVoice

Subscriptions1
  • GymFloor Pro$9.991 Month

Questions

Is FLOWBIO free?
FLOWBIO is free to download, with no in-app purchases.
Is GymVoice free?
GymVoice is free to download, with in-app purchases available.
Do FLOWBIO or GymVoice have ads?
Neither FLOWBIO nor GymVoice shows ads.
Which is updated more often, FLOWBIO or GymVoice?
FLOWBIO ships an update fortnightly, and GymVoice every 10 days. Most recently, FLOWBIO was updated on October 5, 2026 and GymVoice on October 1, 2026.

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