# FLOWBIO vs FeedZ2

The clearest difference is device support: FeedZ2 at 3 against FLOWBIO's 1. FeedZ2 also leads on iOS requirement (11.0 vs 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.

FLOWBIO ships an update fortnightly, FeedZ2 every 10 days. The most recent releases landed on September 18, 2026 and July 16, 2026 respectively.

## The numbers

| Metric | FLOWBIO | FeedZ2 |
| --- | --- | --- |
| 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 | **Every 10 days** |
| Monetization | Free | — |
| Size | 37 MB | 361 MB |
| Requires iOS | 26.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [FLOWBIO LTD](https://appshunter.io/developer/1607898930) | [Prieto-Bellver SL](https://appshunter.io/developer/1683500184) |

## 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


### FeedZ2

[App page](https://appshunter.io/ios/app/feedz2/id6448104562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FLOWBIO free?

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

### Is FeedZ2 free?

FeedZ2 is free to download, with no in-app purchases.

### Do FLOWBIO or FeedZ2 have ads?

Neither FLOWBIO nor FeedZ2 shows ads.

### Which is updated more often, FLOWBIO or FeedZ2?

FLOWBIO ships an update fortnightly, and FeedZ2 every 10 days. Most recently, FLOWBIO was updated on September 18, 2026 and FeedZ2 on July 16, 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.*