# DRVN vs Exhaust Note

The clearest difference is in-app purchases: DRVN at none against Exhaust Note's 1. DRVN also leads on iOS requirement (15.0 vs 18.0). Exhaust Note's advantage is update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Exhaust Note sells 1 one-off in-app purchase. DRVN asks for nothing beyond the download.

DRVN ships an update fortnightly, Exhaust Note every 2 days. The most recent releases landed on October 25, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | DRVN | Exhaust Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (14 ratings)](https://appshunter.io/ios/app/exhaust-note-car-engine-sound/id6797558385/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 93.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 242 MB | 39 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [luis donaldo manuel ruiz](https://appshunter.io/developer/1814701375) | [seihee han](https://appshunter.io/developer/629944907) |

## What reviewers say

### DRVN

[App page](https://appshunter.io/ios/app/drvn/id6774059437)

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

**In-app purchases:** none


### Exhaust Note

[App page](https://appshunter.io/ios/app/exhaust-note-car-engine-sound/id6797558385)

This app synthesizes realistic engine exhaust sounds from scratch, based on the physics of firing orders and cylinder layouts. Explore various engine configurations, adjust muffler settings, and experience dynamic features like pops, bangs, and flames. It also includes a detailed 3D engine animation and driving simulation elements.

**Highlights:** Real-time synthesized exhaust sounds, Adjustable muffler settings, Diverse engine presets, Pop, bang, and flame effects, Living 3D engine animation, Driving feel simulation, Tunnel reverb mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is DRVN free?

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

### Is Exhaust Note free?

Exhaust Note is free to download, with in-app purchases available.

### Do DRVN or Exhaust Note have ads?

Both DRVN and Exhaust Note show ads.

### Which is updated more often, DRVN or Exhaust Note?

DRVN ships an update fortnightly, and Exhaust Note every 2 days. Most recently, DRVN was updated on October 25, 2026 and Exhaust Note on November 2, 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.*