# FLOWBIO vs GymVoice

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.

Both are free to download. GymVoice sells 1 in-app purchase, starting at $9.99 per month. FLOWBIO asks for nothing beyond the download.

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

## The numbers

| Metric | FLOWBIO | GymVoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/flowbio/id1614407048/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free | — |
| Size | 37 MB | 47 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [FLOWBIO LTD](https://appshunter.io/developer/1607898930) | [Jens Wikholm](https://appshunter.io/developer/1887092464) |

## What reviewers say

### FLOWBIO

[App page](https://appshunter.io/ios/app/flowbio/id1614407048)

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:** macOS Compatibility

**In-app purchases:** none


### GymVoice

[App page](https://appshunter.io/ios/app/gymvoice/id6760972733)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GymFloor Pro | $9.99 | per month |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*