# Digger Machine vs Bubble Struggle 2

The clearest difference is iOS requirement: Digger Machine at 13.0 against Bubble Struggle 2's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Digger Machine sells 9 one-off in-app purchases and Bubble Struggle 2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Digger Machine ships an update every 3 months, Bubble Struggle 2 every 2 months. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Digger Machine | Bubble Struggle 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (336 ratings)](https://appshunter.io/ios/app/digger-machine-dig-minerals/id996857258/reviews)** | — |
| Number of ratings | **336** | — |
| Positive reviews | 79.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 104 MB | 37 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dariusz Mazur](https://appshunter.io/developer/829907063) | [One up games](https://appshunter.io/developer/1595343462) |

## What reviewers say

### Digger Machine

[App page](https://appshunter.io/ios/app/digger-machine-dig-minerals/id996857258)

Embark on an arcade adventure to unearth valuable minerals like gold and diamonds. Upgrade your digging machine, build bases, and navigate treacherous mines filled with traps and bosses. Collect and sell 50 types of minerals to enhance your equipment and become the ultimate miner.

**Highlights:** Dig for 50 types of minerals, Upgrade digging machine, Build bases, Navigate 3 underground mines, Complete missions, Use 6 special actions

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Diamond Pack | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Diamond Pack | $2.99 | one-time |
| Time limited custom pack | $2.99 | one-time |
| Good and valuable starter pack | $3.99 | one-time |
| Big Diamond Pack | $5.99 | one-time |
| 50% off - Best available sale! | $6.99 | one-time |
| Golden Diamond Pack | $11.99 | one-time |
| Mega Diamond Pack | $13.99 | one-time |

**What reviewers like**

- 🎮 Highly addictive and engaging gameplay
- 👍 Faithful recreation of classic Motherload game
- 📱 Works well on mobile devices
- ⏱️ Great time-killer/casual entertainment
- 💰 Reasonable monetization with minimal ads

**What reviewers complain about**

- 💰 Pay-to-win mechanics after initial hours
- 🐛 Frequent crashes and glitches
- 💾 Progress deletion on death or app closure
- 📺 Ad-related issues (black screens, fake X buttons)
- ⚠️ Game-breaking gem loss bug

**Reported bugs**

- Game crashes when typing feedback
- Progress deleted on death despite save system
- Black screen after watching ads for revival
- Gems consumed without unlocking base
- Player stuck in rocks with no escape

**Requested features**

- Character customization options
- Ability to dig upward
- More levels/content
- Map feature
- Confirmation dialog for restart button


### Bubble Struggle 2

[App page](https://appshunter.io/ios/app/bubble-struggle-2/id1643027061)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $4.99 | one-time |


## Frequently asked questions

### Is Digger Machine free?

Digger Machine is free to download, with in-app purchases available.

### Is Bubble Struggle 2 free?

Bubble Struggle 2 is free to download, with in-app purchases available.

### Do Digger Machine or Bubble Struggle 2 have ads?

Both Digger Machine and Bubble Struggle 2 show ads.

### Which is updated more often, Digger Machine or Bubble Struggle 2?

Digger Machine ships an update every 3 months, and Bubble Struggle 2 every 2 months. Most recently, Digger Machine was updated on September 30, 2026 and Bubble Struggle 2 on October 8, 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.*