# VapourFlow vs FraNet

The clearest difference is iOS requirement: VapourFlow at 9.0 against FraNet's 12.2. 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.

VapourFlow ships an update every 27 months, FraNet every 32 months. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | VapourFlow | FraNet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 27 months** | Every 32 months |
| Monetization | Free | — |
| Size | 8 MB | 31 MB |
| Requires iOS | **9.0** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [VapourFlow](https://appshunter.io/developer/1299099350) | [FRAPOL Sp. z o.o.](https://appshunter.io/developer/1558995199) |

## What reviewers say

### VapourFlow

[App page](https://appshunter.io/ios/app/vapourflow/id1299099351)

This app controls a smart extractor vent designed to prevent smoke from spreading through ventilation systems. It detects smoke, measures heat and humidity, and can seal ventilation ports to compartmentalize dwellings during a fire.

**Highlights:** Smoke detection, Heat and humidity measurement, Ventilation port sealing, Intumescent disc sealing, Compartmentalization

**Features:** macOS Compatibility

**In-app purchases:** none


### FraNet

[App page](https://appshunter.io/ios/app/franet/id1558995197)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VapourFlow free?

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

### Is FraNet free?

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

### Do VapourFlow or FraNet have ads?

Neither VapourFlow nor FraNet shows ads.

### Which is updated more often, VapourFlow or FraNet?

VapourFlow ships an update every 27 months, and FraNet every 32 months. Most recently, VapourFlow was updated on November 4, 2026 and FraNet on October 25, 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.*