# HSV Forum vs Internal Combustion Engine ICE

The clearest difference is in-app purchases: HSV Forum at none against Internal Combustion Engine ICE's 1. HSV Forum also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). Internal Combustion Engine ICE's advantage is update cadence (every 2 months vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Internal Combustion Engine ICE sells 1 one-off in-app purchase. HSV Forum asks for nothing beyond the download.

HSV Forum ships an update every 5 months, Internal Combustion Engine ICE every 2 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HSV Forum | Internal Combustion Engine ICE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 180 MB | 29 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Total Web Systems Limited](https://appshunter.io/developer/826563624) | [Sylviory Dubuisson](https://appshunter.io/developer/1584878614) |

## What reviewers say

### HSV Forum

[App page](https://appshunter.io/ios/app/hsv-forum/id1284018698)

**Features:** macOS Compatibility

**In-app purchases:** none


### Internal Combustion Engine ICE

[App page](https://appshunter.io/ios/app/internal-combustion-engine-ice/id1464409462)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is HSV Forum free?

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

### Is Internal Combustion Engine ICE free?

Internal Combustion Engine ICE is free to download, with in-app purchases available.

### Do HSV Forum or Internal Combustion Engine ICE have ads?

Internal Combustion Engine ICE shows ads; HSV Forum does not.

### Which is updated more often, HSV Forum or Internal Combustion Engine ICE?

HSV Forum ships an update every 5 months, and Internal Combustion Engine ICE every 2 months. Most recently, HSV Forum was updated on October 4, 2026 and Internal Combustion Engine ICE on October 6, 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.*