# Ground Digger! vs Idle Orbital Marble

The clearest difference is review sentiment: Idle Orbital Marble at 75% against Ground Digger!'s 41%. Idle Orbital Marble also leads on rating (4.8 vs 4.4). Ground Digger!'s advantage is update cadence (every 10 days vs every 3 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Ground Digger! sells 16 one-off in-app purchases and Idle Orbital Marble sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Idle Orbital Marble holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 7.1K and 11K respectively. Written reviews point the same way: 41% of Ground Digger!'s written reviews are positive against 75% of Idle Orbital Marble's.

Ground Digger! ships an update every 10 days, Idle Orbital Marble every 3 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Ground Digger! | Idle Orbital Marble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7.1K ratings)](https://appshunter.io/ios/app/ground-digger/id1597728243/reviews) | **[4.8 (11K ratings)](https://appshunter.io/ios/app/idle-orbital-marble/id6451092220/reviews)** |
| Number of ratings | 7.1K | **11K** |
| Positive reviews | 41.2% of reviews | **75.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 219 MB | 159 MB |
| Requires iOS | 12.5 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HOMA GAMES](https://appshunter.io/developer/1508492426) | [Solid Games](https://appshunter.io/developer/1625798412) |

## What reviewers say

### Ground Digger!

[App page](https://appshunter.io/ios/app/ground-digger/id1597728243)

Become a treasure hunter and dig deep into the earth with your drilling machine. Collect gems, find hidden keys, and unlock powerful boosters to progress faster. Upgrade your equipment and explore various biomes to reach the Center of the Earth.

**Highlights:** Build and upgrade drilling machines, Collect gems and treasures, Find hidden keys to unlock secret zones, Unlock powerful boosters, Customize machines with skins and mini-bots, Explore sand, ice, and lava biomes

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Companion Limit | $1.99 | one-time |
| Double Fuel | $1.99 | one-time |
| No Ads | $2.99 | one-time |
| Small Chest | $2.99 | one-time |
| Size Upgrade 1 | $2.99 | one-time |
| Size Upgrade 3 | $2.99 | one-time |
| Size Upgrade 2 | $2.99 | one-time |
| Large Chest | $3.99 | one-time |
| Destroyer Skin Bundle | $3.99 | one-time |
| Digger Skin Starter Pack | $3.99 | one-time |
| Golden Skin Bundle | $3.99 | one-time |
| Extra Starter Bundle | $3.99 | one-time |
| Small Starter Bundle | $4.99 | one-time |
| Golden Skin Bundle | $7.99 | one-time |
| Small Starter Bundle | $9.99 | one-time |
| Extra Starter Bundle | $15.99 | one-time |

**What reviewers like**

- 👍 Fun and entertaining
- 🚀 Addictive gameplay
- 💡 Great concept

**What reviewers complain about**

- 🔍 Repetitive gameplay
- 🔋 Drains battery quickly
- 🔒 Lack of privacy controls
- 🐛 Frequent crashes and bugs

**Reported bugs**

- Progress reset without warning
- Inability to progress past certain levels
- Drill size and power upgrades not working as expected

**Requested features**

- More upgrades and customization options
- Ability to reset progress and start over
- Improved mini-bot functionality
- Reduced ad frequency or ad-free option


### Idle Orbital Marble

[App page](https://appshunter.io/ios/app/idle-orbital-marble/id6451092220)

Engage in a relaxing puzzle game with realistic physics. Merge identical marbles to unlock new paths and overcome various challenges. Enjoy stunning 3D graphics and animations as you progress through different levels.

**Highlights:** Realistic physics effects, Marble merging mechanic, Unlockable routes, Multiple challenges, 3D graphics and animations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads Lite | $2.99 | one-time |
| No Ads Plus | $4.99 | one-time |

**What reviewers like**

- 👍 Fun and relaxing game
- 🎮 Satisfying marble mechanics
- 💸 Decent monetization (not too many ads)

**What reviewers complain about**

- 🔍 Repetitive levels/maps
- 🔋 Too many ads interrupting gameplay
- 🐛 Bugs and glitches (e.g., marbles getting stuck)

**Reported bugs**

- Marbles getting stuck on certain obstacles
- Inconsistent ad placements

**Requested features**

- More diverse levels and maps
- Ability to customize/build own tracks
- Offline play without ads


## Frequently asked questions

### Is Ground Digger! free?

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

### Is Idle Orbital Marble free?

Idle Orbital Marble is free to download, with in-app purchases available.

### Which has better reviews, Ground Digger! or Idle Orbital Marble?

Idle Orbital Marble is rated higher. Ground Digger! averages 4.4 out of 5 from 7.1K ratings, while Idle Orbital Marble averages 4.8 from 11K ratings.

### Do Ground Digger! or Idle Orbital Marble have ads?

Both Ground Digger! and Idle Orbital Marble show ads.

### Which is updated more often, Ground Digger! or Idle Orbital Marble?

Ground Digger! ships an update every 10 days, and Idle Orbital Marble every 3 months. Most recently, Ground Digger! was updated on October 31, 2026 and Idle Orbital Marble on November 1, 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.*