# Tunnel Digger vs Piston Clicker

The clearest difference is review sentiment: Tunnel Digger at 75% against Piston Clicker's 0%. Tunnel Digger also leads on rating (4.8 vs 4.3). On price, ratings volume, update cadence and ads 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 4.3. Both are backed by a comparable volume of ratings — 406 and 430 respectively. Written reviews point the same way: 75% of Tunnel Digger's written reviews are positive against 0% of Piston Clicker's.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 13, 2026 and July 30, 2026 respectively.

## The numbers

| Metric | Tunnel Digger | Piston Clicker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (406 ratings)](https://appshunter.io/ios/app/tunnel-digger/id6444284974/reviews)** | [4.3 (430 ratings)](https://appshunter.io/ios/app/piston-clicker/id6444800075/reviews) |
| Number of ratings | 406 | **430** |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 233 MB | 122 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [7WARE S.R.L.](https://appshunter.io/developer/1080923220) | [ozan akbaba](https://appshunter.io/developer/1322985604) |

## What reviewers say

### 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


### Piston Clicker

[App page](https://appshunter.io/ios/app/piston-clicker/id6444800075)

Build and upgrade a virtual money-making machine. Add pistons, increase production speed, and change piston types to generate different currencies. Sell your output to earn more and experience a satisfying, hypnotic simulation.

**Highlights:** Add and upgrade pistons, Increase production speed, Change piston types for different money, Sell production for profit, Satisfying machine simulation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tunnel Digger free?

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

### Is Piston Clicker free?

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

### Which has better reviews, Tunnel Digger or Piston Clicker?

Tunnel Digger is rated higher. Tunnel Digger averages 4.8 out of 5 from 406 ratings, while Piston Clicker averages 4.3 from 430 ratings.

### Do Tunnel Digger or Piston Clicker have ads?

Neither Tunnel Digger nor Piston Clicker shows ads.

### Which is updated more often, Tunnel Digger or Piston Clicker?

Tunnel Digger ships an update every 2 weeks, and Piston Clicker every 2 weeks. Most recently, Tunnel Digger was updated on September 13, 2026 and Piston Clicker on July 30, 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.*