# PlanetCrystals Inc vs Drill Kingdom

The clearest difference is in-app purchases: PlanetCrystals Inc at none against Drill Kingdom's 7. PlanetCrystals Inc also leads on ads (none vs shown) and update cadence (weekly vs every 4 weeks). On price and device support there is nothing between them.

Both are free to download. Drill Kingdom sells 7 one-off in-app purchases. PlanetCrystals Inc asks for nothing beyond the download.

PlanetCrystals Inc ships an update weekly, Drill Kingdom every 4 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PlanetCrystals Inc | Drill Kingdom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drill-kingdom/id6762378748/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 121 MB | 60 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Shevtsov](https://appshunter.io/developer/1125503506) | [Grzegorz Tarnopolski](https://appshunter.io/developer/1893993181) |

## What reviewers say

### PlanetCrystals Inc

[App page](https://appshunter.io/ios/app/planetcrystals-inc/id6465685972)

**Features:** macOS Compatibility

**In-app purchases:** none


### Drill Kingdom

[App page](https://appshunter.io/ios/app/drill-kingdom/id6762378748)

An idle mining tycoon game where you dig deep, build a drill army, and upgrade your machines. Discover unique biomes, unlock powerful drills, and prestige for permanent upgrades to build your passive income empire. Play offline and sync progress across devices.

**Highlights:** 20 unique drills with synergy bonuses, Deep upgrade system for drills, 50 biomes and 9 corruption cycles, 15 passive income buildings, Deep prestige system for permanent upgrades, Offline play and cross-device sync

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of gems | $0.99 | one-time |
| Pouch of gems | $2.99 | one-time |
| Start Pack | $2.99 | one-time |
| Bag of Gems | $4.99 | one-time |
| Chest of Gems | $9.99 | one-time |
| Vault of Gems | $19.99 | one-time |
| Motherlode of Gems | $49.99 | one-time |


## Frequently asked questions

### Is PlanetCrystals Inc free?

PlanetCrystals Inc is free to download, with no in-app purchases.

### Is Drill Kingdom free?

Drill Kingdom is free to download, with in-app purchases available.

### Do PlanetCrystals Inc or Drill Kingdom have ads?

Drill Kingdom shows ads; PlanetCrystals Inc does not.

### Which is updated more often, PlanetCrystals Inc or Drill Kingdom?

PlanetCrystals Inc ships an update weekly, and Drill Kingdom every 4 weeks. Most recently, PlanetCrystals Inc was updated on October 30, 2026 and Drill Kingdom on October 25, 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.*