# FLOWBIO vs Pack Performance 2.0

The clearest difference is update cadence: FLOWBIO at fortnightly against Pack Performance 2.0's every 3 months. Pack Performance 2.0's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support 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, Pack Performance 2.0 every 3 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | FLOWBIO | Pack Performance 2.0 |
| --- | --- | --- |
| 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 3 months |
| Monetization | Free | — |
| Size | 37 MB | 35 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [FLOWBIO LTD](https://appshunter.io/developer/1607898930) | [Pack Performance Ltd](https://appshunter.io/developer/1690014367) |

## 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


### Pack Performance 2.0

[App page](https://appshunter.io/ios/app/pack-performance-20/id6740630226)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FLOWBIO free?

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

### Is Pack Performance 2.0 free?

Pack Performance 2.0 is free to download, with no in-app purchases.

### Do FLOWBIO or Pack Performance 2.0 have ads?

Neither FLOWBIO nor Pack Performance 2.0 shows ads.

### Which is updated more often, FLOWBIO or Pack Performance 2.0?

FLOWBIO ships an update fortnightly, and Pack Performance 2.0 every 3 months. Most recently, FLOWBIO was updated on September 18, 2026 and Pack Performance 2.0 on September 10, 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.*