# Flexcon PA vs ACIN VentiFlow

The clearest difference is iOS requirement: ACIN VentiFlow at 13.0 against Flexcon PA's 15.6. 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.

Flexcon PA ships an update every 4 months, ACIN VentiFlow every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Flexcon PA | ACIN VentiFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 33 MB | 14 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flamco Group](https://appshunter.io/developer/631212130) | [7Lab](https://appshunter.io/developer/868707119) |

## What reviewers say

### Flexcon PA

[App page](https://appshunter.io/ios/app/flexcon-pa/id1213321960)

**Features:** macOS Compatibility

**In-app purchases:** none


### ACIN VentiFlow

[App page](https://appshunter.io/ios/app/acin-ventiflow/id1577737062)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flexcon PA free?

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

### Is ACIN VentiFlow free?

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

### Do Flexcon PA or ACIN VentiFlow have ads?

Neither Flexcon PA nor ACIN VentiFlow shows ads.

### Which is updated more often, Flexcon PA or ACIN VentiFlow?

Flexcon PA ships an update every 4 months, and ACIN VentiFlow every 2 months. Most recently, Flexcon PA was updated on October 26, 2026 and ACIN VentiFlow on October 27, 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.*