# Marine Engine ASMR vs Tunnel Digger

The clearest difference is review sentiment: Tunnel Digger at 75% against Marine Engine ASMR's 0%. Tunnel Digger also leads on rating (4.8 vs 4.0) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tunnel Digger holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Tunnel Digger has 410 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 0% of Marine Engine ASMR's written reviews are positive against 75% of Tunnel Digger's.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Marine Engine ASMR | Tunnel Digger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (8 ratings)](https://appshunter.io/ios/app/marine-engine-asmr/id1672280746/reviews) | **[4.8 (410 ratings)](https://appshunter.io/ios/app/tunnel-digger/id6444284974/reviews)** |
| Number of ratings | 8 | **410** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 448 MB | 233 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [GOODROID,Inc.](https://appshunter.io/developer/951688937) | [7WARE S.R.L.](https://appshunter.io/developer/1080923220) |

## What reviewers say

### Marine Engine ASMR

[App page](https://appshunter.io/ios/app/marine-engine-asmr/id1672280746)

Compete in races by upgrading your engines to finish faster than opponents. Earn money to enhance your vehicle and achieve victory. This is a popular clicker game focused on speed and upgrades.

**Highlights:** Engine upgrades, Race to earn money, Faster progression, Competitive gameplay, Clicker mechanics

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

**In-app purchases:** none


### Tunnel Digger

[App page](https://appshunter.io/ios/app/tunnel-digger/id6444284974)

Dig tunnels through mountains to reach the other side. Improve your drilling equipment and vehicle capacity to dig faster and more powerfully. Test your digging skills and see how far you can go.

**Highlights:** Dig tunnels, Upgrade drill, Upgrade truck capacity, Improve digging speed, Improve digging power

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marine Engine ASMR free?

Marine Engine ASMR is free to download, with no in-app purchases.

### Is Tunnel Digger free?

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

### Which has better reviews, Marine Engine ASMR or Tunnel Digger?

Tunnel Digger is rated higher. Marine Engine ASMR averages 4.0 out of 5 from 8 ratings, while Tunnel Digger averages 4.8 from 410 ratings.

### Do Marine Engine ASMR or Tunnel Digger have ads?

Marine Engine ASMR shows ads; Tunnel Digger does not.

### Which is updated more often, Marine Engine ASMR or Tunnel Digger?

Marine Engine ASMR ships an update every 2 weeks, and Tunnel Digger every 2 weeks. Most recently, Marine Engine ASMR was updated on October 13, 2026 and Tunnel Digger on October 24, 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.*