# Breathe Flow vs SPPPFFy

The clearest difference is in-app purchases: SPPPFFy at none against Breathe Flow's 2. SPPPFFy also leads on update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Breathe Flow sells 2 in-app purchases, starting at $4.49 per month. SPPPFFy asks for nothing beyond the download.

Breathe Flow ships an update every 3 weeks, SPPPFFy weekly. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Breathe Flow | SPPPFFy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/breathe-flow/id1598116167/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 39 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vagus Health Ltd](https://appshunter.io/developer/1502988847) | [A. Vittal Consulting Inc.](https://appshunter.io/developer/6798379594) |

## What reviewers say

### Breathe Flow

[App page](https://appshunter.io/ios/app/breathe-flow/id1598116167)

This app analyzes your breathing and heart rate using smartwatch ECG data to provide insights into your health. It offers guidance on improving breathing, reducing stress, and understanding how lifestyle factors impact your well-being. The app also introduces data ownership through VAGUS tokens.

**Highlights:** 30-second ECG test for breathing analysis, Personalized advice for breathing and stress reduction, Smartwatch data ownership with VAGUS tokens, VAGUS® ideal breathing curve guidance, Analysis of food, drink, and sleep impact on health, HRV & Breathing Sync Analytics subscription

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HRV & Breathing Sync Analytics | $4.49 | per month |
| V-NFT add on | $0.99 | one-time |


### SPPPFFy

[App page](https://appshunter.io/ios/app/spppffy/id6798379592)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Breathe Flow free?

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

### Is SPPPFFy free?

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

### Do Breathe Flow or SPPPFFy have ads?

Neither Breathe Flow nor SPPPFFy shows ads.

### Which is updated more often, Breathe Flow or SPPPFFy?

Breathe Flow ships an update every 3 weeks, and SPPPFFy weekly. Most recently, Breathe Flow was updated on October 20, 2026 and SPPPFFy on October 8, 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.*