Comparison

PlanetCrystals Inc vs Drill Kingdom

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

PlanetCrystals Inc

Features
Read full description

Embark on an exciting journey through the cosmic expanses and help the aliens mine enough crystals on each planet to build a rocket! Players will have the opportunity to send friends from other planets on thrilling space adventures, collecting parts for the rocket and assisting the aliens in reaching their homes. Functions: Mine Crystals: Click on the planet to help your new friends. Upgrades: Improve your devices to gather resources for the rocket. Space Adventures: Send your rocket on expeditions to other planets and explore new worlds.

About

Drill Kingdom

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
Read full description

Dig deep. Build your drill army. Prestige your way to infinity. Drill Kingdom is an idle mining tycoon game where your drills never stop working. Upgrade your mining machines, discover 50 unique biomes, and push deeper through the corrupted depths of the earth. FEATURES * 20 Unique Drills From the humble Rusty Pickaxe to the reality-bending Infinity Engine — each drill brings its own power and synergy bonuses. * Deep Upgrade System Level drills up to 100, unlock milestone power spikes every 20 levels, and earn synergy bonuses that reshape your build. * 50 Biomes + 9 Corruption Cycles Travel through topsoil, crystal caverns, frozen depths, and beyond. At 5000m and deeper, reality starts to bend. * 15 Buildings Mine carts, smelters, gem polishers, and cosmic refineries — build your passive income empire. * Earn Gems, Buy Permanent Upgrades Diamond Pickaxe, Time Warp, Iron Grip, and more — make every run stronger. * Deep Prestige System Reset your run for permanent tokens and rare Star Dust. Each prestige makes you stronger forever. * Daily Rewards & Achievements 66 achievements to unlock, 7-day reward cycles, and weekly gem bonuses. * Play Offline, Sync Anywhere Your drills keep working even when the app is closed. Sign in with Apple or Google to sync progress across devices. No forced ads. No pay-to-win. Every purchase is optional. Start your mining empire today!

Screenshots

PlanetCrystals Inc4 screens
Drill Kingdom4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard4 real differences · 5 level
PlanetCrystals Inc versus Drill Kingdom: the parameters behind the verdict, then further details
ParameterPlanetCrystals IncDrill Kingdom
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 4 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size121 MB60 MB
Age rating4+4+
DeveloperRuslan ShevtsovGrzegorz Tarnopolski

In-app purchases

None

PlanetCrystals Inc

No in-app purchases

7 purchases

Drill Kingdom

One-time7
  • Handful of gems$0.99
  • Pouch of gems$2.99
  • Start Pack$2.99
Show 4 more
  • Bag of Gems$4.99
  • Chest of Gems$9.99
  • Vault of Gems$19.99
  • Motherlode of Gems$49.99

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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