# FLOWBIO vs Airofit

The clearest difference is review sentiment: Airofit at 43% against FLOWBIO's 0%. Airofit also leads on rating (4.6 vs 3.0) and ratings volume (20 vs 2). FLOWBIO's advantage is in-app purchases (none vs 3). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Airofit sells 3 in-app purchases, starting at $11.99 per month. FLOWBIO asks for nothing beyond the download.

Airofit holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Airofit has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of FLOWBIO's written reviews are positive against 43% of Airofit's.

FLOWBIO ships an update fortnightly, Airofit weekly. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | FLOWBIO | Airofit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/flowbio/id1614407048/reviews) | **[4.6 (20 ratings)](https://appshunter.io/ios/app/airofit/id6754009160/reviews)** |
| Number of ratings | 2 | **20** |
| Positive reviews | 0.0% of reviews | **42.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Size | 37 MB | 111 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [FLOWBIO LTD](https://appshunter.io/developer/1607898930) | [Airofit A/S](https://appshunter.io/developer/1269490789) |

## 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


### Airofit

[App page](https://appshunter.io/ios/app/airofit/id6754009160)

This app pairs with a breathing trainer to measure lung capacity and provide customized training programs. Track progress, improve physical performance, and receive guided exercises for better breathing. It offers offline mode and posture feedback.

**Highlights:** Informative lung tests, Targeted training programs, Challenging exercises with guidance, Activity tracking and progress review, Personalized customization and reminders, Offline mode, Positional sensor for technique feedback

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Elite Premium Monthly | $11.99 | per month |
| Elite Premium 6 Months | $59.99 | per 6 months |
| Elite Premium 12 Months | $99.99 | per year |


## Frequently asked questions

### Is FLOWBIO free?

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

### Is Airofit free?

Airofit is free to download, with in-app purchases available.

### Which has better reviews, FLOWBIO or Airofit?

Airofit is rated higher. FLOWBIO averages 3.0 out of 5 from 2 ratings, while Airofit averages 4.6 from 20 ratings.

### Do FLOWBIO or Airofit have ads?

Neither FLOWBIO nor Airofit shows ads.

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

FLOWBIO ships an update fortnightly, and Airofit weekly. Most recently, FLOWBIO was updated on October 5, 2026 and Airofit on October 15, 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.*