# FLOWBIO vs AbsolutSweat

The clearest difference is iOS requirement: AbsolutSweat at 15.6 against FLOWBIO's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | FLOWBIO | AbsolutSweat |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Size | 37 MB | 42 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [FLOWBIO LTD](https://appshunter.io/developer/1607898930) | [Shenzhen Refresh Biosensing Technology Co., Ltd.](https://appshunter.io/developer/1405391433) |

## 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


### AbsolutSweat

[App page](https://appshunter.io/ios/app/absolutsweat/id6443573387)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLOWBIO free?

FLOWBIO is free to download, with no in-app purchases.

### Is AbsolutSweat free?

AbsolutSweat is free to download, with no in-app purchases.

### Do FLOWBIO or AbsolutSweat have ads?

Neither FLOWBIO nor AbsolutSweat shows ads.

### Which is updated more often, FLOWBIO or AbsolutSweat?

FLOWBIO ships an update fortnightly, and AbsolutSweat fortnightly. Most recently, FLOWBIO was updated on September 18, 2026 and AbsolutSweat on September 20, 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.*