# ATV Mountain Race vs Engine Pistons ASMR

The clearest difference is rating: Engine Pistons ASMR at 4.6 against ATV Mountain Race's 3.0. Engine Pistons ASMR also leads on ratings volume (1.9K vs 2). ATV Mountain Race's advantage is review sentiment (50% vs 15%) and in-app purchases (none vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Engine Pistons ASMR sells 3 one-off in-app purchases. ATV Mountain Race asks for nothing beyond the download.

Engine Pistons ASMR holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Engine Pistons ASMR has 1.9K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 50% of ATV Mountain Race's written reviews are positive against 15% of Engine Pistons ASMR's, so the app with the better star average is not the one people write more warmly about.

ATV Mountain Race ships an update every 3 days, Engine Pistons ASMR weekly. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ATV Mountain Race | Engine Pistons ASMR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/atv-mountain-race/id1551905755/reviews) | **[4.6 (1.9K ratings)](https://appshunter.io/ios/app/engine-pistons-asmr/id1660464064/reviews)** |
| Number of ratings | 2 | **1.9K** |
| Positive reviews | **50.0% of reviews** | 14.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 312 MB | 517 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [文智 吴](https://appshunter.io/developer/1515206541) | [Rollic Games](https://appshunter.io/developer/1452111779) |

## What reviewers say

### ATV Mountain Race

[App page](https://appshunter.io/ios/app/atv-mountain-race/id1551905755)

Experience thrilling ATV races on challenging mountain roads. Compete against other players, perform daring jumps, and engage in exciting clashes. Enjoy the adrenaline of off-road racing.

**Highlights:** ATV racing competition, Multiplayer racing, Rugged mountain roads, Leaping and clashing, Off-road driving simulator

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

**In-app purchases:** none


### Engine Pistons ASMR

[App page](https://appshunter.io/ios/app/engine-pistons-asmr/id1660464064)

Merge engine pistons to earn money and upgrade your car. Experience the satisfying ASMR of engine sounds while competing in races. Unlock diamond, gold, silver, and bronze pistons for maximum speed and profit.

**Highlights:** Merge engine pistons, Earn in-game money, Upgrade car and pistons, ASMR engine sounds, Race to win, Unlock piston tiers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads 1 | $2.99 | one-time |
| No Ads 2 | $3.99 | one-time |
| No Ads 3 | $4.99 | one-time |

**What reviewers like**

- 👍 Good game concept
- 😍 Satisfying engine piston animation
- 🚀 Quick progression

**What reviewers complain about**

- 🔍 Too many ads and pop-ups
- 🔥 Overheating issues
- 🐛 Glitches and crashes
- 🔋 High battery consumption

**Reported bugs**

- Cars getting stuck or invisible
- Inability to progress past certain levels
- Inconsistent engine sound and animation

**Requested features**

- Remove ads or add paid ad-free option
- Improve performance and stability
- Add more gameplay depth and content


## Frequently asked questions

### Is ATV Mountain Race free?

ATV Mountain Race is free to download, with no in-app purchases.

### Is Engine Pistons ASMR free?

Engine Pistons ASMR is free to download, with in-app purchases available.

### Which has better reviews, ATV Mountain Race or Engine Pistons ASMR?

Engine Pistons ASMR is rated higher. ATV Mountain Race averages 3.0 out of 5 from 2 ratings, while Engine Pistons ASMR averages 4.6 from 1.9K ratings.

### Do ATV Mountain Race or Engine Pistons ASMR have ads?

Both ATV Mountain Race and Engine Pistons ASMR show ads.

### Which is updated more often, ATV Mountain Race or Engine Pistons ASMR?

ATV Mountain Race ships an update every 3 days, and Engine Pistons ASMR weekly. Most recently, ATV Mountain Race was updated on October 13, 2026 and Engine Pistons ASMR on October 20, 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.*