Fish Dept. vs Drill Kingdom
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Fish Dept.
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- One-tap switch between Work Mode and Fish Mode. When the boss alert shows up, hide instantly. - Tap to feedโfish grow and generate coins. - Unlock new fish and tank upgrades in the shop to build your desk aquarium. - Daily login bonus, but if youโre away too long thereโs a small penalty (coins deducted / a fish may leave).
Drill Kingdom
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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 โ 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 โ build your passive income empire. * Earn Gems, Buy Permanent Upgrades Diamond Pickaxe, Time Warp, Iron Grip, and more โ 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
Verdict
The clearest difference is in-app purchases: Fish Dept. at none against Drill Kingdom's 7. Fish Dept. also leads on ads (none vs shown). Drill Kingdom's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Drill Kingdom sells 7 one-off in-app purchases. Fish Dept. asks for nothing beyond the download.
Fish Dept. ships an update every 3 weeks, Drill Kingdom every 4 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | Fish Dept. | Drill Kingdom |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 4 weeks |
| Ads | No โ better | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 27 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Weimeng Gong | Grzegorz Tarnopolski |
In-app purchases
Fish Dept.
No in-app purchases
Drill Kingdom
- Handful of gems$0.99
- Pouch of gems$2.99
- Start Pack$2.99
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- Bag of Gems$4.99
- Chest of Gems$9.99
- Vault of Gems$19.99
- Motherlode of Gems$49.99
Questions
Is Fish Dept. free?
Is Drill Kingdom free?
Do Fish Dept. or Drill Kingdom have ads?
Which is updated more often, Fish Dept. or Drill Kingdom?
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