# HEAT3D Pro vs ACIN VentiFlow

The clearest difference is price: ACIN VentiFlow at Free against HEAT3D Pro's $690.00. ACIN VentiFlow also leads on iOS requirement (13.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

ACIN VentiFlow is free to download; HEAT3D Pro costs $690.00 up front. Neither carries in-app purchases, so what you see is what you pay.

HEAT3D Pro ships an update every 4 months, ACIN VentiFlow every 2 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | HEAT3D Pro | ACIN VentiFlow |
| --- | --- | --- |
| Price | $690.00 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 125 MB | 14 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electric Pocket](https://appshunter.io/developer/324114799) | [7Lab](https://appshunter.io/developer/868707119) |

## What reviewers say

### HEAT3D Pro

[App page](https://appshunter.io/ios/app/heat3d-pro/id1362512281)

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

**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 HEAT3D Pro free?

HEAT3D Pro costs $690.00, with no in-app purchases.

### Is ACIN VentiFlow free?

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

### Do HEAT3D Pro or ACIN VentiFlow have ads?

Neither HEAT3D Pro nor ACIN VentiFlow shows ads.

### Which is updated more often, HEAT3D Pro or ACIN VentiFlow?

HEAT3D Pro ships an update every 4 months, and ACIN VentiFlow every 2 months. Most recently, HEAT3D Pro was updated on November 2, 2026 and ACIN VentiFlow on November 7, 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.*